{"product_id":"kooks-15-26-mustang-gt-dh-5-0l-4v-1-7-8-x3-ss-headers-w-ultra-green-catted-conn-pipe-w-oem-adapters","title":"Kooks 15-26 Mustang GT\/DH 5.0L 4V 1-7\/8 x3 SS Headers w\/Ultra Green Catted Conn Pipe\/w OEM Adapters","description":"\u003cdiv class=\"boa-product-copy\"\u003e\n\u003cp\u003eThe Kooks headers \u0026amp; manifolds identified by manufacturer part number 1151H452 is supplied in the exact configuration described as 1-7\/8\" SS Headers \u0026amp; ULTRA GREEN Catted Connection Kit. 2015-2026 Mustang GT\/DH. Confirm the complete part number, application, connection points, emissions requirements, and included components before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e304 Stainless Steel Construction\u003c\/li\u003e\n\u003cli\u003e3\/8\" Thick Laser Cut Flanges\u003c\/li\u003e\n\u003cli\u003e1-7\/8\" Mandrel Bent Primaries\u003c\/li\u003e\n\u003cli\u003e3\" Collectors with Kooks' Patented Scavenging Spike\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eApplication Notes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2026\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eVerify engine, emissions equipment, transmission, and exhaust configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eKooks Headers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e1151H452\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eHeaders \u0026amp; Manifolds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Dimensions\u003c\/th\u003e\n\u003ctd\u003e1-7\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Type\u003c\/th\u003e\n\u003ctd\u003eVehicle Specific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Detail\u003c\/th\u003e\n\u003ctd\u003eDual Bolt Pattern Header Flange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Detail\u003c\/th\u003e\n\u003ctd\u003eKooks ULTRA GREEN Cats - EPA verified, 4-1\/2\" diameter, 400 Cell High Flow Catalytic Converters that are rated for up to 850 wheel horsepower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Detail\u003c\/th\u003e\n\u003ctd\u003eKit includes headers, catted connection pipes, and connection adapters to connect to OEM exhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Detail\u003c\/th\u003e\n\u003ctd\u003eKit also includes all additional hardware - Gaskets, Oxygen Sensor Extension Harness, Clamps, Bolt Kit, and O2 Spacers - for Installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKit includes headers, catted connection pipes, and connection adapters to connect to OEM exhaust\u003c\/li\u003e\n\u003cli\u003eKit also includes all additional hardware - Gaskets, Oxygen Sensor Extension Harness, Clamps, Bolt Kit, and O2 Spacers - for Installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Kooks Headers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKooks manufactures performance exhaust components in the United States, including headers, connection pipes, catalytic-converter assemblies, cat-back systems, mufflers, flanges, and installation hardware. Exact part-number verification is essential because similar-looking components can use different engine, chassis, emissions, and connection configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRelated Kooks Headers Products\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/kooks-headers\"\u003eShop Kooks Headers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kooks-2024-ford-mustang-gt-v8-5-0l-1-7-8in-ss-headers-w-green-catted-connection-pipe\"\u003eKooks 1151H432 1 7\/8 in. Headers and GREEN Connection Kit 2015-2026 Ford Mustang GT Dark Horse 5.0L 4V\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kooks-2024-ford-mustang-gt-v8-5-0l-1-7-8in-ss-headers-w-catted-connection-pipe\"\u003eKooks 2024 Ford Mustang GT V8 5.0L 1-7\/8in SS Headers w\/ Catted Connection Pipe\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kooks-21502400-2in-headers-ho-green-catted-2024-2025-ford-mustang-gt-dark-horse-5-0l\"\u003eKooks 2024 Mustang GT\/D.H. 5.0L 4V 2in x 3in SS Headers w\/ H.O Green Catted Connection Pipe\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this Kooks headers \u0026amp; manifolds fit my 2015-2026 Ford Mustang?\u003c\/strong\u003e\u003cbr\u003eThat year, make, and model range is listed. Confirm the engine, emissions equipment, transmission, body configuration, existing exhaust, and exact Kooks part number before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this connect to the factory exhaust?\u003c\/strong\u003e\u003cbr\u003eFactory connection compatibility depends on the exact part number. Verify collector and outlet size, required Kooks connection pipes, catalytic-converter configuration, and every note in the current Kooks listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be checked after installation?\u003c\/strong\u003e\u003cbr\u003eConfirm exhaust clearance, hanger alignment, fastener torque, oxygen-sensor wiring, leak-free joints, and adequate distance from fuel lines, brake lines, wiring, and bodywork.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Instructions\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eVerify the exact part number, application, emissions configuration, connection sizes, and package contents before disassembly.\u003c\/li\u003e\n\u003cli\u003eSupport the vehicle safely and follow the factory service procedure together with the current Kooks instructions for this part number.\u003c\/li\u003e\n\u003cli\u003eTest-fit every component before cutting, welding, or permanently tightening the exhaust system.\u003c\/li\u003e\n\u003cli\u003eRoute oxygen-sensor wiring and nearby hoses, lines, and cables away from heat, sharp edges, and moving parts.\u003c\/li\u003e\n\u003cli\u003eTorque fasteners in the specified sequence, inspect for leaks and clearance, and recheck accessible connections after initial heat cycles.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":46659040084047,"sku":"KSH1151H452","price":4565.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/kooks-headers-ksh1151h452-headers-manifolds-image-01.jpg?v=1788749562","url":"https:\/\/www.blackopsautoworks.com\/products\/kooks-15-26-mustang-gt-dh-5-0l-4v-1-7-8-x3-ss-headers-w-ultra-green-catted-conn-pipe-w-oem-adapters","provider":"Black Ops Auto Works","version":"1.0","type":"link"}