10-13 YZ250F F4.1 ALUM. SS, FMF 044389 FACTORY SILENCER

Yamaha
YZ 250 F 2011-2012

Part No. 06-1755.FMF.FAS (oro2u.com)

FMF 044389

- Incorporating Resonance Chamber Technology.
- Patented core shape lowers sound level while maintaining maximum power output.
- Patented canister shape increases internal volume for more sound absorbing material.
- Patented chamber design to enhance and refine exhaust pressure.
- Factory Forward Engineering centralizes mass and is less prone to crash damage.
- Tuned exhaust with optimized core specifications for each application.
- Comes with the quality, craftsmanship and performance expected from FMF.
- Meets AMA and FIM sound requirements. QuietCore 94db insert included.
- Spark arrestor included in muffler.
-Built 100% in the U.S.A. at FMFs state-of-the-art-factory.
- Maintenance made easy with the removal of 4 screws on the front end cap.
- Compatible with stock or FMF header.
- Notice: For Closed Course Competition Use Only. Not Intended