Give your 2018+ 5.0L Mustang GT an aggressive race-inspired sound and powerful looks, and boost performance with this ROUSH Performance Axle-Back Exhaust System. This 2018+ 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.