Intake also reduces the boost psi.
Aftermarket intake will decrease the stock boost about 0.5-1psi.
That's what i heard.
Maybe lower boost, that's why ?
E92 M3 Dakar Yellow DCT | CF Trim
Akrapovic EVO Exhaust | RECARO RS-F SK2 Seat | KW Clubsports | H&R Sway Bar | DCT Cooler | iTG Air Filter | Volk TE37 SL + RS3 Tire