AWE Tuning 2.5L Golf/Rabbit Cat-Back Performance ExhaustQuite frankly, we were shocked at how exotic the 5 cylinder motor became after installing the AWE Cat Back exhaust system. This exhaust unlocks ~8hp at the crank, as well as giving the 2. 5L engine a voice that turns heads. There is no interior drone at any RPM and sound volume (interior and exterior) is quite civilized while still being noticable. The 2. 5L Cat Back was designed with performance and longevity in mind, and features mandrel bent 2. 5