ROUSH exhaust system for 2005 and Newer ROUSH Mustangs and Stock Mustang GT With ROUSH Rear Fascia Installed. Complete ROUSH axle back exhaust system with that distinctive throaty and popping ROUSH sound and superior performance. This exhaust system bolts on, requires no cutting and attaches to the factory midpipes. T304 mandrel bends with beautiful chrome cast aluminum rectangular tips designed to fit a ROUSH Mustang or a stock GT Mustang that has been installed with a ROUSH rear fascia. A trmendous Mustang Exhaust System!