Fmf Racing Fmf Fact 4.1 Al Rct W/ Car Cap Sys Ss Mid/Hdr Rmz450 – RMZ450 2018

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™. Factory Forward Engineering – moving the muffler closer to the motor to centralize mass. Massive Power gains throughout the RPM range. Huge weight savings. New RTS (Rapid Tuning System). FMF uses the highest quality proprietary blend stainless steel made especially to our stand.