FMF RACING 4.1 TITANIUM SLIP ON SILENCER - 044445 - YAMAHA 18-25 YZ450F / 19-25 YZ450FX / 19-25 WR450F

Mfg Part#-044445

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 Carbon 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 specifically to their standards.

Fits the following models:

Yamaha

18-25 YZ450F

19-25 YZ450FX

19-25 WR450F