Thread: Should i get a pcm tune for a 3.5 pulley drop?

Originally Posted by Or GTP

I recently added a set of speed daddy headers. My car runs way better now than with the 3" down pipe with the ubend delete. I also put a K&N filter in my airbox with a 3.5" hole in the side of the air box an then put in a 2' section of 3.5" black drain pipe from the fender well. The air box mod worked great it ran the same 1/4mi time headlight in or out. It is a lot quieter than a cold air intake.

def. not what were talking about but ok