FMF Racing

FMF Racing Factory 4.1 RCT Aluminum Slip-On

$637.99

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Regular price $637.99
Sale price $637.99 Regular price $674.99

Up to $37 off

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 Factory 4.1 RCT Aluminum Slip-On


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, N/A, false, t, false, 1


BRAND: FMF Racing


MPN: 044464


SKU: 613633


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

FMF Racing Factory 4.1 RCT Aluminum Slip-On

$637.99


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