$1,074.99
In stock
- 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.
Details
- Product Name
- Exhaust System
- Muffler Material
- Aluminum
- Units
- Each
- End Cap Color/Finish
- Black
- Pipe Material
- Stainless Steel
- End Cap Material
- Carbon Fiber
- Muffler Color/Finish
- Gray
- Model
- Factory 4.1 RCT
- Muffler Color/Finish
- Anodized
- Riding Style
- Off-Road
- Type
- Race
Fitment
Yamaha
- WR450F
- 2024–2026
- YZ450F
- 2023–2025
- YZ450FX
- 2024–2026