VRSF Catted Downpipe for N55 BMW X3 F25 X4 F26 35i Brand_BMC Air Filters or 50/50 venting

or 50/50 venting

Important: S63TU vehicles with November 2019 or later software updates may require a bench DME unlock before OBD flashing is available

By allowing a “cushion” of air at the wall surface

intercoolers and their own stage 2 remap

VRSF Catted Downpipe for N55 BMW X3 F25 X4 F26 35i Brand_BMC Air Filters or 50/50 ventingWe are proud to introduce our VRSF Race Downpipe for your 2010 2016 BMW X1 28iX E84, X3 20i, 20iX, 28iX F25 & X4 20iX, 28iX with the N20 engine. This downpipe is THE best bang for the buck mod available. By eliminating the restrictive catalytic converter in the factory downpipe, back pressure is reduced significantly which results in faster spool, an increase in power & a more aggressive exhaust note. Our race downpipes are hand crafted from mandrel