MAD BMW F87 M2C S55 Single Midpipe Resonated W/ Brace b58 diffuser the ARM 335xi catless downpipes

the ARM 335xi catless downpipes allows your AWD N54 to run boost settings of Stage 2 tunes and beyond

-Dual Compressor Oil Seals

By adding a skid plate

Note: If connecting to the OEM axle-back

Each pump is designed specific for your car and is laser welded for lifetime leak free service

MAD BMW F87 M2C S55 Single Midpipe Resonated W/ Brace b58 diffuser the ARM 335xi catless downpipesMAD (Mastery of Art and Design) BMW F87 M2C S55 Single Midpipe Resonated With Brace ETA Feb. 2026 The MAD resonated single midpipe for the F87 M2 Competition is designed to smooth out the S55s exhaust tone while reducing rasp and improving overall sound quality. This setup replaces the factory dual midpipe with a more direct single pipe design, giving the car a deeper and cleaner tone without making it overly loud. The resonated version adds a built