FMF Racing

FMF Racing Yamaha YZ450F 24-25 Anod Fact 4.1 RCT w/ R. Carbon Cap Comp Sys w/TI MB Header/ Mid Pipe

$1,374.99

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Regular price $1,374.99
Sale price $1,374.99 Regular price $1,374.99

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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.


  • 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)



FMF Racing Yamaha YZ450F 24-25 Anod Fact 4.1 RCT w/ R. Carbon Cap Comp Sys w/TI MB Header/ Mid Pipe


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)


ATTRIBUTES: false, false, false, Unknown, powersports, Compliant, false, t, 1


BRAND: FMF Racing


MPN: 044478


SKU: 680954


Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: Compliant
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1


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