Features:
- Produces long header torque and short header over-rev
- Reduces sound output as much as 1.5dB
- Increases output from stock motor as much as 3hp
- Made from premium American materials
- NOTE: Will not pass 2025 FIM sound regulation
Fit the models:
| HUSQVARNA |
FC 250 |
2016 |
| HUSQVARNA |
FC 250 |
2017 |
| HUSQVARNA |
FC 250 |
2018 |
| HUSQVARNA |
FC 350 |
2018 |
| HUSQVARNA |
FC 350 |
2017 |
| HUSQVARNA |
FC 350 |
2016 |
| HUSQVARNA |
FX 350 |
2017 |
| HUSQVARNA |
FX 350 |
2018 |
| KTM |
SX-F 250 |
2018 |
| KTM |
SX-F 250 |
2017 |
| KTM |
SX-F 250 |
2016 |
| KTM |
SX-F 250 |
2015 |
| KTM |
SX-F 350 |
2018 |
| KTM |
SX-F 350 |
2017 |
| KTM |
SX-F 350 |
2016 |
| KTM |
XC-F 250 |
2016 |
| KTM |
XC-F 250 |
2017 |
| KTM |
XC-F 250 I |
2018 |
| KTM |
XC-F 350 I |
2018 |
| KTM |
XC-F 350 I |
2017 |
| KTM |
XC-F 350 I |
2016 |

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 |
| KTM |
SX-F |
2015 |
|
250 |
| KTM |
SX-F |
2015 |
Factory Edition |
250 |
| KTM |
SX-F |
2016 |
|
350 |
| KTM |
XC-F |
2016 |
|
250 |
| KTM |
XC-F |
2016 |
|
350 |
| HUSQVARNA |
FC |
2016 |
|
250 |
| HUSQVARNA |
FC |
2016 |
|
350 |
| KTM |
SX-F |
2016 |
|
250 |
| KTM |
SX-F |
2016 |
Factory Edition |
250 |
| KTM |
SX-F |
2017 |
|
350 |
| KTM |
SX-F |
2017 |
|
250 |
| KTM |
XC-F |
2017 |
|
350 |
| KTM |
XC-F |
2017 |
|
250 |
| HUSQVARNA |
FC |
2017 |
|
250 |
| HUSQVARNA |
FC |
2017 |
|
350 |
| HUSQVARNA |
FX |
2017 |
|
350 |
| KTM |
SX-F |
2017 |
Factory Edition |
250 |
| KTM |
SX-F |
2018 |
|
350 |
| KTM |
SX-F |
2018 |
|
250 |
| HUSQVARNA |
FC |
2018 |
|
250 |
| HUSQVARNA |
FC |
2018 |
|
350 |
| HUSQVARNA |
FX |
2018 |
|
350 |
| KTM |
XC-F |
2018 |
|
350 |
| KTM |
XC-F |
2018 |
|
250 |