S-pipe is part of the exhaust.It is the pipe that goes over the front axel right out of the header.
bluesciontc · BOOST its what I do! Joined Apr 29, 2005 · 6,530 Posts #4 · Nov 18, 2005 View full thread S-pipe is part of the exhaust.It is the pipe that goes over the front axel right out of the header.