{"product_id":"kooks-mustang-5-0l-headers-green-catted-connections-1151h432","title":"Kooks 1-7\/8 in x 3 in Stainless Headers \u0026 GREEN Catted Connection Kit — 2015-2026 Ford Mustang 5.0L | 1151H432","description":"\u003cp\u003eKooks 1151H432 is a header and connection kit for the 2015-2026 Ford Mustang GT and Dark Horse with the 5.0L 4V. The 304 stainless steel headers use 1-7\/8 in mandrel bent primaries, 3\/8 in thick laser cut flanges with a dual bolt pattern, and 3 in collectors with Kooks' patented scavenging spike. The kit also includes GREEN catted connection pipes and OEM adapters. The GREEN cats are 400 cell high flow catalytic converters engineered for modern muscle cars up to 750 RWHP.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes gaskets, oxygen sensor extension harness, clamps and bolt kit required for installation.\u003c\/li\u003e\n\u003cli\u003eNo additional parts are required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Kooks\u003c\/li\u003e\n\u003cli\u003ePart Number: 1151H432\u003c\/li\u003e\n\u003cli\u003eHeader Size: 1-7\/8\" x 3\"\u003c\/li\u003e\n\u003cli\u003eMaterial: 304 Stainless Steel Construction\u003c\/li\u003e\n\u003cli\u003ePrimaries: 1-7\/8\" Mandrel Bent Primaries\u003c\/li\u003e\n\u003cli\u003eFlanges: 3\/8\" Thick Laser Cut Flanges\u003c\/li\u003e\n\u003cli\u003eFlange Pattern: Dual Bolt Pattern Header Flange\u003c\/li\u003e\n\u003cli\u003eCollectors: 3\" Collectors with Kooks' Patented Scavenging Spike\u003c\/li\u003e\n\u003cli\u003eCatalytic Converters: 400 Cell High Flow Catalytic Converters\u003c\/li\u003e\n\u003cli\u003eCat Rating: up to 750 RWHP\u003c\/li\u003e\n\u003cli\u003eHardware: Includes Gaskets, Oxygen Sensor Extension Harness, Clamps and Bolt Kit required for Installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2019 Ford Mustang Bullitt 5.0L\u003c\/li\u003e\n\u003cli\u003e2020 Ford Mustang Bullitt 5.0L\u003c\/li\u003e\n\u003cli\u003e2024 Ford Mustang Dark Horse 5.0L\u003c\/li\u003e\n\u003cli\u003e2025 Ford Mustang Dark Horse 5.0L\u003c\/li\u003e\n\u003cli\u003e2026 Ford Mustang Dark Horse 5.0L\u003c\/li\u003e\n\u003cli\u003e2024 Ford Mustang Dark Horse Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2025 Ford Mustang Dark Horse Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2026 Ford Mustang Dark Horse Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2015 Ford Mustang GT 5.0L\u003c\/li\u003e\n\u003cli\u003e2016 Ford Mustang GT 5.0L\u003c\/li\u003e\n\u003cli\u003e2017 Ford Mustang GT 5.0L\u003c\/li\u003e\n\u003cli\u003e2018 Ford Mustang GT 5.0L\u003c\/li\u003e\n\u003cli\u003e2019 Ford Mustang GT 5.0L\u003c\/li\u003e\n\u003cli\u003e2020 Ford Mustang GT 5.0L\u003c\/li\u003e\n\u003cli\u003e2021 Ford Mustang GT 5.0L\u003c\/li\u003e\n\u003cli\u003e2022 Ford Mustang GT 5.0L\u003c\/li\u003e\n\u003cli\u003e2023 Ford Mustang GT 5.0L\u003c\/li\u003e\n\u003cli\u003e2024 Ford Mustang GT 5.0L\u003c\/li\u003e\n\u003cli\u003e2025 Ford Mustang GT 5.0L\u003c\/li\u003e\n\u003cli\u003e2026 Ford Mustang GT 5.0L\u003c\/li\u003e\n\u003cli\u003e2015 Ford Mustang GT Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2016 Ford Mustang GT Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2017 Ford Mustang GT Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2018 Ford Mustang GT Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2019 Ford Mustang GT Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2020 Ford Mustang GT Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2021 Ford Mustang GT Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2022 Ford Mustang GT Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2023 Ford Mustang GT Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2024 Ford Mustang GT Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2025 Ford Mustang GT Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2026 Ford Mustang GT Premium 5.0L\u003c\/li\u003e\n\u003cli\u003e2021 Ford Mustang Mach 1 5.0L\u003c\/li\u003e\n\u003cli\u003e2022 Ford Mustang Mach 1 5.0L\u003c\/li\u003e\n\u003cli\u003e2023 Ford Mustang Mach 1 5.0L\u003c\/li\u003e\n\u003c\/ul\u003e\u003cblockquote\u003e\u003cp\u003e\u003cstrong\u003eRace Use Only:\u003c\/strong\u003e This product is manufactured and sold for installation on vehicles used solely for competition. Once installed, the vehicle may not be used, registered, or licensed for use on a public road or highway. Installation on a street-driven vehicle may violate the Clean Air Act 203(a)(3), 42 U.S.C. 7522(a)(3).\u003c\/p\u003e\u003c\/blockquote\u003e\u003cp\u003e\u003csmall\u003eCalifornia Proposition 65 Warning: Cancer and Reproductive Harm. www.P65Warnings.ca.gov\u003c\/small\u003e\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat Mustangs does the Kooks 1151H432 fit?\u003c\/h5\u003e\u003cp\u003eIt fits the 2015-2026 Ford Mustang GT and Dark Horse with the 5.0L 4V. See Vehicle Applications for every listed model year and trim.\u003c\/p\u003e\u003ch5\u003eWhat is included in the kit?\u003c\/h5\u003e\u003cp\u003eIt includes 1-7\/8 in x 3 in stainless headers, GREEN catted connection pipes, OEM adapters, gaskets, an oxygen sensor extension harness, clamps and a bolt kit.\u003c\/p\u003e\u003ch5\u003eHow much power are the GREEN cats rated for?\u003c\/h5\u003e\u003cp\u003eThe GREEN cats are 400 cell high flow catalytic converters engineered for modern muscle cars up to 750 RWHP.\u003c\/p\u003e\u003ch5\u003eAre any additional parts required?\u003c\/h5\u003e\u003cp\u003eNo. Everything needed for installation is included.\u003c\/p\u003e\u003ch5\u003eIs the Kooks 1151H432 street legal?\u003c\/h5\u003e\u003cp\u003eNo. It is sold for competition use only. California prohibits aftermarket exhaust parts that modify, remove or replace original equipment catalysts unless a CARB Executive Order covers the part, and Kooks does not represent that this product has one. Installation on a street-driven vehicle may violate the Clean Air Act (42 U.S.C. 7522(a)(3)).\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What Mustangs does the Kooks 1151H432 fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It fits the 2015-2026 Ford Mustang GT and Dark Horse with the 5.0L 4V. See Vehicle Applications for every listed model year and trim.\"}}, {\"@type\": \"Question\", \"name\": \"What is included in the kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It includes 1-7\/8 in x 3 in stainless headers, GREEN catted connection pipes, OEM adapters, gaskets, an oxygen sensor extension harness, clamps and a bolt kit.\"}}, {\"@type\": \"Question\", \"name\": \"How much power are the GREEN cats rated for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The GREEN cats are 400 cell high flow catalytic converters engineered for modern muscle cars up to 750 RWHP.\"}}, {\"@type\": \"Question\", \"name\": \"Are any additional parts required?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. Everything needed for installation is included.\"}}, {\"@type\": \"Question\", \"name\": \"Is the Kooks 1151H432 street legal?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is sold for competition use only. California prohibits aftermarket exhaust parts that modify, remove or replace original equipment catalysts unless a CARB Executive Order covers the part, and Kooks does not represent that this product has one. Installation on a street-driven vehicle may violate the Clean Air Act (42 U.S.C. 7522(a)(3)).\"}}]}\u003c\/script\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":42160446963760,"sku":"KSH1151H432","price":3215.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/c50221fb61a061adbcfaf70640e061f4L.jpg?v=1751948584","url":"https:\/\/berryperformancesales.com\/products\/kooks-mustang-5-0l-headers-green-catted-connections-1151h432","provider":"Berry Performance Sales","version":"1.0","type":"link"}