Competition Series Catless Downpipes 2015-20 M2 Competition/M3/M4 S55 Engine Finish:Polish Finish imagine how that charge pipe

imagine how that charge pipe is under boost

Our solution is the 2 piece xDrive version allows you to remove and install the downpipe without removing the driveshaft or lowering the front subframe

We now have a new diverter valve charge pipe designed specifically for the new N54 (June 2009+ build date)

It also causes turbulence after the catalytic converter which causes the exhaust flow to slow down (which increases restriction)

If you have an Aquamist Methanol Kit

Competition Series Catless Downpipes 2015-20 M2 Competition/M3/M4 S55 Engine Finish:Polish Finish imagine how that charge pipeIntroducing our new Competition Series Catless Downpipes for your twin turbo S55 engine! Fits 2015 20 M3 M4 and 2020 22 M2 Competition. Key Features: Made in the USA! Manufactured in house. Now available for the 2015 20 M3 M4 and 2020 22 M2 Competition. Higher Max Horsepower Power Curve Higher Intial Torque Curve. Torque curve hits faster and higher and longer. Better throttle response and faster turbo spool up times Mandrel Bent 3" piping. Smooth