For F87 M2 Competition (LCI, 2018+) with S55 engine: this Active Autowerke equal length mid pipe replaces the restrictive, unequal stock section to improve flow, balance exhaust pulses and eliminate the S55’s characteristic rasp.
KIT-1: non-resonated - pairs with catted downpipes for fast road or daily driver use
KIT-2: resonated - designed for decat or high-flow cat downpipes; smoother tone, track day or show car fit
Direct bolt-on using OEM hangers and flanges - no cutting, welding or modification
Compatible with OEM rear box, plus Armytrix, Remus, Akrapovič and other axle-backs
Also searched as: F87 EL midpipe, S55 mid section, M2C exhaust upgrade, stage 1 S55, stage 2 S55, fast road midpipe, track day midpipe
