right i have a buddy club black box play and play ep82 running arounf .65 .7 bar boost fmic ported std exh manifold de cat - exhaust front filter conversion so i plugged the ecu in and it runs went for a drive its bogged down at first but seemed to sort its self out but it seems completely different power curve, no power untill about 5500k revs , and its running a hotter exhaust temp i think its running lean , so im going to get a fuel pressure regulator what you guys think ? Thanks