Evolve test pipes for the BMW E90, E92 and E93 M3 with the S65 engine. Removes restrictive primary catalytic converters from the OEM X-pipe - no welding, no cutting.
Bolts directly onto your factory X-pipe using a secure slip-on clamp system. Includes two new gaskets for a leak-free fit.
Made from stainless steel, precision mandrel bent
Dyno-proven gains: up to 20 bhp and 20 lb ft torque
Requires ECU remap to suppress CEL and unlock performance
