everyone has their own opinion. if i were you i would call scott siegel at 1-404-388-8751. He is a well known tuner in the tuner world. obviously people are gonna hate that i wrote this. LIKE I SAID PEOPLE HAVE THEIR OWN OPINION. He has done wonders on my car and i like his tuning style. I have to say he knows his stuff. so check him out and ask him anything as you need be.