Originally Posted by CobbsSTI
Some people might disagree but ive heard of the grimmspeed aos doing more bad than good. Might wanna look into that. I suggest the Crawford aos.
well damn isn't the most expensive part always the best??? lol i know what you mean about the Grimmspeed, it seemed like the majority of the reviews were good though. not sure how much boost those people were running but i'm at 22.5psi so idk what that will affect..