FMF Aluminum Factory 4.1 RCT (Slip-On) Carbon Fiber End Cap - 041517 - 2005-2009, 2012-2017 Honda CRF450X

FMF Aluminum Factory 4.1 RCT (Slip-On) Carbon Fiber End Cap - 041517 - 2005-2009, 2012-2017 Honda CRF450X

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The Factory 4.1 RCT incorporates the latest in 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 - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace-grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.

FMF Aluminum Factory 4.1 RCT (Slip-On) Carbon Fiber Rear End Cap:

• Engineered with patented RCT (Resonance Chamber Technology) for reduced noise and maximum power.
• Improved exhaust flow, power gains throughout range with RCT system's internal ducts
• FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
• Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
• Compatible with stock header or FMF header
• Meet AMA and FIM sound requirements
• Quiet Core 94db insert included
• Spark arrestor included in muffler
• Made in the U.S.A.
• Fitment - 2005-2009, 2012-2017 Honda CRF450X