FMF Factory 4.1 RCT SL Slip-On Muffler #044453 fits Yamaha YZ250F/YZ250FX/WR250F
Product Details
The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, FMF achieved a shorter overall length that is less susceptible to crash damage. And, complementary to FMF's Factory Forward Engineering, moves the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet FMF's exacting specifications and is entirely manufactured at FMF's Southern California factory.
- Natural aluminum muffler sleeve with carbon fiber end cap
- Massive Power gains throughout the RPM range
- Huge weight savings compared to the stock muffler -RTS (Rapid Tuning System) allows for quick, easy changes of both, internal muffler packing and swapping out end cap inserts (sold separately)
- Fabricated using high-quality alloys made to FMF's specifications
- Meets AMA and FIM sound requirements
- FMF QuietCore 94 dB insert included
- USFS-approved spark arrestor included
- Made in the USA
Fit Guide
- Model
- Factory 4.1 RCT SL Slip-On Muffler
- Color
- Clear
- Country of Origin
- USA
- Finish
- Anodized
- Muffler End Cap
- Carbon Fiber
- Muffler Sleeve
- Aluminum
- USFS Spark Arrestor
- Yes
Product Fitment
This item fits the following applications:
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