{"title":"2015-2017 Mustang GT","description":null,"products":[{"product_id":"kooks-1-7-8-inch-long-tube-headers-with-catted-oem-connections-15-26-mustang-gt-dark-horse-1151h422","title":"Kooks 1-7\/8-Inch Long Tube Headers with Catted OEM Connections (15-26 Mustang GT, Dark Horse) #1151H422","description":"\u003cdiv class=\"accordion expanded\"\u003e\n\u003cdiv class=\"accordion expanded\"\u003e\n\u003ch2\u003eDescription (Contact for lead time)\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel expanded\"\u003e\n\u003csection class=\"description_container\"\u003e\n\u003cdiv class=\"product_description\"\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Exhaust Upgrade.\u003c\/strong\u003e The Kooks 1-7\/8-Inch Long Tube Headers with Catted OEM Connections are designed to enhance exhaust flow and increase horsepower for your Mustang GT or Dark Horse. These headers improve engine efficiency by reducing backpressure and optimizing scavenging, making them essential for enthusiasts aiming to maximize performance on street and track.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction and Appearance.\u003c\/strong\u003e Crafted from premium 304 stainless steel, these headers feature 3\/8-inch thick laser cut flanges and smooth 2-inch mandrel bent primaries for durability and precision fitment. The 3-inch collectors include a patented scavenging spike, and all components maintain a high-quality stainless steel finish that reflects the product's robust build and longevity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation.\u003c\/strong\u003e Installation is straightforward with all necessary hardware included, requiring no additional parts or modifications. This direct fit design avoids the need for drilling, allowing installation with standard automotive tools for experienced enthusiasts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e These headers are backed by a limited lifetime warranty to the original purchaser, ensuring lasting quality and support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication.\u003c\/strong\u003e Specifically engineered for the 2015-2026 Mustang GT and Dark Horse 5.0L 4V models. Not suitable for forced induction setups due to the design of the performance catalytic converters included.\u003c\/p\u003e\n\u003cdiv class=\"mpn\"\u003e\n\u003cp\u003eKooks 1151H422\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eCA Residents: \u003cimg alt=\"\" src=\"https:\/\/www.americanmuscle.com\/ClientResources\/img\/p65%20Warning%20Sign%203.svg\"\u003e WARNING: Cancer and Reproductive Harm - \u003ca class=\"text_link\" href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel expanded\"\u003e\n\u003csection class=\"description_container\"\u003e\n\u003cdiv class=\"product_description\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":50511406039136,"sku":"1151H422","price":3739.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/7326\/1408\/files\/kooks-mustang-1-7-8-inch-long-tube-headers-catted-oem-connections-1151h422_01.webp?v=1790038982"},{"product_id":"kooks-1-7-8-inch-long-tube-headers-with-green-catted-oem-connections-15-26-mustang-gt-dark-horse-1151h432","title":"Kooks 1-7\/8-Inch Long Tube Headers with GREEN Catted OEM Connections (15-26 Mustang GT, Dark Horse) #1151H432","description":"\u003cdiv class=\"accordion expanded\"\u003e\n\u003ch2\u003eDescription (Contact for lead time)\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel expanded\"\u003e\n\u003csection class=\"description_container\"\u003e\n\u003cdiv class=\"product_description\"\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Performance Exhaust Headers.\u003c\/strong\u003e The Kooks 1-7\/8-Inch Long Tube Headers with GREEN Catted OEM Connections significantly improve exhaust flow and engine efficiency. Designed for high horsepower and forced induction applications, these headers optimize power output while complying with emissions standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction and Appearance.\u003c\/strong\u003e Crafted from 304 stainless steel for superior durability, these headers feature mandrel bent tubes and 3\/8 inch thick laser cut flanges for precise fitment. The stainless steel finish offers a classic, corrosion-resistant look that maintains its appearance over time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation.\u003c\/strong\u003e Installation is straightforward with included gaskets, oxygen sensor extension harnesses, clamps, and bolts; no drilling or additional parts are required. The dual bolt pattern header flange allows for compatibility with factory mounts, facilitating a seamless upgrade.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e This product is backed by a limited lifetime warranty to the original purchaser.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication.\u003c\/strong\u003e Specifically designed to fit 2015-2026 Mustang GT and Dark Horse models, ensuring compatibility and optimal performance within this range.\u003c\/p\u003e\n\u003cdiv class=\"mpn\"\u003e\n\u003cp\u003eKooks 1151H432\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eCA Residents: \u003cimg alt=\"\" src=\"https:\/\/www.americanmuscle.com\/ClientResources\/img\/p65%20Warning%20Sign%203.svg\"\u003e WARNING: Cancer and Reproductive Harm - \u003ca class=\"text_link\" href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":50511415541856,"sku":"1151H432","price":4489.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/7326\/1408\/files\/kooks-mustang-1-7-8-inch-long-tube-headers-catted-oem-connections-1151h422_01_6a1f4d3b-fd39-46f9-b3bd-3ea98f43fbdd.webp?v=1790039584"},{"product_id":"kooks-1-7-8-inch-long-tube-headers-with-high-output-green-catted-connection-pipes-15-26-mustang-gt-dark-horse-1151h442","title":"Kooks 1-7\/8-Inch Long Tube Headers with High Output GREEN Catted Connection Pipes (15-26 Mustang GT, Dark Horse) #1151H442","description":"\u003cdiv class=\"accordion expanded\"\u003e\n\u003ch2\u003eDescription (Contact for lead time)\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel expanded\"\u003e\n\u003csection class=\"description_container\"\u003e\n\u003cdiv class=\"product_description\"\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Exhaust Upgrade.\u003c\/strong\u003e The Kooks 1-7\/8-inch Long Tube Headers with High Output GREEN Catted Connection Pipes deliver enhanced exhaust flow and improved power output for high-performance applications. Designed to replace the factory headers, these components optimize exhaust scavenging and catalytic converter efficiency, making them essential for enthusiasts seeking increased horsepower and torque.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction and Appearance.\u003c\/strong\u003e Manufactured from premium 304 stainless steel, the headers feature mandrel bent 1-7\/8-inch primaries and thick 3\/8-inch laser-cut flanges for durability and precise fitment. The system includes 3-inch collectors equipped with Kooks’ patented scavenging spike. The high output GREEN cats utilize EPA-verified 300-cell high flow technology with a special precious metals coating to improve catalytic reaction and heat resistance, engineered specifically for modern muscle cars exceeding 750 RWHP.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation.\u003c\/strong\u003e Installation requires moderate mechanical skill and features a direct bolt-on fitment with no drilling or major modifications necessary. All included hardware and components enable a complete setup without any additional parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e This product is backed by a limited lifetime warranty to the original purchaser, ensuring superior craftsmanship and material quality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication.\u003c\/strong\u003e Designed specifically to fit 2015 through 2026 Mustang GT and Dark Horse models, this system provides optimized performance and emissions compliance for these vehicles.\u003c\/p\u003e\n\u003cdiv class=\"mpn\"\u003e\n\u003cp\u003eKooks 1151H442\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eCA Residents: \u003cimg alt=\"\" src=\"https:\/\/www.americanmuscle.com\/ClientResources\/img\/p65%20Warning%20Sign%203.svg\"\u003e WARNING: Cancer and Reproductive Harm - \u003ca class=\"text_link\" href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":50511418753120,"sku":"1151H442","price":5189.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/7326\/1408\/files\/kooks-mustang-1-7-8-inch-long-tube-headers-high-output-green-catted-connection-pipes-1151h442_01.webp?v=1790040578"},{"product_id":"kooks-1-3-4-inch-long-tube-headers-with-catted-oem-connections-15-26-mustang-gt-dark-horse-1151h222","title":"Kooks 1-3\/4-Inch Long Tube Headers with Catted OEM Connections (15-26 Mustang GT, Dark Horse) #1151H222","description":"\u003cdiv class=\"accordion expanded\"\u003e\n\u003ch2\u003eDescription (Contact for lead time)\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel expanded\"\u003e\n\u003csection class=\"description_container\"\u003e\n\u003cdiv class=\"product_description\"\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Performance Headers.\u003c\/strong\u003e The Kooks 1-3\/4-Inch Long Tube Headers with Catted OEM Connections are engineered to enhance exhaust flow and improve engine performance for the Mustang GT and Dark Horse models. These headers optimize scavenging and reduce backpressure to deliver noticeable gains in horsepower and torque, making them ideal for both street and track applications where power and sound refinement are desired.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction and Appearance.\u003c\/strong\u003e Manufactured from 304 stainless steel, these headers feature durable 3\/8-inch thick laser-cut flanges and 2-inch mandrel-bent primary tubes. The 3-inch collectors incorporate a patented scavenging spike to ensure precise gas flow dynamics. The stainless steel finish provides corrosion resistance and a polished look that complements engine bays.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation.\u003c\/strong\u003e Installation requires moderate mechanical skill and includes all necessary components such as gaskets, clamps, an oxygen sensor extension harness, and a bolt kit for a straightforward bolt-on fitment. No additional parts or drilling are needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e These headers carry a limited lifetime warranty to the original purchaser, underscoring their quality and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication.\u003c\/strong\u003e Specifically designed to fit 15-26 Mustang GT, Dark Horse.\u003c\/p\u003e\n\u003cdiv class=\"mpn\"\u003e\n\u003cp\u003eKooks 1151H222\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eCA Residents: \u003cimg alt=\"\" src=\"https:\/\/www.americanmuscle.com\/ClientResources\/img\/p65%20Warning%20Sign%203.svg\"\u003e WARNING: Cancer and Reproductive Harm - \u003ca class=\"text_link\" href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":50511426519136,"sku":"1151H222","price":3698.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/7326\/1408\/files\/kooks-mustang-1-34-inch-long-tube-headers-catted-oem-connections-1151h222_01.webp?v=1790041313"},{"product_id":"kooks-1-3-4-inch-long-tube-headers-with-green-catted-oem-connections-15-26-mustang-gt-dark-horse-1151h232","title":"Kooks 1-3\/4-Inch Long Tube Headers with GREEN Catted OEM Connections (15-26 Mustang GT, Dark Horse) #1151H232","description":"\u003cdiv class=\"accordion expanded\"\u003e\n\u003ch2\u003eDescription (Contact for lead time)\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel expanded\"\u003e\n\u003csection class=\"description_container\"\u003e\n\u003cdiv class=\"product_description\"\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Exhaust Upgrade.\u003c\/strong\u003e The Kooks 1-3\/4-Inch Long Tube Headers with GREEN Catted OEM Connections are designed to enhance exhaust flow and improve engine efficiency for Mustang GT and Dark Horse models. These headers are crucial for increasing horsepower and torque while maintaining emissions compliance with high flow catalytic converters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction and Appearance.\u003c\/strong\u003e Crafted from high-quality 304 stainless steel with 3\/8-inch thick laser cut flanges, these headers feature mandrel bent 1-3\/4-inch primaries and 3-inch collectors equipped with a patented scavenging spike. The stainless steel finish offers both durability and corrosion resistance while maintaining a polished stainless appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation.\u003c\/strong\u003e Installation typically requires moderate mechanical skills as the headers bolt directly to the existing OEM flanges with included hardware, requiring no drilling or modifications. The kit includes all necessary gaskets, clamps, and an oxygen sensor extension harness for a complete and straightforward installation experience.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e This product is backed by a limited lifetime warranty to the original purchaser, ensuring long-term reliability and support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication.\u003c\/strong\u003e Specifically designed to fit 2015-2026 Mustang GT and Dark Horse models equipped with the 5.0L 4V engine.\u003c\/p\u003e\n\u003cdiv class=\"mpn\"\u003e\n\u003cp\u003eKooks 1151H232\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eCA Residents: \u003cimg alt=\"\" src=\"https:\/\/www.americanmuscle.com\/ClientResources\/img\/p65%20Warning%20Sign%203.svg\"\u003e WARNING: Cancer and Reproductive Harm - \u003ca class=\"text_link\" href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":50511426912352,"sku":"1151H232","price":4459.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/7326\/1408\/files\/kooks-mustang-1-3-4-inch-long-tube-headers-green-catted-oem-connections-1151h232_01.webp?v=1790041621"},{"product_id":"boundary-racing-pumps-billet-oil-pump-gears-11-26-mustang-gt-dark-horse-cm-opg-mustang","title":"Boundary Racing Pumps Billet Oil Pump Gears (11-26 Mustang GT, Dark Horse) #CM-OPG-MUSTANG","description":"\u003cdiv class=\"accordion expanded\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel expanded\"\u003e\n\u003csection class=\"description_container\"\u003e\n\u003cdiv class=\"product_description\"\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Performance Oil Pump Gears.\u003c\/strong\u003e The Boundary Racing Pumps Billet Oil Pump Gears deliver enhanced oil flow and increased durability for demanding engine conditions. These gears are engineered to improve oil circulation efficiency, helping to maintain optimal lubrication and reduce internal engine stress during high RPM operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction and Appearance.\u003c\/strong\u003e Featuring MartenWear and ColdFinish surface treatments, these gears withstand surface speeds up to 13,000 RPM without wear. The ported gerotor design maximizes flow area, supported by precision machining and a high-quality black finish with a rugged texture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation.\u003c\/strong\u003e Installation requires moderate mechanical skill and involves direct fitment onto existing OEM or billet crankshafts, allowing straightforward replacement or upgrade without drilling or permanent engine modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication.\u003c\/strong\u003e These gears are designed specifically for compatibility with 2011–2026 Mustang GT and Dark Horse models, ensuring precise fitment and reliable performance for these vehicles.\u003c\/p\u003e\n\u003cdiv class=\"mpn\"\u003e\n\u003cp\u003eBoundary Racing Pumps CM-OPG-MUSTANG\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eCA Residents: \u003cimg alt=\"\" src=\"https:\/\/www.americanmuscle.com\/ClientResources\/img\/p65%20Warning%20Sign%203.svg\"\u003e WARNING: Cancer and Reproductive Harm - \u003ca class=\"text_link\" href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Boundary Racing Pumps","offers":[{"title":"Default Title","offer_id":50511467970656,"sku":"CM-OPG-MUSTANG","price":399.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/7326\/1408\/files\/boundary-racing-pumps-mustang-coyote-billet-oil-pump-gears-cm-opg-mustang-01.webp?v=1790045614"},{"product_id":"boundary-racing-pumps-billet-crankshaft-timing-sprocket-15-26-mustang-gt-dark-horse-cm-sp-15","title":"Boundary Racing Pumps Billet Crankshaft Timing Sprocket (15-26 Mustang GT, Dark Horse) #CM SP-15","description":"\u003cdiv class=\"accordion expanded\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel expanded\"\u003e\n\u003csection class=\"description_container\"\u003e\n\u003cdiv class=\"product_description\"\u003e\n\u003cp\u003e\u003cstrong\u003ePremium Timing Component.\u003c\/strong\u003e The Boundary Racing Pumps Billet Crankshaft Timing Sprocket is engineered to enhance the reliability and durability of your engine’s timing system. This sprocket interfaces directly with the timing chain and crankshaft, ensuring precise timing control essential for engine operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction and Appearance.\u003c\/strong\u003e Crafted from high-grade chromoly steel, this sprocket undergoes a heat treatment process with low temper to maximize strength and wear resistance. It features precision CNC machining and broaching for an exact fitment, coupled with a smooth finish that minimizes friction and chain vibration. The sprocket’s robust design includes increased cross-section size and reinforced tooth geometry for superior durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation.\u003c\/strong\u003e Installation should be performed by experienced technicians familiar with engine timing systems. Compatibility depends on the specific engine and vehicle model; check product fitment carefully before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication.\u003c\/strong\u003e Designed specifically for 15-26 Mustang GT and Dark Horse models to deliver exact-fit performance enhancements for these vehicles.\u003c\/p\u003e\n\u003cdiv class=\"mpn\"\u003e\n\u003cp\u003eBoundary Racing Pumps CM SP-15\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eCA Residents: \u003cimg alt=\"\" src=\"https:\/\/www.americanmuscle.com\/ClientResources\/img\/p65%20Warning%20Sign%203.svg\"\u003e WARNING: Cancer and Reproductive Harm - \u003ca class=\"text_link\" href=\"https:\/\/www.p65warnings.ca.gov\/\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Boundary Racing Pumps","offers":[{"title":"Default Title","offer_id":50511504769120,"sku":"CM SP-15","price":249.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/7326\/1408\/files\/boundary-racing-pumps-mustang-coyote-billet-crankshaft-timing-sprocket-cm-sp-15_01.webp?v=1790046345"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/7326\/1408\/collections\/Mustang_2015-2018.png?v=1790037156","url":"https:\/\/baroneperformance.com\/collections\/2015-2018-mustang.oembed","provider":"Barone Performance","version":"1.0","type":"link"}