Fits: 2018–2023 Ford Mustang Roush422097Axle BackGive your Mustang GT an aggressive race-inspired sound and powerful looks, and boost performance with this ROUSH Performance Axle-Back Exhaust System. This ROUSH Performance Axle-Back Exhaust System is constructed of corrosion-resistant T-304 stainless steel, and is mandrel-bent for high-performing airflow. Thanks to hours of research and development, testing, and validation, this system improves flow and reduces back pressure. Along with quad polished T-304 stainless steel tips, this system includes dual high-flow mufflers that improve the stock sound, performance, and flow characteristics of the Mustang's V8 powerhouse.Announce your arrival with a deep, throaty-sounding exhaust while you enhance your car's performance. Roush Mustang axle-back exhaust systems include tips, a muffler, and hardware.