When installing the Akrapovič downpipe, remapping the ECU is mandatory in order to prevent potential “check engine light” warning signals.
Downpipe is optional product to the following exhaust systems:
BMW M340I (G20) without OPF: Slip-On Line (Titanium) + Link pipe set (SS) - S-BM/T/18H + E-BM/SS/7
BMW M440I (G22) without OPF: Slip-On Line (Titanium) + Link pipe set (SS) - S-BM/T/18H + E-BM/SS/7
Thehigh-flowdownpipe is constructed using high-qualitystainless steeland, once fitted to the Evolution Line exhaust, it creates a complete system from the manifold to the tailpipes that will further enhance the performance figures: both the torque and power outputs. It incorporates asporty catalytic converter. This optional downpipe produces anenhanced soundthat delivers apure racing emotionand fantastic feedback at high revs, without unwanted drone, making it suitable for everyday use.