3.0 quattro exhaust?
3.0
Cat back: Milltek and Supersprint. (Milltek is not available due to fitment issues, currently being redesigned)
1.8T
Cat back: APR, MTM, Supersprint, Neuspeed, and Milltek.<ul><li><a href="https://forums.audiworld.com/a4gen2/msgs/297569.phtml">https://forums.audiworld.com/a4gen2/msgs/297569.phtml</a</li></ul>



