T turbotwister FAST COMPANY PERFORMANCE Joined Oct 21, 2002 Apr 27, 2017 #1 hi, expert opinion wanted. Does an .81 4 bolt exhaust housing flow better than a . 85 3 bolt housing with a q trim wheel? Thanks, Nick
hi, expert opinion wanted. Does an .81 4 bolt exhaust housing flow better than a . 85 3 bolt housing with a q trim wheel? Thanks, Nick