After reading a few posts i gave up on looking for this answer. I had the latest EcuTek tune done. It also adjusted my throttle response and a few other things dramatically, why do Sprint Booster (still not sure what that is) as opposed to doing a full tune? Z's used to lag off the line but now it throws you into the seat off the line.
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308 rwhp | 252 rwtq | Fast Intentions CBE 18" Res | Stillen Gen 3 CAI | EcuTek Tune | Stoptech Slotted Rotors and Sport Pads | KW V3 Coilovers | SPL Upper Control Arms & Lower Rear Arms | Seibon CF TS Hood | Vossen CVT | SPC Toe bolts
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