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 especially to our standards.
Notice: Closed Course Use Only
Item ID: 044457
Type: System
Configuration: Single
Const: Titanium
Finish: Blue Anodized
Midpipe: Titanium
Endcap: Carbon
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: 94dB Insert (included)
Header Const: Titanium
Header Type: MegaBomb
Weight: 10.6 lbs.
Make | Model | Year |
---|---|---|
YAMAHA | WR250F | 23-24 |
YAMAHA | YZ250F | 19-25 |
YAMAHA | YZ250FX | 20-25 |