Features:
- Built to provide excellent power for today’s tracks geared toward 4-stroke machines
- Smooth power curve throughout the RPM range
- Large diameter canister for more tenability and longer lasting packing life
- Delivers a crisp, notable sound
- Optimally designed to complement performance of FMF pipes; can be used with stock header pipe or FMF header pipes
- NOTE: Will not pass 2025 FIM sound regulation
Fit the models:
| BETA |
RR 200 |
2024 |
| BETA |
RR 200 |
2020 |
| BETA |
RR 200 |
2021 |
| BETA |
RR 200 |
2023 |
| BETA |
RR 200 |
2022 |
| BETA |
RR 250 |
2024 |
| BETA |
RR 250 |
2020 |
| BETA |
RR 250 |
2022 |
| BETA |
RR 250 |
2021 |
| BETA |
RR 250 |
2023 |
| BETA |
RR 250 |
2025 |
| BETA |
RR 300 |
2024 |
| BETA |
RR 300 |
2020 |
| BETA |
RR 300 |
2021 |
| BETA |
RR 300 |
2022 |
| BETA |
RR 300 |
2023 |
| BETA |
RR 300 |
2025 |
| BETA |
RX 300 |
2024 |
| BETA |
RX 300 |
2023 |
| BETA |
RX 300 |
2022 |
| BETA |
RX 300 |
2025 |
| BETA |
RX 300 |
2021 |

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 |
| BETA |
RR |
2020 |
|
200 |
| BETA |
RR |
2020 |
Oil mix |
250 |
| BETA |
RR |
2020 |
Oil mix |
300 |
| BETA |
RR |
2020 |
Racing |
250 |
| BETA |
RR |
2020 |
Racing |
300 |
| BETA |
RR |
2020 |
Oil mix |
200 |
| BETA |
RR |
2021 |
Oil mix |
200 |
| BETA |
RR |
2021 |
Oil mix |
250 |
| BETA |
RR |
2021 |
Oil mix |
300 |
| BETA |
RX |
2021 |
2T |
300 |
| BETA |
RR |
2021 |
Racing |
200 |
| BETA |
RR |
2021 |
Racing |
250 |
| BETA |
RR |
2021 |
Racing |
300 |
| BETA |
RR |
2022 |
Oil mix |
200 |
| BETA |
RR |
2022 |
Oil mix |
250 |
| BETA |
RR |
2022 |
Oil mix |
300 |
| BETA |
RR |
2022 |
Racing |
200 |
| BETA |
RR |
2022 |
Racing |
250 |
| BETA |
RR |
2022 |
Racing |
300 |
| BETA |
RR |
2023 |
Oil mix |
200 |
| BETA |
RR |
2023 |
Racing |
200 |
| BETA |
RR |
2023 |
Oil mix |
250 |
| BETA |
RR |
2023 |
Racing |
250 |
| BETA |
RR |
2023 |
Oil mix |
300 |
| BETA |
RR |
2023 |
Racing |
300 |
| BETA |
RX |
2022 |
2T |
300 |
| BETA |
RX |
2023 |
2T |
300 |
| BETA |
RX |
2024 |
2T |
300 |