Headers
12 Second Truck
Joined: Aug 2009
Posts: 1,931
Likes: 133
From: NC
Longtubes are usually good for 15-20 rwhp in naturally aspirated vehicles. A custom tune will help insure this and the values for the oxygen sensors can be adjusted prevent a cel light.
Last edited by Blown Ford; Nov 18, 2011 at 01:26 PM.