AWE Tuning Subaru BRZ/ Toyota GR86/ Toyota 86 Touring Edition Cat-Back Exhaust- Chrome Silver TipsThe AWE Touring Edition Cat Back is for drivers who like their BOXER rumble to be deep, hearty, and full of crackles all without any interior drone at cruising speeds. Comprised of 3 and 2. 5 T304L stainless steel with a hefty wall thickness of . 065, the AWE Touring Edition features a bullet style resonator in the mid pipe and a set of patented 180 Technology resonators residing in the rear to decimate any drone prone frequencies from the exhaust