Originally posted by Epoch
Umm... OK... first, make sure it isn't a heat shield. Then, if you can't find a rattling heat shield, it's most likely the B-pipe of the exhaust manifold... not part of a cat-back system. The simplest fix would be to get some headers...
the b-pipe is part of a cat back exhaust. it is the piece right after the cat. the a-pipe is part of the exhaust manifold aka HEADER! :squint: