{"product_id":"kooks-2011-2014-shelby-gt500-5-4l-5-8l-headers","title":"Kooks Shelby GT500 Long Tube Headers (2011-2014)","description":"\u003ch2\u003eMake the headers part of your Shelby upgrade\u003c\/h2\u003e\u003cp\u003eStart the exhaust upgrade at the engine of your supercharged GT500. These Kooks long tube headers offer 1-3\/4\" or 1-7\/8\" primaries, with 3\" collectors and the fitting parts for a matched X-pipe or H-pipe installation.\u003c\/p\u003e\u003cp\u003eSKUs: 11422200, 11422400\u003c\/p\u003e\u003ch2\u003eChoose the primary size for your engine\u003c\/h2\u003e\u003cp\u003eBoth sizes use 304 stainless steel, oval ports, the stock bolt pattern and 3\/8\" laser-cut flanges. The EGR fitting is included on both configurations.\u003c\/p\u003e\u003ch2\u003eInstallation parts already included\u003c\/h2\u003e\u003cp\u003ePY-8034-AL gaskets, two CAS-109203 O2 extension harnesses and BK111 \/ BK114 bolt kits are included. Add the matching Kooks X-pipe or H-pipe to complete the front exhaust.\u003c\/p\u003e\u003ch2\u003eChoose your configuration\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"variant-comparison\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eConfiguration\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSupplied arrangement\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFitting \/ engine conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e11422200\u003c\/td\u003e\n\u003ctd\u003eHeader Size: 1-3\/4\"\u003c\/td\u003e\n\u003ctd\u003e1-3\/4\" primaries, 3\" collectors; EGR fitting and listed installation parts included.\u003c\/td\u003e\n\u003ctd\u003eMatch the vehicle and engine rows below\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11422400\u003c\/td\u003e\n\u003ctd\u003eHeader Size: 1-7\/8\"\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\" primaries, 3\" collectors; EGR fitting and listed installation parts included.\u003c\/td\u003e\n\u003ctd\u003eMatch the vehicle and engine rows below\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eTuning for your exhaust upgrade\u003c\/h2\u003e\u003cp\u003eWe recommend tuning with every header installation so the calibration suits your new headers, complete exhaust and fuel. \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/pages\/contact\"\u003eTalk to us\u003c\/a\u003e to discuss the right tuning route for your vehicle.\u003c\/p\u003e\u003ch2\u003eMatching products\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/products\/kooks-2011-2014-shelby-gt500-5-4l-5-8l-connection-pipes?variant=55646899274070\"\u003eGT500 GREEN X-pipe\u003c\/a\u003e connects these 2011-2014 GT500 headers to the 2-3\/4-inch OEM rear interface. The \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/products\/kooks-2011-2014-shelby-gt500-5-4l-5-8l-connection-pipes?variant=55646899339606\"\u003eGT500 GREEN H-pipe\u003c\/a\u003e is the alternative H-pipe layout for the same GT500 years and OEM rear outlet.\u003c\/p\u003e\u003ch2\u003eVehicle fitment\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"vehicle-fitment\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eVehicle \/ trim\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eEngine\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApplicable SKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFitting conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011-2012\u003c\/td\u003e\n\u003ctd\u003eFord Mustang Shelby GT500\u003c\/td\u003e\n\u003ctd\u003e5.4L V8\u003c\/td\u003e\n\u003ctd\u003e11422200, 11422400\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2014\u003c\/td\u003e\n\u003ctd\u003eFord Mustang Shelby GT500\u003c\/td\u003e\n\u003ctd\u003e5.8L V8\u003c\/td\u003e\n\u003ctd\u003e11422200, 11422400\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"technical-specifications\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKUs\u003c\/td\u003e\n\u003ctd\u003e11422200, 11422400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e2011-2012 GT500 5.4L; 2013-2014 GT500 5.8L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimaries\u003c\/td\u003e\n\u003ctd\u003e11422200: 1-3\/4\"; 11422400: 1-7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollectors\u003c\/td\u003e\n\u003ctd\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlanges \/ ports\u003c\/td\u003e\n\u003ctd\u003e3\/8\" laser-cut; oval port; stock bolt pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting parts\u003c\/td\u003e\n\u003ctd\u003eEGR fitting; PY-8034-AL gaskets; 2 CAS-109203 harnesses; BK111 \/ BK114 kits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired connections\u003c\/td\u003e\n\u003ctd\u003eMatching Kooks X-pipe or H-pipe, separate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs the crossover included?\u003c\/h3\u003e\u003cp\u003eThe headers need a separately purchased matching Kooks X-pipe or H-pipe.\u003c\/p\u003e\u003ch3\u003eDo both choices include O2 extensions?\u003c\/h3\u003e\u003cp\u003eYes. Both include the two CAS-109203 extension harnesses and the listed fitting parts.\u003c\/p\u003e\u003ch2\u003eIntended use\u003c\/h2\u003e\u003cp\u003e11422200, 11422400: Competition, off-road and track use only. Not for use on public roads.\u003c\/p\u003e\u003cp\u003eThe competition-use waiver applies to 11422200, 11422400.\u003c\/p\u003e\u003ch2\u003eOrdering and delivery\u003c\/h2\u003e\u003cp\u003eEstimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.\u003c\/p\u003e","brand":"Kooks","offers":[{"title":"1-3\/4\"","offer_id":55646898913622,"sku":"11422200","price":1806.63,"currency_code":"GBP","in_stock":true},{"title":"1-7\/8\"","offer_id":55646898946390,"sku":"11422400","price":1978.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/86b106cf04c557b46b128d949ff17437_31b0ba11-f42c-488f-935d-fd5c555677a3.jpg?v=1791452480","url":"https:\/\/hooniesadrenaline.co.uk\/products\/kooks-2011-2014-shelby-gt500-5-4l-5-8l-headers","provider":"Hoonies Adrenaline","version":"1.0","type":"link"}