The FMF Factory 4.1 RCT slip-on muffler delivers massive power gains across the RPM range with huge weight savings. Built from aerospace-grade titanium with a carbon fiber end cap, it’s designed shorter and tucked closer to the engine to help reduce crash damage and centralize mass.
Boost performance and shed weight with the FMF Factory 4.1 RCT Slip-On Muffler. This premium slip-on is engineered to deliver massive power gains throughout the RPM range while significantly reducing overall weight. Thanks to its shorter design and FMF’s Factory Forward Engineering, the muffler sits closer to the motor to help centralize mass and reduce the chance of crash damage.
Whether you’re chasing stronger throttle response out of corners or simply want a lighter, race-ready exhaust setup, the Factory 4.1 RCT is built to make your bike feel sharper, faster and more controlled.
