you might want to do that, if they are shorties, dont bother. all stock exhaust maifolds are the same, and aftermarket shorty headers aren't worth it, with no gain.
you might want to do that, if they are shorties, dont bother. all stock exhaust maifolds are the same, and aftermarket shorty headers aren't worth it, with no gain.
5.0 mag dynoed a 4.6 with shorties and they gained i think 1.5hp...if your going to the trouble to install them mine as well do longtubes...plus longtubes sound
My car sounds like a nascar now that i have longtubes