View Single Post
Old 09-05-2008, 02:34 AM   #2
Registered User
Join Date: Jun 2008
Location: ca
Posts: 28
My Ride: 2000 328Ci
the aa exhaust is a muffler, with a little bit of piping attached to it.
it is not a cat.

Replacing the rest of the stock exhaust piping will net u very minimal power gains. but deleting a resonator or both will increase sound.

Check out my post, i got the aa exhaust not long ago
strsi is offline   Reply With Quote