FMFFactory 4.1 Rct Exhaust System Raw

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 motor to centralize mass


The Factory 4.1 RCT is constructed from only aerospace grade materials that meet FMF's exacting specifications and is manufactured 100% at their Southern California factory


Massive Power gains throughout the RPM range.


Huge weight savings


New RTS (Rapid Tuning System)


Includes MegaBomb header


Includes spark arrestor screen insert


NOTE: Will not pass 2025 FIM sound regulation