S55 Resonated Downpipes w/heatshield - F80 M3 | F82/F83 M4 | F87 M2C

Our S55 Resonated Downpipes include a resonator inside the downpipe. The downpipes are wrapped in our heat shield material to ease the heat of the downpipe. The resonator, allows for better noise reduction. Horsepower & torque gains are increased and may vary depending on the tuning platform. - Fitment - F80 M3 - F82/F83 M4 - F87 M2C *in-stock, ready to ship