FMF Factory 4.1 RCT Anodized Full System/ Carbon End Cap

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FMF Factory 4.1 RCT Anodized Full System/ Carbon End Cap

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.

  • Massive Power gains throughout the RPM range
  • Huge weight savings
  • New RTS (Rapid Tuning System)
  • Includes screen type spark arrestor
  • The highest quality proprietary blend of alloy grade titanium made especially to our standards
  • Quiet insert sold separately

    Included Items:
    (1) Titanium muffler with carbon fiber endcap
    (1) Stainless steel rear head pipe
    (1) Stainless steel front head pipe with sleeve
    (2) Springs
    (1) Aluminum spacer
    (1) 8mm-1.25 x 45mm flange head bolt
    (1) 8mm-1.25 x 30mm hex head bolt
    (1) 8mm-1.25 flange nut
    (1) Lock ring
    (1) Spark arrestor pipe
    (1) Rubber wash plug
    Instructions
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    • Item # 829844
    • SKU #
    • Mfr. Part #

    FitmentView All

    Yamaha Models

    • YFZ450R : 2009–2016
    • YFZ450R SE : 2014
    • YFZ450X : 2010–2011

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