Originally Posted by MyKindaGuise

hmm well im not sure how all of the turbo guys are running 500+ without error. I have no issue making boost? I know John said I was close to maxing mine with my current 2.5" so if I upgrade to 2.75" and the readouts are better its obvious that it does infact effect it. Which I have read that it does. That is why gtm ran 3" piping on their 1000hp car.