{"product_id":"stainless-works-sswm24hcat-2015-2026-ford-mustang-gt-5-0l-coyote-v8-long-tube-headers-high-flow-cats-1-7-8in-factory-connect","title":"Stainless Works SSWM24HCAT 2015-2026 Ford Mustang GT 5.0L Coyote V8 Long Tube Headers High Flow Cats 1-7\/8in Factory Connect","description":"\u003cp\u003eThe Stainless Works M24HCAT is a set of long-tube headers with high-flow catalytic converters built for the \u003cstrong\u003e2015-2026 Ford Mustang GT with the 5.0L Coyote V8\u003c\/strong\u003e. Using 1-7\/8-inch 304 stainless steel primary tubes and a 3-inch collector with integrated merge spike, the M24HCAT is the most popular Stainless Works header choice for naturally aspirated street builds. The factory connect outlet bolts directly to the OEM Ford cat-back exhaust at the stock 2-1\/4-inch connection point with no cutting or modification required. This is the true bolt-on long-tube header for Mustang GT owners keeping their factory cat-back while upgrading to the most significant single exhaust modification available for the Coyote platform. Handmade to order in Streetsboro, Ohio and backed by a lifetime warranty.\u003c\/p\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDriver-side long-tube header\u003c\/li\u003e\n\u003cli\u003ePassenger-side long-tube header\u003c\/li\u003e\n\u003cli\u003e2 high-flow catalytic converters\u003c\/li\u003e\n\u003cli\u003e2 lead pipes\u003c\/li\u003e\n\u003cli\u003e4 band clamps\u003c\/li\u003e\n\u003cli\u003e4 O2 sensor extensions\u003c\/li\u003e\n\u003cli\u003e16-piece bolt kit\u003c\/li\u003e\n\u003cli\u003eRTV sealant\u003c\/li\u003e\n\u003cli\u003eInstallation instructions (covering 2015-2017, 2018-2023, and 2024 plus model years)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eLong-Tube Headers: The Most Impactful Coyote Upgrade\u003c\/h4\u003e\n\u003cp\u003eThe factory Mustang GT uses short cast iron manifolds that choke exhaust flow and limit scavenging efficiency. Long-tube headers replace the manifolds with equal-length stainless tubes that allow exhaust pulses from each cylinder to flow freely without interference, dramatically improving cylinder scavenging at every RPM. The result is a measurable gain in horsepower and torque across a wide RPM band, and the open, aggressive exhaust note that defines a properly built Coyote.\u003c\/p\u003e\n\u003ch4\u003e1-7\/8-Inch Primaries: The Street Build Standard\u003c\/h4\u003e\n\u003cp\u003eThe 1-7\/8-inch primary tubes on the M24HCAT are sized for peak performance on naturally aspirated and mildly modified 5.0L Coyote builds. Smaller primaries maintain higher exhaust gas velocity at low and mid RPM, which translates directly to better throttle response and stronger torque in the RPM range used most on the street. For forced induction builds targeting maximum peak flow, the 2-inch M242HCAT is the correct choice.\u003c\/p\u003e\n\u003ch4\u003eFitment for 2015-2026 Ford Mustang GT\u003c\/h4\u003e\n\u003cp\u003eThe M24HCAT fits the \u003cstrong\u003e2015-2026 Ford Mustang GT with the 5.0L Coyote V8 only\u003c\/strong\u003e. Not compatible with the EcoBoost 2.3L or the Shelby GT500. An ECU retune is strongly recommended after installation.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTrim\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2025\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eFull Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eM24HCAT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e00887753443984\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeader Type\u003c\/td\u003e\n\u003ctd\u003eLong-Tube Headers with High-Flow Catalytic Converters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Tube Diameter\u003c\/td\u003e\n\u003ctd\u003e1-7\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector Diameter\u003c\/td\u003e\n\u003ctd\u003e3 in. with Integrated Merge Spike\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlange Thickness\u003c\/td\u003e\n\u003ctd\u003e3\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel, CNC Mandrel-Bent, TIG Welded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Point\u003c\/td\u003e\n\u003ctd\u003eFactory Connect, 2-1\/4 in. outlet (fits OEM cat-back, no cutting)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalytic Converters\u003c\/td\u003e\n\u003ctd\u003eHigh-Flow, 2 included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eO2 Sensor Extensions\u003c\/td\u003e\n\u003ctd\u003e4 included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eBolt-On, No Welding or Cutting Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eECU Tune Recommended\u003c\/td\u003e\n\u003ctd\u003eYes, strongly recommended after installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eMade in USA (Streetsboro, Ohio)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuild Time\u003c\/td\u003e\n\u003ctd\u003eBuilt to order, approximately 4 weeks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eNot Street Legal in California\u003c\/h4\u003e\n\u003cp\u003eThe M24HCAT does not carry a CARB Executive Order number and is not legal for street use in California or other CARB-adopting states. It is intended for track use or street use in non-CARB states.\u003c\/p\u003e\n\u003ch4\u003eWarranty and Factory Coverage\u003c\/h4\u003e\n\u003cp\u003eStainless Works backs the M24HCAT with a lifetime warranty on materials and workmanship. Under the federal Magnuson-Moss Warranty Act, an aftermarket part cannot void your factory warranty unless the dealer proves the part directly caused the specific failure claimed.\u003c\/p\u003e\n\u003ch4\u003eCompare: Full Stainless Works S550 and S650 Mustang GT Header Family\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003ePrimary Tube\u003c\/th\u003e\n\u003cth\u003eConnection Point\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eM24HCAT\u003c\/td\u003e\n\u003ctd\u003e1-7\/8 in.\u003c\/td\u003e\n\u003ctd\u003eFactory Connect (2-1\/4 in.)\u003c\/td\u003e\n\u003ctd\u003eStreet NA builds retaining OEM cat-back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM24H3CAT\u003c\/td\u003e\n\u003ctd\u003e1-7\/8 in.\u003c\/td\u003e\n\u003ctd\u003ePerformance Connect (3 in.)\u003c\/td\u003e\n\u003ctd\u003eStainless Works cat-back pairing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM24H3CATLG\u003c\/td\u003e\n\u003ctd\u003e1-7\/8 in.\u003c\/td\u003e\n\u003ctd\u003eAftermarket Connect (3 in.)\u003c\/td\u003e\n\u003ctd\u003eNon-SW aftermarket cat-back (MBRP, Corsa, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM242HCAT\u003c\/td\u003e\n\u003ctd\u003e2 in.\u003c\/td\u003e\n\u003ctd\u003eFactory Connect (2-1\/4 in.)\u003c\/td\u003e\n\u003ctd\u003eForced induction or max-flow NA, OEM cat-back retained\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM242H3CAT\u003c\/td\u003e\n\u003ctd\u003e2 in.\u003c\/td\u003e\n\u003ctd\u003ePerformance Connect (3 in.)\u003c\/td\u003e\n\u003ctd\u003eForced induction with Stainless Works cat-back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM242H3CATLG\u003c\/td\u003e\n\u003ctd\u003e2 in.\u003c\/td\u003e\n\u003ctd\u003eAftermarket Connect (3 in.)\u003c\/td\u003e\n\u003ctd\u003eForced induction with non-SW aftermarket cat-back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eAbout Stainless Works\u003c\/h4\u003e\n\u003cp\u003eStainless Works has been handcrafting performance exhaust systems in Streetsboro, Ohio since 1989. Every header set is built to order from 304 stainless steel using CNC mandrel bending and full TIG welding, and backed by a lifetime warranty.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the M24HCAT bolt directly onto my stock Mustang GT cat-back exhaust?\u003c\/strong\u003e\u003cbr\u003eYes. The factory connect outlet is sized at 2-1\/4 inches to slip directly onto the OEM Ford cat-back at the stock connection point. No cutting, welding, or modification to the existing exhaust is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the M24HCAT and the M24H3CATLG?\u003c\/strong\u003e\u003cbr\u003eBoth use 1-7\/8-inch primary tubes. The M24HCAT has a 2-1\/4-inch factory connect outlet for use with the OEM or factory-spec cat-back. The M24H3CATLG has a 3-inch aftermarket connect outlet for use with most aftermarket cat-back brands like MBRP, Corsa, and Borla.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the M24HCAT fit the 2024 and newer S650 Mustang GT?\u003c\/strong\u003e\u003cbr\u003eYes. Stainless Works lists this header through 2026 and includes separate installation instructions for the updated S650 platform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a tune required after installing the M24HCAT?\u003c\/strong\u003e\u003cbr\u003eAn ECU retune is strongly recommended. Long-tube headers significantly change exhaust dynamics and O2 sensor readings. A tune maximizes power gains and eliminates check engine lights from the repositioned catalysts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill installing the M24HCAT void my Ford factory warranty?\u003c\/strong\u003e\u003cbr\u003eUnder the federal Magnuson-Moss Warranty Act, a dealer cannot void your factory warranty simply because you installed aftermarket headers. They must prove the part directly caused the specific failure being claimed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the M24HCAT legal in California?\u003c\/strong\u003e\u003cbr\u003eNo. It does not hold a CARB Executive Order number and is not street legal in California or other CARB-adopting states.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the M24HCAT and the M242HCAT?\u003c\/strong\u003e\u003cbr\u003eThe M24HCAT uses 1-7\/8-inch primary tubes, optimized for naturally aspirated street builds and low-to-mid RPM torque. The M242HCAT uses 2-inch primaries for maximum peak flow, preferred on forced induction builds or high-RPM naturally aspirated race builds. Both use the factory connect outlet.\u003c\/p\u003e","brand":"Stainless Works","offers":[{"title":"Default Title","offer_id":45944654594127,"sku":"SSWM24HCAT","price":2379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ChatGPT_Image_Jun_22_2026_09_06_58_AM.png?v=1782134053","url":"https:\/\/www.blackopsautoworks.com\/products\/stainless-works-sswm24hcat-2015-2026-ford-mustang-gt-5-0l-coyote-v8-long-tube-headers-high-flow-cats-1-7-8in-factory-connect","provider":"Black Ops Auto Works","version":"1.0","type":"link"}