Wel lads got my gt starlet mapped the other day and only made 240bhp @ 1.4 bar boost on a tuning developmenps hybrid td04 😠 No boost leaks no falt codes running fine just not making good power, is also lagy for a td04 imo. Can't figure it out, Any input would be greatly appreciated. Is my exhaust big enough? Think it's 2.25 into 2.5" blitz nur spec rest of spec is, td hybrid td04 turbo kit forged 4e engine, (standard compression) standard head and inlet Emanage ultimat ecu Fmi fpr walbro pump Lambda sensor was not working on dyno witch I have since changed but ecu dose not use lambda at wot Thanks