2.five" Piping is effective to more than 600HP, but for a common rule of thumb, when sizing piping to get a purchaser car or truck, if We all know they want to make 600HP off the bat, they'll need to make far more electrical power afterwards. Contemplate it future proofing. https://gregorywsslf.madmouseblog.com/11419688/5-essential-elements-for-b16-motor-for-sale