{"product":{"id":11350218113366,"title":"Kooks Active Cat-Back Exhaust for Mustang GT (2018-2026) - Carbon Tips","body_html":"\u003ch2\u003eMake your Mustang sound like your Mustang\u003c\/h2\u003e\u003cp\u003eChoose the exhaust character that makes you look forward to the next drive. This Kooks active-valve cat-back offers Shotgun and Touring mufflers, both with carbon-fibre quad tips, for the 2018-2026 Mustang GT. Its OEM front connection lets you upgrade the rear exhaust while retaining the compatible factory front arrangement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSKUs:\u003c\/strong\u003e 11514520, 11514570\u003c\/p\u003e\u003ch2\u003eChoose excitement or greater refinement\u003c\/h2\u003e\u003cp\u003eShotgun is the louder, more open choice. Touring is designed with cabin refinement and reduced unwanted drone in mind. Pick the style for how you enjoy your Mustang, whether that means a more outspoken V8 note or a system you want to live with on longer journeys. Actual sound still depends on the rest of the exhaust.\u003c\/p\u003e\u003ch2\u003eAn H-pipe and full 3\" rear pipework\u003c\/h2\u003e\u003cp\u003eThe 2-1\/4\" to 3\" H-pipe provides the OEM front connection and feeds 3\" mid-pipes, muffler sections and rear pipework. The system uses 304 stainless steel, with carbon-fibre tips giving the quad outlets a darker finish.\u003c\/p\u003e\u003ch2\u003eKeep the factory active-exhaust equipment\u003c\/h2\u003e\u003cp\u003eInstallation reuses the factory active-exhaust actuator motors and springs on the Kooks valves. The car needs a quad-tip rear bumper or the appropriate quad-tip conversion. We recommend professional fitting to align the tips and check valve operation, hanger position and heat clearance.\u003c\/p\u003e\u003ch2\u003eChoose your option\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eMuffler Type\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eTip Color\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFitting \/ contents\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e11514520\u003c\/td\u003e\n\u003ctd\u003eShotgun Mufflers\u003c\/td\u003e\n\u003ctd\u003eCarbon\u003c\/td\u003e\n\u003ctd\u003eShotgun mufflers; carbon-fibre quad tips; OEM front connection; factory active-exhaust actuators reused.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11514570\u003c\/td\u003e\n\u003ctd\u003eTouring Mufflers\u003c\/td\u003e\n\u003ctd\u003eCarbon\u003c\/td\u003e\n\u003ctd\u003eTouring mufflers; carbon-fibre quad tips; OEM front connection; factory active-exhaust actuators reused.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eVehicle fitment\u003c\/h2\u003e\u003ctable class=\"vehicle-fitment\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eVehicle and trim\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eEngine\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApplicable SKU \/ fitting conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e2018-2026\u003c\/td\u003e\n\u003ctd\u003eFord Mustang GT\u003c\/td\u003e\n\u003ctd\u003e5.0L V8\u003c\/td\u003e\n\u003ctd\u003e11514520, 11514570\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\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\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eMustang GT 5.0, 2018-2026; quad-tip bumper or conversion required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem type\u003c\/td\u003e\n\u003ctd\u003eActive-valve cat-back with OEM front connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront connection\u003c\/td\u003e\n\u003ctd\u003e2-1\/4\" to 3\" H-pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear pipework\u003c\/td\u003e\n\u003ctd\u003e3\" mid-pipes and rear\/muffler sections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMuffler choices\u003c\/td\u003e\n\u003ctd\u003eShotgun or Touring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTips\u003c\/td\u003e\n\u003ctd\u003eCarbon-fibre quad tips on both offered options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve equipment\u003c\/td\u003e\n\u003ctd\u003eReuses factory active-exhaust actuator motors and springs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eFAQs\u003c\/h2\u003e\u003ch3\u003eCan I keep the factory front exhaust?\u003c\/h3\u003e\u003cp\u003eYes. This cat-back uses the compatible OEM front connection, unlike the Kooks connection-back version that requires long tube headers and front connection pipes.\u003c\/p\u003e\u003ch3\u003eAre polished tips available on this listing?\u003c\/h3\u003e\u003cp\u003eThe two options offered here both have carbon-fibre tips. The choice is Shotgun or Touring mufflers.\u003c\/p\u003e\u003ch3\u003eDo I need a quad-tip bumper?\u003c\/h3\u003e\u003cp\u003eYes, either the factory quad-tip bumper or a suitable quad-tip conversion.\u003c\/p\u003e\u003ch3\u003eDoes the system come with new active-exhaust motors?\u003c\/h3\u003e\u003cp\u003eThe installation reuses the factory actuator motors and springs. Have those available when arranging fitting.\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 Systems","created_at":"2026-10-08T10:41:44+01:00","handle":"kooks-2018-2026-ford-mustang-gt-5-0l-active-exhaust-catbacks-172c5550","updated_at":"2026-10-12T17:07:20+01:00","published_at":"2026-10-09T13:07:20+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:ford-mustang, make:ford, type:exhaust-system","variants":[{"id":55646910120278,"product_id":11350218113366,"title":"Shotgun Mufflers \/ Carbon","price":"3135.89","sku":"11514520","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Shotgun Mufflers","option2":"Carbon","option3":null,"created_at":"2026-10-08T10:41:44+01:00","updated_at":"2026-10-12T17:07:20+01:00","taxable":true,"barcode":"842422181949","grams":40823,"image_id":null,"weight":40.823,"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":55646910153046,"product_id":11350218113366,"title":"Touring Mufflers \/ Carbon","price":"2268.14","sku":"11514570","position":2,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Touring Mufflers","option2":"Carbon","option3":null,"created_at":"2026-10-08T10:41:44+01:00","updated_at":"2026-10-12T17:07:20+01:00","taxable":true,"barcode":"842422181956","grams":40823,"image_id":null,"weight":40.823,"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":14512402071894,"product_id":11350218113366,"name":"Muffler Type","position":1,"values":["Shotgun Mufflers","Touring Mufflers"]},{"id":14512402104662,"product_id":11350218113366,"name":"Tip Color","position":2,"values":["Carbon"]}],"images":[{"id":86449302962518,"product_id":11350218113366,"position":1,"created_at":"2026-10-08T10:41:44+01:00","updated_at":"2026-10-08T10:41:48+01:00","alt":"Kooks 2018-2026 Ford Mustang GT 5.0L Active Exhaust Catbacks - 11514520, 11514570","width":1440,"height":1440,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/4ef901e4189062e523d66c398c1546ec_b0fa9763-30cd-457d-adbd-07351f16f55f.png?v=1791452508","variant_ids":[]},{"id":86449302995286,"product_id":11350218113366,"position":2,"created_at":"2026-10-08T10:41:44+01:00","updated_at":"2026-10-08T10:41:47+01:00","alt":"Kooks 2018-2026 Ford Mustang GT 5.0L Active Exhaust Catbacks - 11514520, 11514570","width":1440,"height":1440,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/f14c50d7c58dd1592aeab554dc45078f_9eb006f5-f79a-4247-97f5-f947a70cafc6.png?v=1791452507","variant_ids":[]},{"id":86449303028054,"product_id":11350218113366,"position":3,"created_at":"2026-10-08T10:41:44+01:00","updated_at":"2026-10-08T10:41:47+01:00","alt":"Kooks 2018-2026 Ford Mustang GT 5.0L Active Exhaust Catbacks - 11514520, 11514570","width":1080,"height":1080,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/27bc9fb0097bc2bec93827f75b8220b0_598657ff-9ebb-4e11-9f2a-51e00d962b81.png?v=1791452507","variant_ids":[]}],"image":{"id":86449302962518,"product_id":11350218113366,"position":1,"created_at":"2026-10-08T10:41:44+01:00","updated_at":"2026-10-08T10:41:48+01:00","alt":"Kooks 2018-2026 Ford Mustang GT 5.0L Active Exhaust Catbacks - 11514520, 11514570","width":1440,"height":1440,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/4ef901e4189062e523d66c398c1546ec_b0fa9763-30cd-457d-adbd-07351f16f55f.png?v=1791452508","variant_ids":[]}}}