From what I understand about the boost gauge overlay, the 0-10 is still in the same location, so you're not really changing the gauge, just extending the range farther over, so I don't see why you would have to have anything done to it. Isn't there a little pin you have to remove or something to allow the needle more range? Other than that, I don't think you have to do anything. Ever check out Pats Performance Parts Plus? I know these guys on here don't incourage street racing, but you ever go over to the industrial parks on Hall Street on a Friday night or early saturday morning? Oughtta check it out sometime. Used to be a blast.