I think it's safe to say this thread really died down, but here's an 04 with stock manifolds, catted prochamber, and borla stingers. Doesn't sound too loud on the inside at all, and you can hear it when you want to open it up, though from the little bit I've heard from outside/behind it sounds REAL good. Glad I went with it.
[ame="http://www.youtube.com/watch?v=IdbL6WQ-zfc"]YouTube - 04 cobra catted prochamber stingers rev[/ame]
[ame="http://www.youtube.com/watch?v=IdbL6WQ-zfc"]YouTube - 04 cobra catted prochamber stingers rev[/ame]