{"title":"Mustang","description":"","products":[{"product_id":"arh-1-58-x-3-classic-headers-64-68-mustang-mt-64158300hr","title":"ARH 1 5\/8\" x 3\" Classic Headers (64-68 Mustang) MT-64158300HR","description":"\u003cp\u003eARH's new line of high quality headers for 64-68 Mustangs with 289\/302 engines have you covered up to 500hp NA and far more with a supercharger. Tell us what you’re building and we’ll help you select the best setup for your Mustang! \u003cstrong\u003eNote: ALL American Racing Headers Exhaust Systems are for OFF-ROAD use only.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits: \u003c\/strong\u003e\u003c\/p\u003e\u003col\u003e\n\u003cli type=\"disc\"\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e \u003c\/p\u003e\u003cdiv class=\"product_desc\"\u003e\u003cp\u003e\u003cem\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755809636445,"sku":"arh-mt-64158300hr","price":1755.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/Screen_Shot_2019-10-01_at_3.16.54_PM__56561.1569957609.png?v=1761880803"},{"product_id":"arh-1-34-x-3-classic-headers-64-68-mustang-mt-64134300hr","title":"ARH 1 3\/4\" x 3\" Classic Headers (64-68 Mustang) MT-64134300HR","description":"\u003cp\u003eARH's new line of high quality headers for 64-68 Mustangs with 289\/302 engines have you covered up to 500hp NA and far more with a supercharger. Tell us what you’re building and we’ll help you select the best setup for your Mustang! \u003cstrong\u003eNote: ALL American Racing Headers Exhaust Systems are for OFF-ROAD use only.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits: \u003c\/strong\u003e\u003c\/p\u003e\u003col\u003e\n\u003cli type=\"disc\"\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e \u003c\/p\u003e\u003cdiv class=\"product_desc\"\u003e \u003cp\u003e\u003cem\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755809701981,"sku":"arh-mt-64134300hr","price":1821.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/Screen_Shot_2019-10-01_at_3.16.54_PM__19387.1569957493.png?v=1761880806"},{"product_id":"arh-1-58-x-2-12-classic-headers-64-68-mustang-mt-64158212hr","title":"ARH 1 5\/8\" x 2 1\/2\" Classic Headers (64-68 Mustang) MT-64158212HR","description":"\u003cp\u003eARH's new line of high quality headers for 64-68 Mustangs with 289\/302 engines have you covered up to 500hp NA and far more with a supercharger. Tell us what you’re building and we’ll help you select the best setup for your Mustang! \u003cstrong\u003eNote: ALL American Racing Headers Exhaust Systems are for OFF-ROAD use only.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits: \u003c\/strong\u003e\u003c\/p\u003e \u003col\u003e \u003cli type=\"disc\"\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e \u003cli type=\"disc\"\u003eMade entirely of 304 stainless steel\u003c\/li\u003e \u003cli type=\"disc\"\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e \u003cli type=\"disc\"\u003eHand-ported TIG welded inlets\u003c\/li\u003e \u003cli type=\"disc\"\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e \u003cli type=\"disc\"\u003eMerge collectors with scavenger spikes\u003c\/li\u003e \u003c\/ol\u003e \u003cp\u003e \u003c\/p\u003e \u003cdiv class=\"product_desc\"\u003e \u003cp\u003e\u003cem\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/em\u003e\u003c\/p\u003e \u003c\/div\u003e \u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755809767517,"sku":"arh-mt-64158212hr","price":1755.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/Screen_Shot_2019-10-01_at_3.16.54_PM__30554.1569957552.png?v=1761880806"},{"product_id":"arh-1-58-x-2-12-header-1979-1993-fox-body-mustang-msfx-79158212hr","title":"ARH 1-5\/8\" x 2-1\/2\" Header (1979-1993 Fox Body Mustang) MSFX-79158212HR","description":"\u003ch1\u003e1979-1993 Fox Body Mustang - Header 1-5\/8\" x 2-1\/2\"\u003c\/h1\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755809833053,"sku":"arh-msfx-79158212hr","price":1583.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-5-8-x-2-1-2-header-1979-1993-fox-body-mustang-4__03068.1556331054.gif?v=1761880807"},{"product_id":"arh-1-34-x-2-12-classic-headers-64-68-mustang-mt-64134212hr","title":"ARH 1 3\/4\" x 2 1\/2\" Classic Headers (64-68 Mustang) MT-64134212HR","description":"\u003cp\u003eARH's new line of high quality headers for 64-68 Mustangs with 289\/302 engines have you covered up to 500hp NA and far more with a supercharger. Tell us what you’re building and we’ll help you select the best setup for your Mustang! \u003cstrong\u003eNote: ALL American Racing Headers Exhaust Systems are for OFF-ROAD use only.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits: \u003c\/strong\u003e\u003c\/p\u003e \u003col\u003e \u003cli type=\"disc\"\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e \u003cli type=\"disc\"\u003eMade entirely of 304 stainless steel\u003c\/li\u003e \u003cli type=\"disc\"\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e \u003cli type=\"disc\"\u003eHand-ported TIG welded inlets\u003c\/li\u003e \u003cli type=\"disc\"\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e \u003cli type=\"disc\"\u003eMerge collectors with scavenger spikes\u003c\/li\u003e \u003c\/ol\u003e \u003cp\u003e \u003c\/p\u003e \u003cdiv class=\"product_desc\"\u003e \u003cp\u003e\u003cem\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/em\u003e\u003c\/p\u003e \u003c\/div\u003e \u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755809898589,"sku":"arh-mt-64134212hr","price":1821.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/Screen_Shot_2019-10-01_at_3.16.54_PM__72406.1569957439.png?v=1761880809"},{"product_id":"arh-1-34-x-3-fox-body-351-windsor-headers-79-93-mustang-fxws-79134300hr","title":"ARH 1 3\/4\" x 3\" Fox Body 351 Windsor Headers (79-93 Mustang) FXWS-79134300HR","description":"\u003cp\u003eIf your looking to for increase performance, great sound and that American-Made quality you can trust, look no further than the American Racing Headers for your Fox Body 351 Windsor Swap Headers. Featuring mandrel bent stainless primaries, an ARH Header System will deliver the exhaust sound and power to match the aggressive look of your mustang. \u003cstrong\u003eNote:\u003c\/strong\u003e\u003cstrong\u003eALL American Racing Headers Exhaust Systems are for OFF-ROAD use only.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\u003col\u003e\n\u003cli type=\"disc\"\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli type=\"disc\"\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli type=\"disc\"\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e \u003c\/p\u003e\u003cdiv class=\"product_desc\"\u003e\u003cp\u003e\u003cem\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e\u003c!-- snippet location product_description --\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755810029661,"sku":"arh-fxws-79134300hr","price":1649.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/Screen_Shot_2019-09-25_at_11.24.14_AM__66136.1569425098.png?v=1761880812"},{"product_id":"arh-1-34-x-3-header-1979-1993-fox-body-mustang-msfx-79134300hr","title":"ARH 1-3\/4\" x 3\" Header (1979-1993 Fox Body Mustang) MSFX-79134300HR","description":"\u003cp\u003e1979-1993 Fox Body Mustang - Header 1-3\/4\" x 3\"\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755809996893,"sku":"arh-msfx-79134300hr","price":1649.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-3-4-x-3-header-1979-1993-fox-body-mustang-4__82891.1556331049.gif?v=1761880812"},{"product_id":"arh-long-system-headers-1-34-off-road-for-maximum-motorsports-k-member-1979-1993-foxbody-coyote-swap-fxcym-79134300lsnc","title":"ARH Long System Headers 1-3\/4\" Off Road for Maximum Motorsports K-Member (1979 - 1993 Foxbody \/ Coyote Swap) FXCYM-79134300LSNC","description":"\u003cp\u003eThe Fox\/Coyote swap combines the look of Ford's third generation Mustang platform with the power and performance of the 5.0L Coyote engine found in later models. 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Our 1-3\/4\" x 3\" headers are hand-welded with 304 stainless steel steal construction throughout.\u003c\/p\u003e\u003cp\u003eThis system does not fit vehicles with automatic transmissions\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755810127965,"sku":"arh-fxcym-79134300lsnc","price":2583.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-fxcym-79134300lsnc-3__20168.1740678401.jpg?v=1761880815"},{"product_id":"arh-long-system-headers-1-78-off-road-for-maximum-motorsports-k-member-1979-1993-foxbody-coyote-swap-fxcym-79178300lsnc","title":"ARH Long System Headers 1-7\/8\" Off Road for Maximum Motorsports K-Member (1979 - 1993 Foxbody \/ Coyote Swap) FXCYM-79178300LSNC","description":"\u003cp\u003eThe Fox\/Coyote swap combines the look of Ford's third generation Mustang platform with the power and performance of the 5.0L Coyote engine found in later models. 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Our 1-3\/4\" x 3\" headers are hand-welded with 304 stainless steel steal construction throughout.\u003c\/p\u003e\u003cp\u003eThis system does not fit vehicles with automatic transmissions\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAll ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755810160733,"sku":"arh-fxcym-79178300lsnc","price":2643.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/Screen_Shot_2019-09-24_at_3.41.15_PM__12149.1740678474.png?v=1761880815"},{"product_id":"arh-headers-1-34-coyote-swap-79-93-mustang-fxcy-79134300r","title":"ARH Headers 1-3\/4\" Coyote Swap (79-93 Mustang) FXCY-79134300R","description":"\u003cp\u003eAmerican Racing Headers now offer a 1-3\/4\" long tube for the 5.0 Coyote Swap in a 1979-93 Fox Body Mustang. 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Our 1-3\/4\" x 3\" headers are hand-welded with 304 stainless steel steal construction throughout.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eProduct features include:\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e100% Made in the USA - Never Outsourced\u003c\/p\u003e\u003cp\u003eMade entirely of 304 stainless steel\u003c\/p\u003e\u003cp\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/p\u003e\u003cp\u003eHand-ported TIG welded inlets\u003c\/p\u003e\u003cp\u003eOptimized primary tube routing for superior fit and performance\u003c\/p\u003e\u003cp\u003eMerge collectors complete with welded scavenger spikes\u003c\/p\u003e\u003cp\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eByePolr Performance is an Authorized Dealer for ARH, call 1-855-827-7223 for info and pricing.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755810226269,"sku":"arh-fxcy-79134300hr","price":1781.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-fxcy-79134300hr-4__25814.1556330497.gif?v=1761880817"},{"product_id":"arh-1-78-header-x-pipe-catted-99-04-mustang-cobra-mt4-99178300lswc","title":"ARH 1-7\/8\" Header \u0026 X-Pipe Catted (99-04 Mustang Cobra) MT4-99178300LSWC","description":"\u003cp\u003e1999-2004 Mustang Cobra 4 Valve Max Effort Applications - Header 1-7\/8\" x 3\", 3\" X-Pipe w\/Cats\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755810324573,"sku":"arh-mt4-99178300lswc","price":2398.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-x-pipe-catted-1999-2004-mustang-cobra-4__93795.1556331159.gif?v=1761880832"},{"product_id":"arh-1-78-header-x-pipe-catted-99-04-mustang-gt-max-effort-mt2-99178300lswc","title":"ARH 1-7\/8\" Header \u0026 X-Pipe Catted (99-04 Mustang GT Max Effort) MT2-99178300LSWC","description":"\u003cdiv\u003e1999-2004 Mustang GT 2 valve - Max Effort Applications - Header 1-7\/8\" x 3\", 3\" X-Pipe w\/Cats\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003eCA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755810422877,"sku":"arh-mt2-99178300lswc","price":2398.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-x-pipe-catted-1999-2004-mustang-gt-max-effort-4__70369.1556331102.gif?v=1761880836"},{"product_id":"arh-1-34-header-x-pipe-catted-99-04-mustang-cobra-mt4-99134300lswc","title":"ARH 1-3\/4\" Header \u0026 X-Pipe Catted (99-04 Mustang Cobra) MT4-99134300LSWC","description":"\u003ch1\u003e1999-2004 Mustang Cobra 4 Valve - Header 1-3\/4\" x 3\", 3\" X-Pipe w\/Cats\u003c\/h1\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755810455645,"sku":"arh-mt4-99134300lswc","price":2304.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-3-4-header-x-pipe-catted-1999-2004-mustang-cobra-4__67437.1556331150.gif?v=1761880836"},{"product_id":"arh-1-34-header-x-pipe-catted-99-04-mustang-gt-high-boost-mt2-99134300lswc","title":"ARH 1-3\/4\" Header \u0026 X-Pipe Catted (99-04 Mustang GT High Boost) MT2-99134300LSWC","description":"\u003cdiv\u003e1999-2004 Mustang GT 2 valve- High Boost Applications - Header 1-3\/4\" x 3\", 3\" X-Pipe w\/Cats\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\n\u003c\/div\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755810652253,"sku":"arh-mt2-99134300lswc","price":2304.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-3-4-header-x-pipe-catted-1999-2004-mustang-gt-high-boost-4__57513.1556331084.gif?v=1761880838"},{"product_id":"arh-1-58-header-x-pipe-catted-99-04-mustang-gt-mt2-99158212lswc","title":"ARH 1-5\/8\" Header \u0026 X-Pipe Catted (99-04 Mustang GT) MT2-99158212LSWC","description":"\u003cdiv\u003e\n\u003cp\u003e1999-2004 Mustang GT 2 valve - Header 1-5\/8\" x 2-1\/2\", 2-1\/2\" X-Pipe w\/Cats\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755810717789,"sku":"arh-mt2-99158212lswc","price":2066.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-5-8-header-x-pipe-catted-1999-2004-mustang-gt-4__96090.1556331093.gif?v=1761880839"},{"product_id":"arh-1-58-header-x-pipe-catted-05-10-mustang-3-valve-mt3-05158212lswc","title":"ARH 1-5\/8\" Header \u0026 X-Pipe Catted (05-10 Mustang 3 Valve) MT3-05158212LSWC","description":"\u003cp\u003e2005-2010 Mustang 3 Valve - Header 1-5\/8\" x 2.5\", 3\" X-pipe w\/Cats\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755811111005,"sku":"arh-mt3-05158212lswc","price":2086.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-5-8-header-x-pipe-catted-2005-2010-mustang-3-valve-10__78784.1556331140.gif?v=1761880853"},{"product_id":"arh-1-34-header-x-pipe-catted-05-10-mustang-3-valve-boosted-mt3-05134300lswc","title":"ARH 1-3\/4\" Header \u0026 X-Pipe Catted (05-10 Mustang 3 Valve Boosted) MT3-05134300LSWC","description":"\u003cp\u003e2005-2010 Mustang 3 Valve Boosted Applications - Header 1-3\/4\" x 3\", 3\" X-pipe w\/Cats\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755811340381,"sku":"arh-mt3-05134300lswc","price":2292.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-3-4-header-x-pipe-catted-2005-2010-mustang-3-valve-boosted-10__42747.1556331122.gif?v=1761880854"},{"product_id":"arh-full-exhaust-system-2-header-off-road-x-pipe-quad-tip-mufflers-2013-2014-shelby-gt500-mtsh5-13200300fsnc","title":"ARH Full Exhaust System 2\" Header Off Road X-Pipe Quad Tip Mufflers (2013 - 2014 Shelby GT500) MTSH5-13200300FSNC","description":"\u003cp\u003eARH rules the roost with GT500 systems up to 2\" and now available as a complete 3\" kit with Pure Thunder mufflers with Quad tips. Your choice of X-Pipe or H-Pipe to tailor the sound to your specific needs also available.\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755811536989,"sku":"arh-mtsh5-13200300fsnc","price":4286.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-full-exhaust-system-2-header-off-road-x-pipe-quad-tip-mufflers-2013-2014-shelby-gt500-4__77620.1740017060.gif?v=1761880881"},{"product_id":"arh-full-exhaust-system-2-header-off-road-h-pipe-quad-tip-mufflers-2013-2014-shelby-gt500-mtsh5-13200300fshnc","title":"ARH Full Exhaust System 2\" Header Off Road H-Pipe Quad Tip Mufflers (2013 - 2014 Shelby GT500) MTSH5-13200300FSHNC","description":"\u003cp\u003eARH rules the roost with GT500 systems up to 2\" and now available as a complete 3\" kit with Pure Thunder mufflers with Quad tips. Your choice of X-Pipe or H-Pipe to tailor the sound to your specific needs also available.\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755811635293,"sku":"arh-mtsh5-13200300fshnc","price":4385.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-full-exhaust-system-2-header-off-road-h-pipe-quad-tip-mufflers-2013-2014-shelby-gt500-4__52510.1740016974.gif?v=1761880884"},{"product_id":"arh-full-exhaust-system-1-78-header-catted-x-pipe-quad-tip-mufflers-13-14-shelby-gt500-mtsh5-13178300fswc","title":"ARH Full Exhaust System 1-7\/8\" Header Catted X-Pipe Quad Tip Mufflers (13-14 Shelby GT500) MTSH5-13178300FSWC","description":"\u003ch2\u003e2013-2014 Shelby Mustang GT500 Full System - Header 1-7\/8\" x 3\", 3\" X-pipe w\/Cats, Connection Pipes, Quad Tip Mufflers\u003c\/h2\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\u003cp\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755811668061,"sku":"arh-mtsh5-13178300fswc","price":4352.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-full-exhaust-system-1-7-8-header-catted-x-pipe-quad-tip-mufflers-2013-2014-shelby-gt500-4__56553.1556331566.gif?v=1761880884"},{"product_id":"arh-full-exhaust-system-1-78-header-off-road-x-pipe-quad-tip-mufflers-2013-2014-shelby-gt500-mtsh5-13178300fsnc","title":"ARH Full Exhaust System 1-7\/8\" Header Off Road X-Pipe Quad Tip Mufflers (2013 - 2014 Shelby GT500) MTSH5-13178300FSNC","description":"\u003cp\u003eARH rules the roost with GT500 systems up to 2\" and now available as a complete 3\" kit with Pure Thunder mufflers with Quad tips. Your choice of X-Pipe or H-Pipe to tailor the sound to your specific needs also available.\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755811733597,"sku":"arh-mtsh5-13178300fsnc","price":4153.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-full-exhaust-system-1-7-8-header-off-road-x-pipe-quad-tip-mufflers-2013-2014-shelby-gt500-4__27504.1740016778.gif?v=1761880886"},{"product_id":"arh-full-exhaust-system-1-78-header-catted-h-pipe-quad-tip-mufflers-13-14-shelby-gt500-mtsh5-13178300fshwc","title":"ARH Full Exhaust System 1-7\/8\" Header Catted H-Pipe Quad Tip Mufflers (13-14 Shelby GT500) MTSH5-13178300FSHWC","description":"\u003ch2\u003e2013-2014 Shelby Mustang GT500 Full System - Header 1-7\/8\" x 3\", 3\" H-pipe w\/Cats, Connection Pipes, Quad Tip Mufflers\u003c\/h2\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\u003cp\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755811799133,"sku":"arh-mtsh5-13178300fshwc","price":4451.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-full-exhaust-system-1-7-8-header-catted-h-pipe-quad-tip-mufflers-2013-2014-shelby-gt500-4__12826.1556331557.gif?v=1761880889"},{"product_id":"arh-full-exhaust-system-1-78-header-off-road-h-pipe-quad-tip-mufflers-2013-2014-shelby-gt500-mtsh5-13178300fshnc","title":"ARH Full Exhaust System 1-7\/8\" Header Off Road H-Pipe Quad Tip Mufflers (2013 - 2014 Shelby GT500) MTSH5-13178300FSHNC","description":"\u003cp\u003eARH rules the roost with GT500 systems up to 2\" and now available as a complete 3\" kit with Pure Thunder mufflers with Quad tips. Your choice of X-Pipe or H-Pipe to tailor the sound to your specific needs also available.\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755811864669,"sku":"arh-mtsh5-13178300fshnc","price":4252.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-full-exhaust-system-1-7-8-header-off-road-h-pipe-quad-tip-mufflers-2013-2014-shelby-gt500-4__97695.1740016871.gif?v=1761880893"},{"product_id":"arh-1-34-header-h-pipe-catted-11-14-shelby-gt500-mtsh5-11134300lshwc","title":"ARH 1-3\/4\" Header \u0026 H-Pipe Catted (11-14 Shelby GT500) MTSH5-11134300LSHWC","description":"\u003cp\u003e2011-2014 Shelby Mustang GT500 - Header 1-3\/4\" x 3\", 3\" H-pipe w\/Cats\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\n\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755811962973,"sku":"arh-mtsh5-11134300lshwc","price":1968.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-3-4-header-h-pipe-catted-2011-2014-shelby-gt500-4__63468.1556331516.jpg?v=1761880896"},{"product_id":"arh-full-exhaust-system-1-34-header-catted-h-pipe-quad-tip-mufflers-13-14-shelby-gt500-mtsh5-13134300fshwc","title":"ARH Full Exhaust System 1-3\/4\" Header Catted H-Pipe Quad Tip Mufflers (13-14 Shelby GT500) MTSH5-13134300FSHWC","description":"\u003cp\u003e2013-2014 Shelby Mustang GT500 Full System - Header 1-3\/4\" x 3\", 3\" H-pipe w\/Cats, Connection Pipes, Quad Tip Mufflers\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755812028509,"sku":"arh-mtsh5-13134300fshwc","price":3671.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-full-exhaust-system-1-3-4-header-catted-h-pipe-quad-tip-mufflers-2013-2014-shelby-gt500-4__50942.1556331537.gif?v=1761880897"},{"product_id":"arh-1-34-header-x-pipe-catted-11-14-shelby-gt500-mtsh5-11134300lswc","title":"ARH 1-3\/4\" Header \u0026 X-Pipe Catted (11-14 Shelby GT500) MTSH5-11134300LSWC","description":"\u003cp\u003e2011-2014 Shelby Mustang GT500 - Header 1-3\/4\" x 3\", 3\" X-pipe w\/Cats\u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003cp\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755812094045,"sku":"arh-mtsh5-11134300lswc","price":1857.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-3-4-header-x-pipe-catted-2011-2014-shelby-gt500-4__97942.1556331527.jpg?v=1761880898"},{"product_id":"arh-axleback-exhaust-system-ss-tips-11-14-gt500mustang-50lmustang-v6-mst-11212axbk","title":"ARH Axleback Exhaust System SS Tips (11-14 GT500\/Mustang 5.0L\/Mustang V6) MST-11212AXBK","description":"\u003cdiv\u003e2011-2014 Mustang 5.0L and Shelby GT500 - Full Axle Back w\/Polished SS Tips\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\n\u003c\/div\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755812159581,"sku":"arh-mst-11212axbk","price":1159.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-axleback-exhaust-system-ss-tips-2011-2014-gt500-mustang-5-0l-mustang-v6-9__97784.1556331063.gif?v=1761880899"},{"product_id":"arh-1-34-header-x-pipe-catted-2007-10-shelby-gt500-mtsh5-07134300lswc","title":"ARH 1-3\/4\" Header \u0026 X-Pipe Catted (2007-10 Shelby GT500) MTSH5-07134300LSWC","description":"\u003cp\u003e2007-2010 Shelby Mustang GT500 - Header 1-3\/4\" x 3\", 3\" X-pipe w\/Cats\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755812257885,"sku":"arh-mtsh5-07134300lswc","price":1980.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-3-4-header-x-pipe-catted-2007-2010-shelby-gt500-4__54940.1556331496.jpg?v=1761880905"},{"product_id":"arh-axleback-exhaust-system-ss-tips-05-2009-gt500mustang-3-valve-mst-05212axbk","title":"ARH Axleback Exhaust System SS Tips (05-2009 GT500\/Mustang 3 Valve) MST-05212AXBK","description":"\u003cp\u003e2005-2009 Mustang 3 Valve and Shelby GT500 - Full Axle Back w\/Polished SS Tips\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755812290653,"sku":"arh-mst-05212axbk","price":1159.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-axleback-exhaust-system-ss-tips-2005-2009-gt500-mustang-3-valve-8__78242.1556331058.gif?v=1761880905"},{"product_id":"arh-2-header-x-pipe-off-road-2011-2014-shelby-gt500-mtsh5-11200300lsnc","title":"ARH 2\" Header \u0026 X-Pipe Off Road (2011 - 2014 Shelby GT500) MTSH5-11200300LSNC","description":"\u003cp\u003eARH rules the roost with GT500 systems up to 2\" and your choice of X-Pipe or H-Pipe to tailor the sound to your specific needs also available.\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939413085,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-2-header-x-pipe-off-road-2011-2014-shelby-gt500-4__25598.1740015601.jpg?v=1761880911"},{"product_id":"arh-2-header-x-pipe-off-road-2007-2010-shelby-gt500-mtsh5-07200300lsnc","title":"ARH 2\" Header \u0026 X-Pipe Off Road (2007 - 2010 Shelby GT500) MTSH5-07200300LSNC","description":"\u003cp\u003eARH rules the roost with GT500 systems up to 2\" and a X-Pipe to give you the muscle car sound and power your Mustang needs.\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939511389,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-2-header-x-pipe-off-road-2007-2010-shelby-gt500-4__47064.1740015949.jpg?v=1761880911"},{"product_id":"arh-1-78-header-x-pipe-off-road-2007-2010-shelby-gt500-mtsh5-07178300lsnc","title":"ARH 1-7\/8\" Header \u0026 X-Pipe Off Road (2007 - 2010 Shelby GT500) MTSH5-07178300LSNC","description":"\u003cp\u003eARH rules the roost with GT500 systems up to 2\" and a X-Pipe to give you the muscle car sound and power your Mustang needs.\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939445853,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-x-pipe-off-road-2007-2010-shelby-gt500-4__74930.1740015864.jpg?v=1761880913"},{"product_id":"arh-1-78-header-x-pipe-catted-11-14-shelby-gt500-mtsh5-11178300lswc","title":"ARH 1-7\/8\" Header \u0026 X-Pipe Catted (11-14 Shelby GT500) MTSH5-11178300LSWC","description":"\u003ch2\u003e2011, 2012, 2013, \u0026amp; 2014 Shelby Mustang GT500 - Header 1-7\/8\" x 3\", 3\" X-pipe w\/Cats\u003c\/h2\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939544157,"sku":"arh-mtsh5-11178300lswc-2","price":2266.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-x-pipe-catted-2011-2014-shelby-gt500-4__36685.1555959288.jpg?v=1761880917"},{"product_id":"arh-2-header-h-pipe-off-road-2011-2014-shelby-gt500-mtsh5-11200300lshnc","title":"ARH 2\" Header \u0026 H-Pipe Off Road (2011 - 2014 Shelby GT500) MTSH5-11200300LSHNC","description":"\u003cp\u003eARH rules the roost with GT500 systems up to 2\" and your choice of X-Pipe or H-Pipe to tailor the sound to your specific needs also available.\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939576925,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-2-header-h-pipe-off-road-2011-2014-shelby-gt500-4__35447.1740015713.jpg?v=1761880916"},{"product_id":"arh-1-78-header-h-pipe-off-road-2011-2014-shelby-gt500-mtsh5-11178300lshnc","title":"ARH 1-7\/8\" Header \u0026 H-Pipe Off Road (2011 - 2014 Shelby GT500) MTSH5-11178300LSHNC","description":"\u003cp\u003eARH rules the roost with GT500 systems up to 2\" and your choice of X-Pipe or H-Pipe to tailor the sound to your specific needs also available.\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939609693,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-h-pipe-off-road-2011-2014-shelby-gt500-4__52867.1740015490.jpg?v=1761880919"},{"product_id":"arh-1-78-header-h-pipe-catted-11-14-shelby-gt500-mtsh5-11178300lshwc","title":"ARH 1-7\/8\" Header \u0026 H-Pipe Catted (11-14 Shelby GT500) MTSH5-11178300LSHWC","description":"\u003cp\u003e2011, 2012, 2013, \u0026amp; 2014 Shelby Mustang GT500 - Header 1-7\/8\" x 3\", 3\" H-pipe w\/Cats\u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/em\u003e\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939675229,"sku":"arh-mtsh5-11178300lshwc-2","price":2366.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-h-pipe-catted-2011-2014-shelby-gt500-4__54999.1555959276.jpg?v=1761880920"},{"product_id":"arh-1-78-header-x-pipe-catted-2007-10-shelby-gt500-mtsh5-07178300lswc","title":"ARH 1-7\/8\" Header \u0026 X-Pipe Catted (2007-10 Shelby GT500) MTSH5-07178300LSWC","description":"\u003ch2\u003e2007, 2008, 2009, \u0026amp; 2010 Shelby Mustang GT500 - Header 1-7\/8\" x 3\", 3\" X-pipe w\/Cats\u003c\/h2\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939707997,"sku":"arh-mtsh5-07178300lswc-2","price":2266.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-x-pipe-catted-2007-2010-shelby-gt500-4__10458.1555959254.jpg?v=1761880938"},{"product_id":"arh-1-78-long-tube-header-h-pipe-catted-11-14-mustang-gt-mtc5-11178300lshwc","title":"ARH 1-7\/8\" Long Tube Header H-Pipe Catted (11-14 Mustang GT) MTC5-11178300LSHWC","description":"\u003ch2\u003eAmerican Racing Headers (ARH) Ford 2011, 2012, 2013, \u0026amp; 2014 Mustang 5.0L - Header 1-7\/8\" x 3\", 3\" H-pipe w\/Cats, 1 pair O2 extension harnesses\u003c\/h2\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cem\u003eFitment:\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003e- \u003c\/em\u003e2011 Ford Mustang GT\u003c\/p\u003e\u003cp\u003e\u003cem\u003e- \u003c\/em\u003e2012 Ford Mustang GT\u003c\/p\u003e\u003cp\u003e\u003cem\u003e- \u003c\/em\u003e2013 Ford Mustang GT\u003c\/p\u003e\u003cp\u003e\u003cem\u003e- \u003c\/em\u003e2014 Ford Mustang GT\u003c\/p\u003e\u003cp\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755813306461,"sku":"arh-mtc5-11178300lshwc","price":2366.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-x-pipe-catted-2011-2014-mustang-5-0l-10__01201.1662329146.gif?v=1761880959"},{"product_id":"arh-1-34-header-h-pipe-catted-11-14-mustang-v6-mt6-11134212lswc","title":"ARH 1-3\/4\" Header \u0026 H-Pipe Catted (11-14 Mustang V6) MT6-11134212LSWC","description":"\u003ch2\u003e2011-2014 Mustang V6 - Header 1-3\/4\" x 2-1\/2\", 2-1\/2\" H-Pipe w\/Cats\u003c\/h2\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755813371997,"sku":"arh-mt6-11134212lswc","price":2106.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-3-4-header-h-pipe-catted-2011-2014-mustang-v6-4__68015.1556331168.jpg?v=1761880960"},{"product_id":"arh-axleback-exhaust-system-ss-tips-11-14-gt500mustang-50lmustang-v6-mst-11212axbk-avui0","title":"ARH Axleback Exhaust System SS Tips (11-14 GT500\/Mustang 5.0L\/Mustang V6) MST-11212AXBK","description":"\u003ch2\u003e2011-2014 Mustang 5.0L and Shelby GT500 - Full Axle Back w\/Polished SS Tips\u003c\/h2\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e\u003ci\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/i\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755813437533,"sku":"arh-mst-11212axbk","price":1159.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-axleback-exhaust-system-ss-tips-2011-2014-gt500-mustang-5-0l-mustang-v6-9__97784.1556331063_24625d4b-8c05-4325-a6e8-006cf2e24e4f.gif?v=1761880961"},{"product_id":"arh-1-34-long-tube-header-x-pipe-catted-11-14-mustang-gt-mtc5-11134300lswc","title":"ARH 1-3\/4\" Long Tube Header X-Pipe Catted (11-14 Mustang GT) MTC5-11134300LSWC","description":"\u003cp\u003eAmerican Racing Headers (ARH) Ford 2011, 2012, 2013, \u0026amp; 2014 Mustang 5.0L - Header 1-3\/4\" x 3\", 3\" X-pipe w\/Cats, 1 pair O2 extension harnesses\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cem\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/em\u003e\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939773533,"sku":"arh-mtc5-11134300lswc-2","price":2232.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-3-4-header-x-pipe-catted-2011-2014-mustang-5-0l-10__78902.1556018351.gif?v=1761880967"},{"product_id":"arh-2-long-tube-header-x-pipe-off-road-2011-2014-mustang-gt-mtc5-11200300lsnc","title":"ARH 2\" Long Tube Header X-Pipe Off Road (2011 - 2014 Mustang GT) MTC5-11200300LSNC","description":"\u003cp\u003eIf your Coyote can use a serious bump in HP and torque and only the finest header systems will do, ARH has exactly what you need. Available with 1-3\/4\", 1-7\/8\" or 2\" primaries, and your choice of our 3\" X-Pipe or 3\" H-Pipe (for a more classic musclecar sound).\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939806301,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-2-header-x-pipe-off-road-2011-2014-mustang-5-0l-10__13113.1740014074.gif?v=1761880967"},{"product_id":"arh-1-78-header-x-pipe-off-road-2011-2014-shelby-gt500-mtsh5-11178300lsnc","title":"ARH 1-7\/8\" Header \u0026 X-Pipe Off Road (2011 - 2014 Shelby GT500) MTSH5-11178300LSNC","description":"\u003cp\u003eARH rules the roost with GT500 systems up to 2\" and your choice of X-Pipe or H-Pipe to tailor the sound to your specific needs also available.\u003c\/p\u003e \u003cp\u003eProduct features on this system includes:\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e \u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939839069,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-x-pipe-off-road-2011-2014-shelby-gt500-4__42004.1740016001.jpg?v=1761880967"},{"product_id":"arh-2-header-x-pipe-off-road-2012-2013-boss-302-mtb5-12200300lsnc","title":"ARH 2\" Header \u0026 X-Pipe Off Road (2012 - 2013 BOSS 302) MTB5-12200300LSNC","description":"\u003cp\u003eThe American Racing Headers Long System for the 2012 to 2013 5.0L Boss Mustang takes this car's amazing road course performance to another level. Our Long System provides substantial performance benefits and allows you to keep the Boss side pipes. Available in 1-3\/4\", 1-7\/8\" and 2\" primaries. Expect 28 RWHP gains before tuning and great sound.\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755813732445,"sku":"ARH-MTB5-12200300LSNC","price":2464.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-2-header-x-pipe-off-road-2012-2013-boss-302-4__17039.1740596441.gif?v=1761880970"},{"product_id":"arh-1-78-header-x-pipe-off-road-2012-2013-boss-302-mtb5-12178300lsnc","title":"ARH 1-7\/8\" Header \u0026 X-Pipe Off Road (2012 - 2013 BOSS 302) MTB5-12178300LSNC","description":"\u003cp\u003eThe American Racing Headers Long System for the 2012 to 2013 5.0L Boss Mustang takes this car's amazing road course performance to another level. Our Long System provides substantial performance benefits and allows you to keep the Boss side pipes. Available in 1-3\/4\", 1-7\/8\" and 2\" primaries. Expect 28 RWHP gains before tuning and great sound.\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755813765213,"sku":"arh-mtb5-12178300lsnc","price":2172.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-x-pipe-off-road-2012-2013-boss-302-4__50605.1740596326.gif?v=1761880970"},{"product_id":"arh-long-system-1-34-header-x-pipe-off-road-2012-2013-boss-302-mtb5-12134300lsnc","title":"ARH Long System 1-3\/4\" Header \u0026 X-Pipe Off Road (2012 - 2013 BOSS 302) MTB5-12134300LSNC","description":"\u003cp\u003eThe American Racing Headers Long System for the 2012 to 2013 5.0L Boss Mustang takes this car's amazing road course performance to another level. Our Long System provides substantial performance benefits and allows you to keep the Boss side pipes. Available in 1-3\/4\", 1-7\/8\" and 2\" primaries. Expect 28 RWHP gains before tuning and great sound.\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":43755813830749,"sku":"arh-mtb5-12134300lsnc","price":2137.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-3-4-header-x-pipe-off-road-2012-2013-boss-302-4__24181.1740596210.gif?v=1761880974"},{"product_id":"arh-1-78-long-tube-header-x-pipe-off-road-2011-2014-mustang-gt-mtc5-11178300lsnc","title":"ARH 1-7\/8\" Long Tube Header X-Pipe Off Road (2011 - 2014 Mustang GT) MTC5-11178300LSNC","description":"\u003cp\u003eIf your Coyote can use a serious bump in HP and torque and only the finest header systems will do, ARH has exactly what you need. Available with 1-3\/4\", 1-7\/8\" or 2\" primaries, and your choice of our 3\" X-Pipe or 3\" H-Pipe (for a more classic musclecar sound).\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939871837,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-x-pipe-off-road-2011-2014-mustang-5-0l-10__53898.1740013830.gif?v=1761880977"},{"product_id":"arh-1-78-long-tube-header-x-pipe-catted-11-14-mustang-gt-mtc5-11178300lswc","title":"ARH 1-7\/8\" Long Tube Header X-Pipe Catted (11-14 Mustang GT) MTC5-11178300LSWC","description":"\u003cp\u003eAmerican Racing Headers (ARH) Ford 2011, 2012, 2013, \u0026amp; 2014 Mustang 5.0L - Header 1-7\/8\" x 3\", 3\" X-pipe w\/Cats, 1 pair O2 extension harnesses\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eUsing first rate quality materials, reinforced with skillful design concepts and backed by outstanding customer service would be the foundation that would transform ARH into a force the world of high performance couldn’t overlook. Within a few short years American Racing Header has become world renowned for offering the highest quality header systems and catbacks in the industry. With all materials and finished products made entirely in the US and a wide range of options for every application, our goal was and continues to be an exercise in unparalleled customer satisfaction.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cem\u003eByePolr Performance is an Authorized Dealer for American Racing Header, \u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939937373,"sku":"arh-mtc5-11178300lswc-2","price":2266.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-x-pipe-catted-2011-2014-mustang-5-0l-10__58346.1555959144.gif?v=1761880977"},{"product_id":"arh-2-long-tube-header-h-pipe-off-road-2011-2014-mustang-gt-mtc5-11200300lshnc","title":"ARH 2\" Long Tube Header H-Pipe Off Road (2011 - 2014 Mustang GT) MTC5-11200300LSHNC","description":"\u003cp\u003eIf your Coyote can use a serious bump in HP and torque and only the finest header systems will do, ARH has exactly what you need. Available with 1-3\/4\", 1-7\/8\" or 2\" primaries, and your choice of our 3\" X-Pipe or 3\" H-Pipe (for a more classic musclecar sound).\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939904605,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-2-header-h-pipe-off-road-2011-2014-mustang-5-0l-9__45029.1740014162.gif?v=1761880980"},{"product_id":"arh-1-78-long-tube-header-h-pipe-off-road-2011-2014-mustang-gt-mtc5-11178300lshnc","title":"ARH 1-7\/8\" Long Tube Header H-Pipe Off Road (2011 - 2014 Mustang GT) MTC5-11178300LSHNC","description":"\u003cp\u003eIf your Coyote can use a serious bump in HP and torque and only the finest header systems will do, ARH has exactly what you need. Available with 1-3\/4\", 1-7\/8\" or 2\" primaries, and your choice of our 3\" X-Pipe or 3\" H-Pipe (for a more classic musclecar sound).\u003c\/p\u003e\u003cp\u003eProduct features on this system includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e100% Made in the USA - Never Outsourced\u003c\/li\u003e\n\u003cli\u003eMade entirely of 304 stainless steel\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick laser-cut flanges for a warp-free seal\u003c\/li\u003e\n\u003cli\u003eHand-ported TIG welded inlets\u003c\/li\u003e\n\u003cli\u003eOptimized primary tube routing for superior fit and performance\u003c\/li\u003e\n\u003cli\u003eMerge collectors with scavenger spikes\u003c\/li\u003e\n\u003cli\u003eCatted systems feature 200 cell metallic substrate catalytic converters for extreme durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAttn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads\/highways and may be subject to fines and\/or criminal liability as per the Clean Air Act.\u003c\/p\u003e\u003cp class=\"pro_warng_msg\"\u003eCA Residents: WARNING: Cancer and Reproductive Harm \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"Default Title","offer_id":44197939970141,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/files\/arh-1-7-8-header-h-pipe-off-road-2011-2014-mustang-5-0l-10__77506.1740013764.gif?v=1761880983"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4566\/0253\/collections\/IMG_7892_530x_2x_4bd6bced-72f9-4228-a98e-0b3533671ee1.webp?v=1761880708","url":"https:\/\/www.byepolr.com\/collections\/mustang.oembed?page=7","provider":"ByePolr Performance","version":"1.0","type":"link"}