{"product":{"id":11350207660374,"title":"Kooks Shelby GT500 X-Pipe \/ H-Pipe Connections (2007-2010)","body_html":"\u003ch2\u003eFinish your GT500 exhaust the way you want it\u003c\/h2\u003e\u003cp\u003eChoose a matching crossover for the Kooks headers on your 5.4-litre GT500. This range offers X-pipe and H-pipe layouts with GREEN cats or uncatted Competition Only connections, all using the 2-1\/2\" OEM rear interface for the 2007-2010 car.\u003c\/p\u003e\u003cp\u003eSKUs: 11323100, 11323300, 11323400, 11323600\u003c\/p\u003e\u003ch2\u003eChoose the layout and cats together\u003c\/h2\u003e\u003cp\u003eThe 3\" front pipework is made from 16-gauge 304 stainless steel. GREEN options use 400-cell cats suitable for the supercharged engine; Competition Only options supply the uncatted arrangement.\u003c\/p\u003e\u003ch2\u003eKeep the rear connection matched\u003c\/h2\u003e\u003cp\u003eFront fitting clamps are included. The rear outlets join the OEM exhaust using the existing factory clamps, which are not supplied. The 2-1\/2\" rear size is specific to these earlier GT500 connections.\u003c\/p\u003e\u003ch2\u003eChoose the sound you enjoy\u003c\/h2\u003e\u003cp\u003eAn X-pipe typically gives a smoother, higher-pitched exhaust note. An H-pipe brings the deeper, classic muscle-car sound. Your choice of cats and rear mufflers also shapes what you hear from your GT500.\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\u003e11323100\u003c\/td\u003e\n\u003ctd\u003eCat Type: Comp. Only; Crossover Type: X Pipe; Outlet Size: 2-1\/2\" (OEM)\u003c\/td\u003e\n\u003ctd\u003eCompetition Only X-pipe; front clamps included, OEM rear clamps reused.\u003c\/td\u003e\n\u003ctd\u003eUncatted; competition use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11323300\u003c\/td\u003e\n\u003ctd\u003eCat Type: GREEN Cats; Crossover Type: X Pipe; Outlet Size: 2-1\/2\" (OEM)\u003c\/td\u003e\n\u003ctd\u003e400-cell GREEN X-pipe, suitable for forced induction; front clamps included, OEM rear clamps reused.\u003c\/td\u003e\n\u003ctd\u003eMatch the vehicle and engine rows below\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11323400\u003c\/td\u003e\n\u003ctd\u003eCat Type: Comp. Only; Crossover Type: H Pipe; Outlet Size: 2-1\/2\" (OEM)\u003c\/td\u003e\n\u003ctd\u003eCompetition Only H-pipe; front clamps included, OEM rear clamps reused.\u003c\/td\u003e\n\u003ctd\u003eUncatted; competition use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11323600\u003c\/td\u003e\n\u003ctd\u003eCat Type: GREEN Cats; Crossover Type: H Pipe; Outlet Size: 2-1\/2\" (OEM)\u003c\/td\u003e\n\u003ctd\u003e400-cell GREEN H-pipe, suitable for forced induction; front clamps included, OEM rear clamps reused.\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\u003eMatching products\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/products\/kooks-2007-2010-shelby-gt500-5-4l-headers?variant=55646894588246\"\u003e2007-2010 GT500 headers\u003c\/a\u003e supply the matching 3-inch collector interface for your 5.4-litre GT500.\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\u003e2007-2010\u003c\/td\u003e\n\u003ctd\u003eFord Mustang Shelby GT500\u003c\/td\u003e\n\u003ctd\u003e5.4L V8\u003c\/td\u003e\n\u003ctd\u003e11323100, 11323300, 11323400, 11323600\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008-2009\u003c\/td\u003e\n\u003ctd\u003eFord Mustang Shelby GT500KR\u003c\/td\u003e\n\u003ctd\u003e5.4L V8\u003c\/td\u003e\n\u003ctd\u003e11323100, 11323300, 11323400, 11323600\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\u003e11323100, 11323300, 11323400, 11323600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e2007-2010 Shelby GT500 5.4L 4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e16-gauge 304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront \/ OEM outlet\u003c\/td\u003e\n\u003ctd\u003e3\" \/ 2-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeader joint\u003c\/td\u003e\n\u003ctd\u003eBall-and-socket; Kooks long tube headers required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGREEN cats\u003c\/td\u003e\n\u003ctd\u003e400-cell; forced-induction suitable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamps\u003c\/td\u003e\n\u003ctd\u003eFront included; rear OEM clamps reused, not included\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\u003eCan I choose an H-pipe with GREEN cats?\u003c\/h3\u003e\u003cp\u003eYes. 11323600 is the GREEN-catted H-pipe. 11323300 is the GREEN X-pipe.\u003c\/p\u003e\u003ch3\u003eAre these the same rear size as the 2011-2014 GT500 pipes?\u003c\/h3\u003e\u003cp\u003eThese earlier-car pipes have 2-1\/2\" OEM outlets. The later GT500 range uses 2-3\/4\".\u003c\/p\u003e\u003ch2\u003eIntended use\u003c\/h2\u003e\u003cp\u003e11323100, 11323400: Competition, off-road and track use only. Not for use on public roads.\u003c\/p\u003e\u003cp\u003eThe competition-use waiver applies to 11323100, 11323400.\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","vendor":"Kooks","product_type":"Exhaust Pipes","created_at":"2026-10-08T10:41:06+01:00","handle":"kooks-2007-2010-shelby-gt500-connection-pipes-d5fdfbfc","updated_at":"2026-10-10T20:42:44+01:00","published_at":"2026-10-09T13:42:55+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:ford-mustang, make:ford, type:exhaust-pipe","variants":[{"id":55646894817622,"product_id":11350207660374,"title":"Comp. Only \/ X Pipe \/ 2-1\/2\" (OEM)","price":"1254.50","sku":"11323100","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Comp. Only","option2":"X Pipe","option3":"2-1\/2\" (OEM)","created_at":"2026-10-08T10:41:07+01:00","updated_at":"2026-10-10T20:42:44+01:00","taxable":true,"barcode":"842422146320","grams":9072,"image_id":null,"weight":9.072,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]},{"id":55646894850390,"product_id":11350207660374,"title":"GREEN Cats \/ X Pipe \/ 2-1\/2\" (OEM)","price":"2106.48","sku":"11323300","position":2,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"GREEN Cats","option2":"X Pipe","option3":"2-1\/2\" (OEM)","created_at":"2026-10-08T10:41:07+01:00","updated_at":"2026-10-10T20:42:44+01:00","taxable":true,"barcode":"842422156008","grams":11793,"image_id":null,"weight":11.793,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]},{"id":55646894883158,"product_id":11350207660374,"title":"Comp. Only \/ H Pipe \/ 2-1\/2\" (OEM)","price":"1367.07","sku":"11323400","position":3,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Comp. Only","option2":"H Pipe","option3":"2-1\/2\" (OEM)","created_at":"2026-10-08T10:41:07+01:00","updated_at":"2026-10-10T20:42:44+01:00","taxable":true,"barcode":"842422156084","grams":6804,"image_id":null,"weight":6.804,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]},{"id":55646894915926,"product_id":11350207660374,"title":"GREEN Cats \/ H Pipe \/ 2-1\/2\" (OEM)","price":"2219.04","sku":"11323600","position":4,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"GREEN Cats","option2":"H Pipe","option3":"2-1\/2\" (OEM)","created_at":"2026-10-08T10:41:07+01:00","updated_at":"2026-10-10T20:42:44+01:00","taxable":true,"barcode":"842422156206","grams":11793,"image_id":null,"weight":11.793,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]}],"options":[{"id":14512389292374,"product_id":11350207660374,"name":"Cat Type","position":1,"values":["Comp. Only","GREEN Cats"]},{"id":14512389325142,"product_id":11350207660374,"name":"Crossover Type","position":2,"values":["X Pipe","H Pipe"]},{"id":14512389357910,"product_id":11350207660374,"name":"Outlet Size","position":3,"values":["2-1\/2\" (OEM)"]}],"images":[{"id":86449202233686,"product_id":11350207660374,"position":1,"created_at":"2026-10-08T10:41:07+01:00","updated_at":"2026-10-08T10:41:09+01:00","alt":"Kooks 2007-2010 Shelby GT500 Connection Pipes - 11323100, 11323300, 11323400, 11323600","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/658be94e7ab867badd06c90092e3bb32_60383154-5801-4aac-8cdd-b69adc56be35.jpg?v=1791452469","variant_ids":[]},{"id":86449202266454,"product_id":11350207660374,"position":2,"created_at":"2026-10-08T10:41:07+01:00","updated_at":"2026-10-08T10:41:09+01:00","alt":"Kooks 2007-2010 Shelby GT500 Connection Pipes - 11323100, 11323300, 11323400, 11323600","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/b2ede4ddc8fd4a5b25502756e6edc922_d1fefeb2-9ee7-4ab4-b954-52705f2f4291.jpg?v=1791452469","variant_ids":[]},{"id":86449202299222,"product_id":11350207660374,"position":3,"created_at":"2026-10-08T10:41:07+01:00","updated_at":"2026-10-08T10:41:10+01:00","alt":"Kooks 2007-2010 Shelby GT500 Connection Pipes - 11323100, 11323300, 11323400, 11323600","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/f8d1fc272a9c8f72d7863748d9be6654_c46094bf-8221-497a-8c47-df21b7ce6899.jpg?v=1791452470","variant_ids":[]},{"id":86449202331990,"product_id":11350207660374,"position":4,"created_at":"2026-10-08T10:41:07+01:00","updated_at":"2026-10-08T10:41:09+01:00","alt":"Kooks 2007-2010 Shelby GT500 Connection Pipes - 11323100, 11323300, 11323400, 11323600","width":2406,"height":1600,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/4436e5a5025eff218b15f10fcc3e1614_0fc9f5a5-444b-47dd-9bb2-0506c3766106.jpg?v=1791452469","variant_ids":[]},{"id":86449202364758,"product_id":11350207660374,"position":5,"created_at":"2026-10-08T10:41:07+01:00","updated_at":"2026-10-08T10:41:10+01:00","alt":"Kooks 2007-2010 Shelby GT500 Connection Pipes - 11323100, 11323300, 11323400, 11323600","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/7161c6ac132304299dda530f8b818657_09868950-df2d-40e6-bd3f-68a7a6ed4d40.jpg?v=1791452470","variant_ids":[]}],"image":{"id":86449202233686,"product_id":11350207660374,"position":1,"created_at":"2026-10-08T10:41:07+01:00","updated_at":"2026-10-08T10:41:09+01:00","alt":"Kooks 2007-2010 Shelby GT500 Connection Pipes - 11323100, 11323300, 11323400, 11323600","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/658be94e7ab867badd06c90092e3bb32_60383154-5801-4aac-8cdd-b69adc56be35.jpg?v=1791452469","variant_ids":[]}}}