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FMF Racing Honda CRF450X / RX 21-26 SS Aluminum Factory 4.1 RCT Complete System w/ TI MB Header

Awaiting stock, shipping soon


Regular price $1,049.99
Sale price $1,049.99 Regular price
Shipping calculated at checkout.


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.

  • Highest-quality proprietary blend of alloy grade titanium
  • Blue anodized titanium muffler with carbon end cap
  • Massive power gains throughout the RPM range
  • Rapid Tuning System (RTS)

This Part Fits:

Year Make Model Submodel
2021-2025 Honda CRF450R Base
2022-2024 Honda CRF450R-S Base
2021-2025 Honda CRF450RL Base
2021-2025 Honda CRF450RWE Base
2021-2025 Honda CRF450RX Base
2021 Kawasaki KX250F Base



FMF Racing Honda CRF450X / RX 21-26 SS Aluminum Factory 4.1 RCT Complete System w/ TI MB Header

$1,049.99

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