Features:
- The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain
- When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for you
- Strong and rugged, this aggressive pipe dishes out handfuls of torque and bottom to mid range pull needed for late model 200cc through 500cc machines and the rigors of the off road domain
- Super strong 18-gauge steel construction makes it GNARLY!
- O-Rings Included
- 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 |
2021 |
| RIEJU |
MR 250 |
2022 |
| RIEJU |
MR 250 |
2023 |
| RIEJU |
MR 300 |
2022 |
| RIEJU |
MR 300 |
2023 |
| 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 |