| Specification | Value |
|---|---|
| Riding Style | Off-Road |
| Pipe Material | Stainless Steel |
| Product Name | Exhaust System |
| Type | Full System |
| End Cap Material | Carbon Fiber |
| Muffler Material | Aluminum |
| Units | Each |
| Model | Factory 4.1 RCT |
| Muffler Color/Finish | Raw |
- The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology both internally and externally
- Shorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving 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 manufactured 100% at their Southern California factory
- Massive Power gains throughout the RPM range.
- Huge weight savings
- New RTS (Rapid Tuning System)
- Includes MegaBomb header
- Includes spark arrestor screen insert
FITMENTS
| Year | Make | Model |
|---|---|---|
| 2019-2023 | Yamaha | YZ450FX |
| 2020-2022 | Yamaha | YZ450F |
- MAP:
- Yes
