Features:
- Hi-Flo end cap boosts all-around performance
- Computer-designed and dyno-tested for every 4-stroke application
- Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power
- A stainless steel mid-pipe mates to the computer-designed rear can for lightweight durability
- Round perforated steel inner cores make for optimum flow, using hi-flo technology
- FMF's exclusive cross-weave internal packing provides longevity and maximum sound dispersion
- Elliptical aluminum can offers strategic sizing for superior performance
- Optional Quiet Core insert will provide a decrease in sound level if desired
- Includes removable spark arrestor
- NOTE: Will not pass 2025 FIM sound regulation
Fit the models:
| KAWASAKI |
KX 250 |
2024 |
| KAWASAKI |
KX 250 |
2021 |
| KAWASAKI |
KX 250 |
2022 |
| KAWASAKI |
KX 250 |
2023 |
| KAWASAKI |
KX 250 X |
2024 |
| KAWASAKI |
KX 250 X |
2023 |
| KAWASAKI |
KX 250 X |
2021 |
| KAWASAKI |
KX 250 X |
2022 |

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 |
| KAWASAKI |
KX |
2021 |
|
250 |
| KAWASAKI |
KX |
2021 |
Cross Country |
250 |
| KAWASAKI |
KX |
2022 |
|
250 |
| KAWASAKI |
KX |
2022 |
Cross Country |
250 |
| KAWASAKI |
KX |
2023 |
|
250 |
| KAWASAKI |
KX |
2023 |
Cross Country |
250 |
| KAWASAKI |
KX |
2024 |
|
250 |
| KAWASAKI |
KX |
2024 |
Cross Country |
250 |
| KAWASAKI |
KX |
2024 |
50th Anniversary |
250 |