FMF Factory 4.1 RCT Muffler - Aluminum KX450F 2016-2018 042330 1821-1726 X-Future Handguards and the swing-arm pivot on

and the swing-arm pivot on the 2009-2014 Yamaha R1

New chassis design is very flexible to promote performance fit and ease of gripping

Hydration kit compatibility

Designed to fit all 60-100cc modelsProtection on both sides of the front brake and clutch lever

step up to the carbon fiber model

FMF Factory 4.1 RCT Muffler - Aluminum KX450F 2016-2018 042330 1821-1726 X-Future Handguards and the swing-arm pivot onThe Factory 4. 1 RCT incorporates FMF's Resonance Chamber Technology both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at their