For S5 owners looking to fine tune the sound of their 4.2L even more, AWE offers Resonated Downpipes featuring resonators larger than the stock units, along with larger diameter tubing to produce a...
For S5 owners looking to fine tune the sound of their 4.2L even more, AWE offers Non-Resonated Downpipes featuring unfiltered, larger diameter tubing in order to produce a more aggressive sound...