somebody in the audiworld.com C6 A6 posted that they did it. They said it was rather easy. Just plugging in a few modules in the trunk. I have requested more details from that person...but haven't seen anything yet.
Do a search in the C6 A6 forum:
http://forums.audiworld.com/c6a6/
-ted
Do a search in the C6 A6 forum:
http://forums.audiworld.com/c6a6/
-ted