STAINLESS STEEL ALUM. FACT-4.1 RCT W/R.CARBON CAP FULL SYSTEM 044499

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.

-Full system - Stainless MegaBomb header with Aluminum Factory 4.1 RCT muffler

-Made specific for 2027 Yamaha YZ250F

-Available in Gun Metal Anodized muffler with black carbon fiber end cap

-Massive Power gains throughout the RPM range

-Huge weight savings over stock system

-New RTS (Rapid Tuning System)

-Same championship winning design only with Stainless/Aluminum construction

-Includes removable sound insert (AMA compliant)

-Comes with PowerFill Factory Packing

-Made from the highest quality blend of stainless steel specifically for FMF