Features:
- The all new PowerCore 2.1 silencer is proof FMF is totally committed to 2-stroke progression.
- FMF loves 2-strokes, they ride 2-strokes, and they are devoted to delivering superior power to the 2-stroke faithful.
- Race-tested, smooth power curve throughout the RPM range.
- Engineered to assault today's tracks and trails
- Larger diameter canister for more tunability and longer lasting packing life.
- Delivers a crisp, notable sound.
- Lighter than stock.
- Optimally designed to complement performance of FMF pipes; works and fits FMF or stock.
- NOTE: Will not pass 2025 FIM sound regulation
Fit the models:
| GAS GAS |
EC 250 |
2018 |
| GAS GAS |
EC 250 |
2019 |
| GAS GAS |
EC 250 E4 |
2018 |
| GAS GAS |
EC 250 E4 |
2019 |
| GAS GAS |
EC 300 |
2019 |
| GAS GAS |
EC 300 |
2018 |
| GAS GAS |
EC 300 E4 |
2018 |
| GAS GAS |
EC 300 E4 |
2019 |
| GAS GAS |
EC 300 RANGER |
2019 |
| GAS GAS |
EC 300 RANGER E4 |
2019 |
| GAS GAS |
XC 250 |
2019 |
| GAS GAS |
XC 250 |
2018 |
| GAS GAS |
XC 300 |
2018 |
| GAS GAS |
XC 300 |
2019 |
| RIEJU |
MR 250 |
2022 |
| RIEJU |
MR 250 |
2023 |
| RIEJU |
MR 250 |
2021 |
| RIEJU |
MR 300 |
2023 |
| RIEJU |
MR 300 |
2022 |
| RIEJU |
MR 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 |
| GAS GAS |
XC |
2018 |
|
250 |
| GAS GAS |
XC |
2018 |
|
300 |
| GAS GAS |
EC |
2018 |
|
250 |
| GAS GAS |
EC |
2018 |
|
300 |
| GAS GAS |
EC |
2018 |
|
250 |
| GAS GAS |
EC |
2018 |
|
300 |
| GAS GAS |
EC |
2019 |
|
250 |
| GAS GAS |
EC |
2019 |
|
250 |
| GAS GAS |
EC |
2019 |
|
300 |
| GAS GAS |
EC |
2019 |
|
300 |
| GAS GAS |
XC |
2019 |
|
250 |
| GAS GAS |
XC |
2019 |
|
300 |
| GAS GAS |
EC |
2019 |
|
300 |
| GAS GAS |
EC |
2019 |
|
300 |
| GAS GAS |
EC |
2019 |
Six Days Chile |
250 |
| GAS GAS |
EC |
2019 |
Six Days Chile |
300 |
| RIEJU |
MR |
2021 |
Pro |
250 |
| RIEJU |
MR |
2022 |
Pro |
250 |
| RIEJU |
MR |
2021 |
Pro |
300 |
| RIEJU |
MR |
2022 |
Pro |
300 |
| RIEJU |
MR |
2021 |
Racing |
250 |
| RIEJU |
MR |
2022 |
Racing |
250 |
| RIEJU |
MR |
2021 |
Racing |
300 |
| RIEJU |
MR |
2022 |
Racing |
300 |
| RIEJU |
MR |
2021 |
Ranger |
300 |
| RIEJU |
MR |
2022 |
Ranger |
300 |
| RIEJU |
MR |
2022 |
Six Days Italy |
300 |
| RIEJU |
MR |
2023 |
Pro |
250 |
| RIEJU |
MR |
2023 |
Pro |
300 |
| RIEJU |
MR |
2023 |
Racing |
250 |
| RIEJU |
MR |
2023 |
Racing |
300 |
| RIEJU |
MR |
2023 |
Ranger |
300 |
| RIEJU |
MR |
2023 |
Six Days France |
300 |