Features:
- Rapid Tuning System (RTS)
- Shorter overall length that is less susceptible to crash damage
- Massive Power gains throughout the RPM range.
- Huge weight savings
- NOTE: Will not pass 2025 FIM sound regulation
Fit the models:
| HONDA |
CRF 450 X |
2020 |
| HONDA |
CRF 450 X |
2021 |
| HONDA |
CRF 450 X |
2022 |
| HONDA |
CRF 450 X |
2023 |
| HONDA |
CRF 450 X |
2024 |
| HONDA |
CRF 450 X |
2025 |
| HONDA |
CRF 450 X |
2019 |

FMF - Flying Machine Factory - 1973 was founded by a twenty-two-year-old named Donny Emler, a typical Southern Californian who, like everyone else in the 1970s, found a passion for riding and racing dirt bikes. FMF is now one of the most recognizable logos in motocross. The main area of FMF is the highest quality exhaust systems for dirt bikes.
| Brand |
Model |
Year |
Name |
CC |
| HONDA |
CRF |
2019 |
Enduro |
450 |
| HONDA |
CRF |
2019 |
|
450 |
| HONDA |
CRF |
2019 |
Works Edition |
450 |
| HONDA |
CRF |
2019 |
|
450 |
| HONDA |
CRF |
2019 |
|
450 |
| HONDA |
CRF |
2019 |
|
450 |
| HONDA |
CRF |
2019 |
|
450 |
| HONDA |
CRF |
2020 |
|
450 |
| HONDA |
CRF |
2020 |
|
450 |
| HONDA |
CRF |
2020 |
|
450 |
| HONDA |
CRF |
2020 |
|
450 |
| HONDA |
CRF |
2020 |
|
450 |
| HONDA |
CRF |
2021 |
|
450 |
| HONDA |
CRF |
2021 |
Works Edition |
450 |
| HONDA |
CRF |
2021 |
|
450 |
| HONDA |
CRF |
2021 |
|
450 |
| HONDA |
CRF |
2021 |
|
450 |
| HONDA |
CRF |
2020 |
Works Edition |
450 |
| HONDA |
CRF |
2022 |
|
450 |
| HONDA |
CRF |
2022 |
|
450 |
| HONDA |
CRF |
2022 |
Works Edition |
450 |
| HONDA |
CRF |
2022 |
|
450 |
| HONDA |
CRF |
2022 |
|
450 |
| HONDA |
CRF |
2022 |
|
450 |
| HONDA |
CRF |
2023 |
|
450 |
| HONDA |
CRF |
2023 |
|
450 |
| HONDA |
CRF |
2023 |
50th Anniversary |
450 |
| HONDA |
CRF |
2023 |
|
450 |
| HONDA |
CRF |
2023 |
|
450 |
| HONDA |
CRF |
2023 |
|
450 |
| HONDA |
CRF |
2024 |
|
450 |
| HONDA |
CRF |
2024 |
|
450 |
| HONDA |
CRF |
2024 |
|
450 |
| HONDA |
CRF |
2023 |
Works Edition |
450 |
| HONDA |
CRF |
2024 |
Works Edition |
450 |
| HONDA |
CRF |
2024 |
|
450 |
| HONDA |
CRF |
2024 |
|
450 |