Active Autowerke BMW N55 F3X M235I 335I 435I F87 M2 GESI Catted Downpipe m2cs Pipe opening to fit OEM

Pipe opening to fit OEM exhausts

***Before your order ships you MUST sign and return the Off Road Use Only

The filter oil also contains a swelling additive for the cotton filtration media

When we bumped up the torque to ~430 lb/ft the car would make inconsistent power at higher RPMs due to varied ignition timing and throttle opening

330i and 430 helps unleash some of the potential that is restricted by the OEM downpipe

Active Autowerke BMW N55 F3X M235I 335I 435I F87 M2 GESI Catted Downpipe m2cs Pipe opening to fit OEMNO PERFORMANCE TUNE NEEDED. Active Autowerke BMW N55 Downpipe NOTE: Fitment applies to US model cars only unless specifically stated. We cannot guarantee fitment to non US model cars. BMW introduced a new valvetronic, single turbo version of its direct injection engine for the F Chassis models 2014 and up. The Active Autowerke N55 downpipe for the M235i, 335i, 435i and M2 helps unleash some of the potential that is restricted by the OEM downpipe.