11-13 YZ450F F4.1RCT Ti a Blue, FMF 044372 Factory Silencer, Nla

Yamaha
YZ 450 F 2011-2012

Part No. 06-1756.FMF.FTA

FMF 044372

- 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.
- 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.