AWE Track Edition Catback for the Subaru WRX / STI is an aggressive performance exhaust that's made in the USA. AWE Exhausts are proudly engineered, designed, and manufactured in-house at AWE, in the USA using 3” CNC mandrel-bent, U.S.-sourced .065” wall T304L stainless steel. They are rasp-free, aggressive BOXER® tone without the drone that provide maximum gains of 11 hp and 11 ft-lbs of torque at the crank. This exhaust is a direct bolt on, with perfect fitment guaranteed and backed by AWE's No Check Engine Light Guarantee.