FMF FACTORY 4.1 RCT TITANIUM EXHAUST SYSTEM for YAMAHA Models

  • Sale
  • $989.95
  • Regular price $1,049.99


Factory 4.1 RCT TITANIUM for YAMAHA Models

Made for:  WR250F, YZ250F, YZ250FX, WR450F, YZ450F, YZ450FX​

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)
  • FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.
  • Carbon fiber end caps.

CHOOSE your MODEL and YEAR and MATERIAL in the drop-down tab for the perfect fit..