Competition Series 4" Catless Downpipe for the 2016+ X1/X2/2 Series Gran Coupe B46 US Spec (4 Cylinder) Engine Drivetrain:AWD (X-Drive) Another parts development directly from

Another parts development directly from our 135i Time Attack racing program

Some European Spec & Asia Spec cars feature the Otto Particulate Filter (OPF) system as part of their emissions equipment

Higher Initial Torque Curve

What the 400 cells means is that per every inch

Competition Series 4" Catless Downpipe for the 2016+ X1/X2/2 Series Gran Coupe B46 US Spec (4 Cylinder) Engine Drivetrain:AWD (X-Drive) Another parts development directly fromIntroducing our new Competition Series 4" Downpipes for your 2016+ X1 X2, 2020+ 2 Series Gran Coupe US Spec B46 four cylinder turbo engine! The B46 engine is found in all U. S. spec cars. The downpipe is different than the B48 found in the EU Asia spec cars. You must get the correct downpipe for your car as they are not interchangeable. Key Features: Made in the USA! Manufactured in house. Available for the 2015+ BMW X1 x2 2 Series Gran Coupe B46