{"product":{"id":11350219653462,"title":"Kooks RHD Mustang GT Header Kits (2015-2019)","body_html":"\u003ch2\u003eGive your right-hand-drive Mustang the Kooks upgrade it needs\u003c\/h2\u003e\u003cp\u003eChoose a header package made for your right-hand-drive 2015-2019 Mustang GT. These Kooks kits pair stainless long tube headers with catted connection pipes and OEM adapters, offering 1-3\/4\" Performance, 1-7\/8\" Performance or 1-7\/8\" GREEN combinations.\u003c\/p\u003e\u003cp\u003eSKUs: 1155H220, 1155H420, 1155H430\u003c\/p\u003e\u003ch2\u003eMade for the right-hand-drive installation\u003c\/h2\u003e\u003cp\u003eRHD is part of the application for all three kits, rather than a detail to assume from a general Mustang listing. Each package uses 3\" collectors and includes the connections and adapters to the OEM rear exhaust.\u003c\/p\u003e\u003ch2\u003eChoose for the engine you are building\u003c\/h2\u003e\u003cp\u003eThe two Performance-catted kits suit naturally aspirated 5.0-litre engines. The GREEN-catted 1-7\/8\" package supports forced induction. Compare the actual combinations below and choose around the engine and rear exhaust you plan to use.\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\u003e1155H220\u003c\/td\u003e\n\u003ctd\u003eHeader Size: 1-3\/4\"; Cat Type: Performance Cats\u003c\/td\u003e\n\u003ctd\u003e1-3\/4\" headers; Performance Cats front connections; OEM adapters included\u003c\/td\u003e\n\u003ctd\u003eRight-hand drive; Naturally aspirated only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1155H420\u003c\/td\u003e\n\u003ctd\u003eHeader Size: 1-7\/8\"; Cat Type: Performance Cats\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\" headers; Performance Cats front connections; OEM adapters included\u003c\/td\u003e\n\u003ctd\u003eRight-hand drive; Naturally aspirated only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1155H430\u003c\/td\u003e\n\u003ctd\u003eHeader Size: 1-7\/8\"; Cat Type: GREEN Cats\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\" headers; GREEN Cats front connections; OEM adapters included\u003c\/td\u003e\n\u003ctd\u003eRight-hand drive\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 the header upgrade. For a 2015-2017 GT 5.0, see our \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/products\/ford-mustang-gt-5-0l-v8-2015-2017-custom-ecu-tuning\"\u003e2015-2017 Mustang GT custom tuning\u003c\/a\u003e. For 2018-2019 cars, \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/pages\/contact\"\u003econtact us\u003c\/a\u003e about calibration for your headers, engine and fuel.\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\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eFord Mustang GT\u003c\/td\u003e\n\u003ctd\u003e5.0L V8\u003c\/td\u003e\n\u003ctd\u003e1155H220, 1155H420, 1155H430\u003c\/td\u003e\n\u003ctd\u003eRight-hand drive\u003c\/td\u003e\n\u003c\/tr\u003e\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\u003e1155H220, 1155H420, 1155H430\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e2015-2019 Mustang GT 5.0L V8; right-hand drive only\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\u003ePrimary \/ catalyst choices\u003c\/td\u003e\n\u003ctd\u003e1-3\/4\" Performance; 1-7\/8\" Performance; 1-7\/8\" GREEN\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\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eHeaders, selected catted connection pipes and OEM adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear interface\u003c\/td\u003e\n\u003ctd\u003eOEM exhaust via supplied adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance condition\u003c\/td\u003e\n\u003ctd\u003eNaturally aspirated only\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\u003eAre these the right-hand-drive kits?\u003c\/h3\u003e\u003cp\u003eYes. All three listed packages are specified for the 2015-2019 RHD Mustang GT.\u003c\/p\u003e\u003ch3\u003eWhich RHD choice suits a supercharger?\u003c\/h3\u003e\u003cp\u003e1155H430 uses 1-7\/8\" headers and GREEN catted connections.\u003c\/p\u003e\u003ch2\u003eIntended use\u003c\/h2\u003e\u003cp\u003e1155H220, 1155H420: Competition, off-road and track use only. Not for use on public roads.\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":"Header Kits","created_at":"2026-10-08T10:41:51+01:00","handle":"kooks-2015-2026-ford-mustang-gt-5-0l-rhd-header-conn-kits","updated_at":"2026-10-10T19:13:38+01:00","published_at":"2026-10-09T13:35:49+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:ford-mustang, make:ford, type:header-kit","variants":[{"id":55646913921366,"product_id":11350219653462,"title":"1-3\/4\" \/ Performance Cats","price":"2657.62","sku":"1155H220","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"1-3\/4\"","option2":"Performance Cats","option3":null,"created_at":"2026-10-08T10:41:51+01:00","updated_at":"2026-10-10T19:13:38+01:00","taxable":true,"barcode":"842422147648","grams":23133,"image_id":null,"weight":23.133,"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":55646913954134,"product_id":11350219653462,"title":"1-7\/8\" \/ Performance Cats","price":"2813.77","sku":"1155H420","position":2,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"1-7\/8\"","option2":"Performance Cats","option3":null,"created_at":"2026-10-08T10:41:51+01:00","updated_at":"2026-10-10T19:13:38+01:00","taxable":true,"barcode":"842422148003","grams":23133,"image_id":null,"weight":23.133,"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":55646913986902,"product_id":11350219653462,"title":"1-7\/8\" \/ GREEN Cats","price":"3381.76","sku":"1155H430","position":3,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"1-7\/8\"","option2":"GREEN Cats","option3":null,"created_at":"2026-10-08T10:41:51+01:00","updated_at":"2026-10-10T19:13:38+01:00","taxable":true,"barcode":"842422148126","grams":23133,"image_id":null,"weight":23.133,"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":14512403874134,"product_id":11350219653462,"name":"Header Size","position":1,"values":["1-3\/4\"","1-7\/8\""]},{"id":14512403906902,"product_id":11350219653462,"name":"Cat Type","position":2,"values":["Performance Cats","GREEN Cats"]}],"images":[{"id":86449318396246,"product_id":11350219653462,"position":1,"created_at":"2026-10-08T10:41:51+01:00","updated_at":"2026-10-08T10:41:55+01:00","alt":"Kooks 2015-2019 Ford Mustang GT 5.0L RHD Header\/Connection Kits","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/cf6fd4a8f23278b3640cb58783f17103_67504d9b-1ede-4880-9f45-da902ce31fce.jpg?v=1791452515","variant_ids":[]},{"id":86449318429014,"product_id":11350219653462,"position":2,"created_at":"2026-10-08T10:41:51+01:00","updated_at":"2026-10-08T10:41:54+01:00","alt":"Kooks 2015-2019 Ford Mustang GT 5.0L RHD Header\/Connection Kits","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/22835d7edbe1b2714b61d6393b0fb47d_d83894a8-0860-4bd0-b372-a98059d5682d.jpg?v=1791452514","variant_ids":[]},{"id":86449318461782,"product_id":11350219653462,"position":3,"created_at":"2026-10-08T10:41:51+01:00","updated_at":"2026-10-08T10:41:55+01:00","alt":"Kooks 2015-2019 Ford Mustang GT 5.0L RHD Header\/Connection Kits","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/4d4d12d4f9741a47ad14feef43bff70e_ab1d8b54-c6ab-4740-b76f-77c8a5406fc0.jpg?v=1791452515","variant_ids":[]}],"image":{"id":86449318396246,"product_id":11350219653462,"position":1,"created_at":"2026-10-08T10:41:51+01:00","updated_at":"2026-10-08T10:41:55+01:00","alt":"Kooks 2015-2019 Ford Mustang GT 5.0L RHD Header\/Connection Kits","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/cf6fd4a8f23278b3640cb58783f17103_67504d9b-1ede-4880-9f45-da902ce31fce.jpg?v=1791452515","variant_ids":[]}}}