Sports Series 4" High Flow Catted Downpipe for the 2020-24 M135iX B48 (4 Cylinder) Engine jpipe Our Competition Series 4" Downpipes

Our Competition Series 4" Downpipes for your 2011-16 535i (F10)

Interesting thing was that when the car hit limp mode

Why you ask

ensuring maximum flow without obstruction

increase throttle response and faster boost spool ups

Sports Series 4" High Flow Catted Downpipe for the 2020-24 M135iX B48 (4 Cylinder) Engine jpipe Our Competition Series 4" DownpipesIntroducing our Sports Series 4" High Flow Catted Downpipes for your 2020 24 M135iX B48 four cylinder turbo engine! Key Features: Made in the USA! Manufactured in house. Available for the 2020 24 BMW M135i B48 Engine! High Flow 200 cell metallic catalytic converter used Horsepower gains of 9 to 11 whp average (gains will vary based on modifications of your vehicle). Higher Max Horsepower Power Curve Torque gains of 15 wtq average (stock boost) up to