Can anyone help??
Thread Starter
Member
Joined: Feb 2001
Posts: 156
Likes: 0
From: Lake Zurich, Illinois
Can anyone help??
Is the stock exhaust pipe right after the cats but before the muffler on a 91 z-28 350, 2.5 inches? That what my inlet size is on my muffler but the pipe seems to be bigger than it is where it enters the muffler.