Description
Features
- Incorporates FMF Resonance Chamber Technology both internally and externally
- Shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering, moving the muffler closer to the motor to centralize mass
- Constructed from only aerospace grade materials that meet exacting specifications and is manufactured 100% at the southern California factory
- Spark arrestor screen insert included
- 94dB insert included
- For closed course competition only
| Position | Notes | |||
|---|---|---|---|---|
| 2024-2025 | Yamaha | YZ450FX | - | - |
| 2023-2025 | Yamaha | YZ450F | - | - |
| 2024 | Yamaha | WR450F | - | - |
