FMF FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON CAP – CRF250R/RX ’25-

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 Natural Aluminum 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 especially to their standards.

Notice:Closed Course Use Only
Item ID:041618
Type:Slip-On
Configuration:Single
Const:Aluminum
Finish:Gray Anodized
Midpipe:Stainless Steel
Endcap:Carbon
Spark Arrestor:Screen Insert (included)
Carb Warning:no
Quiet Insert:94dB Insert (included)