Features:
- Utilize FMF's patented module precisely located at the initial stage of the header
- Position "Bomb" increases performance; horsepower is increased as much as 10%
- Act as "pre-muffler" helping to lower the decibel output
- The expansion and contraction of exhaust sonics through the system causes increased flow
- NOTE: Will not pass 2025 FIM sound regulation
Fit the models:
| BETA |
RR 400 |
2010 |
| BETA |
RR 400 |
2011 |
| BETA |
RR 400 |
2012 |
| BETA |
RR 400 |
2013 |
| BETA |
RR 430 |
2015 |
| BETA |
RR 430 EFI |
2016 |
| BETA |
RR 430 EFI |
2017 |
| BETA |
RR 430 EFI |
2018 |
| BETA |
RR 450 |
2013 |
| BETA |
RR 450 |
2014 |
| BETA |
RR 450 |
2011 |
| BETA |
RR 450 |
2012 |
| BETA |
RR 450 |
2010 |
| BETA |
RR 480 |
2015 |
| BETA |
RR 480 EFI |
2016 |
| BETA |
RR 480 EFI |
2017 |
| BETA |
RR 480 EFI |
2018 |
| BETA |
RR 498 |
2014 |
| BETA |
RR 498 |
2012 |
| BETA |
RR 498 |
2013 |
| BETA |
RR 520 |
2012 |
| BETA |
RR 520 |
2011 |
| BETA |
RR 520 |
2010 |

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 |
2010 |
|
400 |
| BETA |
RR |
2010 |
|
450 |
| BETA |
RR |
2010 |
|
520 |
| BETA |
RR |
2011 |
|
400 |
| BETA |
RR |
2011 |
|
450 |
| BETA |
RR |
2011 |
|
520 |
| BETA |
RR |
2011 |
Supermotard |
400 |
| BETA |
RR |
2011 |
Supermotard |
450 |
| BETA |
RR |
2011 |
Supermotard |
520 |
| BETA |
RR |
2012 |
|
400 |
| BETA |
RR |
2012 |
|
450 |
| BETA |
RR |
2012 |
|
498 |
| BETA |
RR |
2013 |
|
400 |
| BETA |
RR |
2013 |
|
450 |
| BETA |
RR |
2013 |
|
498 |
| BETA |
RR |
2014 |
|
450 |
| BETA |
RR |
2014 |
|
498 |
| BETA |
RR |
2014 |
|
450 |
| BETA |
RR |
2015 |
|
430 |
| BETA |
RR |
2015 |
|
480 |
| BETA |
RR |
2015 |
Racing |
430 |
| BETA |
RR |
2015 |
Racing |
480 |
| BETA |
RR |
2016 |
|
430 |
| BETA |
RR |
2016 |
|
480 |
| BETA |
RR |
2016 |
Racing |
430 |
| BETA |
RR |
2016 |
Racing |
480 |
| BETA |
RR |
2017 |
|
430 |
| BETA |
RR |
2017 |
|
480 |
| BETA |
RR |
2017 |
Racing |
430 |
| BETA |
RR |
2017 |
Racing |
480 |
| BETA |
RR |
2018 |
Racing |
430 |
| BETA |
RR |
2018 |
|
480 |
| BETA |
RR |
2018 |
|
430 |
| BETA |
RR |
2018 |
Racing |
480 |
| BETA |
RR |
2011 |
Factory |
400 |
| BETA |
RR |
2011 |
Factory |
450 |
| BETA |
RR |
2011 |
Factory |
520 |
| BETA |
RR |
2012 |
|
520 |
| BETA |
RR |
2014 |
Racing |
498 |