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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Available with or without built-in braces
Tested and ran by Chad Wienen
Engineered with the highest quality materials and components
all orders are custom built and have a 2-3 week turn around time
FMF Yamaha YFZ 450R Factory 4.1 RCT Slip-On Exhaust System FMF Yamaha YFZ 450R Factory 4.1 RCT Slip-On Exhaust System Available with or without built-inFeatures: The 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