I didn't see a downpipe maybe it looks different than what ZZP offers or I am just stupid.Stainless SS Racing Manifold Header Exhaust Grand Prix GTP Regal Impala 3 8L V6 | eBay
Quote Originally Posted by blueguy View Post
Srs?

Link in signature.

Read it.

Headers come with everything...why would you need a downpipe or a PEM?