Originally Posted by speadymeady

The boost cut is caused by an untuned vpc. If you put the afm back in you won't get boost cut. Get the vpc tuned and you won't have any more boost issues. If you go back to the afm you need to get a new elbow for the turbo inlet because it's cracked on the bottom and it creates a huge vaccuum leak causing it to run lean. You can avoid all that by getting the vpc tuned.