Full Systems

Designed for maximum torque and power across torque curve Made from durable 16 gauge steel body with a lightweight aluminum rear end cap Features a "quiet" 86-92dB sound level Includes U.S.F.S. approved, removable screen-type spark...

Increases top speed from 48 mph to 57 mph Designed after the factory Yamaha Road Racing Pipes Comes complete with a rebuildable oval alloy silencer Compatible Vehicles Years Make Make Notes 1987-1992 Yamaha YSR50

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains...

The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology both internally and externally Shorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving the muffler closer to...

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains...

The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology both internally and externally Shorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving the muffler closer to...

The Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology™ both internally and externally In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering -...

The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology both internally and externally Shorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving the muffler closer to...

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains...

The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology both internally and externally Shorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving the muffler closer to...