Boost Your Mustang’s Power with Stainless Power Catted Long Tube Headers. The Stainless Power 1-7/8-Inch Catted Long Tube Headers are engineered to deliver significant horsepower and torque gains for your 2015-2025 Mustang GT or Dark Horse. These headers are designed with performance in mind, featuring 1-7/8-inch primary tubing that maximizes exhaust flow, allowing your engine to breathe better and perform at its best. Perfect for track use and high-performance driving, these headers will elevate your Mustang’s performance to the next level.Durable Stainless Steel Construction for Long-Term Use. Made from high-quality stainless steel, these long tube headers are built to withstand the high temperatures and stresses of performance driving. The included high-flow catalytic converters ensure emissions compliance while maintaining optimal exhaust flow, making these headers ideal for both street and track applications. With their durable construction and performance-focused design, these headers are a great upgrade for any Mustang enthusiast.Installation. The Stainless Power 1-7/8-Inch Catted Long Tube Headers install easily with a performance connect design.Application. These Stainless Power 1-7/8-Inch Catted Long Tube Headers are designed to fit 2015-2025 Mustang GT and Dark Horse models.