AWE Touring Edition Cat-back Exhaust for S550 Mustang GT - Diamond Black Tips3015 33084 Touring Edition Exhaust Cat back A direct bolt on, straight through design, the Touring Edition Exhaust is a full 3 diameter exhaust featuring two bullet style resonators and an H pipe that brings out a smooth muscle tone with no drone throughout the entire range all of the time, thanks to AWEs 180 Technology. Sound Perfection: 180 Technology by AWE. As exhaust gases exit the Mustang GTs 5. 0L engine and flow into an AWE 180 Technology