🎉 Up to 70% Off Selected ItemsShop Sale
HomeStore

FMF Factory 4.1 Mini (slip-on) | 19+ CRF125F

Product image 1
1 / 2

FMF Factory 4.1 Mini (slip-on) | 19+ CRF125F

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.

  • Available in Blue Anodized Titanium Muffler with Titanium End Cap
  • Massive Power gains throughout the RPM range.
  • Huge weight savings
  • New RTS (Rapid Tuning System)
  • FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.
Fitment:
  • 19-Present CRF125F
  • 19-Present CRF125F (Big Wheel)
    Select Select One
    From $94.50

    Original: $269.99

    -65%
    FMF Factory 4.1 Mini (slip-on) | 19+ CRF125F—

    $269.99

    $94.50

    Product Information

    Shipping & Returns

    Description

    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.

    • Available in Blue Anodized Titanium Muffler with Titanium End Cap
    • Massive Power gains throughout the RPM range.
    • Huge weight savings
    • New RTS (Rapid Tuning System)
    • FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.
    Fitment:
    • 19-Present CRF125F
    • 19-Present CRF125F (Big Wheel)