Evolve Catless Turbo Downpipes - BMW 2 Series F87 M2 Competition | 3 Series F80 M3 | 4 Series F82 | F83 M4 S55

NOT ROAD LEGAL Evolve catless turbo downpipes for the S55 F87 M2 Comp | F80 M3 | F82 | F83 M4 in T301 Stainless steel. By eliminating the restrictive catalytic converters in the factory downpipes, back pressure is reduced significantly which results in faster spool, an increase in power & a more aggressive exhaust note. Stainless Steel construction  Tig Welded with Cast ends on turbo side. 3” diameter  Fit to stock exhaust or any after market exhaust that fits the stock downpipes Allows quicker turbo spool for higher response 60-70 BHP & 70-80 lb/ft torque when combined with Stage 2 Tuning  Provides a deeper and sportier exhaust note.