Top Rated Stainless Power 1-7/8" Long Tube Headers w/ 3" High-Flow Cats, Factory Connection :: 2015-2026 Mustang GT, Mach 1 & Dark Horse

Features: Tube Diameter: 1-7/8 Inch Header Type: Long Tube Header Material: 304 Stainless Steel Header Finish: Natural Gaskets Included: No Catalytic Converter: Yes Catalytic Converter Type: High Flow Tune Required: Yes Smooth Mandrel Bends Optimize Exhaust Flow Fully TIG Welded For Strength and Beauty Includes O2 Extensions, Clamps, Bolts And RTV SiliconeRev up your Mustang GT with our precision-crafted 2015-2025 header system, meticulously engineered to unleash maximum horsepower from your 5-liter engine. Don’t compromise on performance—choose the pinnacle of header systems available in the market. Renowned for unparalleled quality and unmatched performance, our products elevate your driving experience.Note: Tuning required for proper air/fuel ratio calibration.Note: This kit is the Factory Connect version that will connect to the factory slip fit connection with out any modification.Emissions Disclaimer: This product is NOT CARB legal and CAN NOT ship to California.Installation Instructions for 2015-2017 (opens in new tab): Click HEREInstallation Instructions for 2018-2023 (opens in new tab): Click HEREInstallation Instructions for 2024-2025 (opens in new tab): Click HEREPart Number: SM24HCAT