Evolve F80 F82 F83, M3 and M4 N55, Catless Turbo Downpipes
Evolve catless turbo downpipes for the S55 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.
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.