View Full Version : stock exhaust manifolds

03-03-2003, 08:00 PM
How much horsepower has anyone ever gotton using their stock manifolds? The reason i ask is i have recently bought a lot of bolt ons and i'm not sure if i am going to run into problems with enough flow.

Kevin Varnes
03-03-2003, 08:11 PM
I am aware of at least one person who ran high 13's with factory unported exhaust manifolds.