Features:
- The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
- Less mass to enhance power-to-weight ratio
- Quiet power with minimal sacrifice for performance
- Developed over years of championship off-road racing
- Twin-stage core design for lower sound output and extended life of packing material
- Comes standard with spark arrestor
- NOTE: Will not pass 2025 FIM sound regulation
Fit the models:
| YAMAHA |
WR 250 F |
2007 |
| YAMAHA |
WR 250 F |
2008 |
| YAMAHA |
WR 250 F |
2009 |
| YAMAHA |
WR 250 F |
2010 |
| YAMAHA |
WR 250 F |
2011 |
| YAMAHA |
WR 250 F |
2012 |
| YAMAHA |
WR 250 F |
2013 |
| YAMAHA |
WR 450 F |
2011 |
| YAMAHA |
WR 450 F |
2007 |
| YAMAHA |
WR 450 F |
2008 |
| YAMAHA |
WR 450 F |
2010 |
| YAMAHA |
WR 450 F |
2009 |
| YAMAHA |
YZ 250 F |
2009 |
| YAMAHA |
YZ 250 F |
2007 |
| YAMAHA |
YZ 250 F |
2008 |
| YAMAHA |
YZ 250 F |
2006 |
| YAMAHA |
YZ 450 F |
2006 |
| YAMAHA |
YZ 450 F |
2008 |
| YAMAHA |
YZ 450 F |
2007 |
| YAMAHA |
YZ 450 F |
2009 |

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 |
| YAMAHA |
WR |
2007 |
|
250 |
| YAMAHA |
WR |
2008 |
|
250 |
| YAMAHA |
WR |
2008 |
|
250 |
| YAMAHA |
WR |
2008 |
|
250 |
| YAMAHA |
WR |
2009 |
|
250 |
| YAMAHA |
WR |
2009 |
|
250 |
| YAMAHA |
WR |
2009 |
|
250 |
| YAMAHA |
WR |
2010 |
|
250 |
| YAMAHA |
WR |
2010 |
|
250 |
| YAMAHA |
WR |
2010 |
|
250 |
| YAMAHA |
YZ |
2006 |
|
250 |
| YAMAHA |
YZ |
2006 |
|
250 |
| YAMAHA |
YZ |
2007 |
|
250 |
| YAMAHA |
YZ |
2007 |
|
250 |
| YAMAHA |
YZ |
2008 |
|
250 |
| YAMAHA |
YZ |
2008 |
|
250 |
| YAMAHA |
YZ |
2009 |
|
250 |
| YAMAHA |
WR |
2007 |
|
450 |
| YAMAHA |
WR |
2008 |
|
450 |
| YAMAHA |
WR |
2009 |
|
450 |
| YAMAHA |
WR |
2010 |
|
450 |
| YAMAHA |
YZ |
2006 |
|
450 |
| YAMAHA |
YZ |
2007 |
|
450 |
| YAMAHA |
YZ |
2008 |
|
450 |
| YAMAHA |
YZ |
2009 |
|
450 |
| YAMAHA |
YZ |
2009 |
|
250 |
| YAMAHA |
YZ |
2006 |
50th Anniversary Limited Edition |
250 |
| YAMAHA |
YZ |
2006 |
50th Anniversary |
450 |
| YAMAHA |
WR |
2008 |
|
250 |
| YAMAHA |
WR |
2008 |
|
250 |
| YAMAHA |
WR |
2009 |
|
250 |
| YAMAHA |
WR |
2010 |
|
250 |
| YAMAHA |
WR |
2009 |
|
250 |
| YAMAHA |
WR |
2010 |
|
250 |
| YAMAHA |
YZ |
2006 |
50th Anniversary Limited Edition |
450 |
| YAMAHA |
WR |
2011 |
|
450 |
| YAMAHA |
WR |
2007 |
|
250 |
| YAMAHA |
WR |
2011 |
|
250 |
| YAMAHA |
WR |
2011 |
|
250 |
| YAMAHA |
WR |
2011 |
|
250 |
| YAMAHA |
WR |
2011 |
|
250 |
| YAMAHA |
WR |
2007 |
|
450 |
| YAMAHA |
WR |
2008 |
|
450 |
| YAMAHA |
WR |
2009 |
|
450 |
| YAMAHA |
WR |
2010 |
|
450 |
| YAMAHA |
WR |
2011 |
|
450 |
| YAMAHA |
WR |
2008 |
|
250 |
| YAMAHA |
WR |
2009 |
|
250 |
| YAMAHA |
WR |
2010 |
|
250 |
| YAMAHA |
WR |
2011 |
|
250 |
| YAMAHA |
WR |
2011 |
|
250 |
| YAMAHA |
YZ |
2006 |
|
450 |
| YAMAHA |
YZ |
2007 |
|
450 |
| YAMAHA |
YZ |
2008 |
|
450 |
| YAMAHA |
YZ |
2009 |
|
450 |
| YAMAHA |
WR |
2012 |
|
250 |
| YAMAHA |
YZ |
2006 |
|
250 |
| YAMAHA |
YZ |
2009 |
|
250 |
| YAMAHA |
WR |
2012 |
|
250 |
| YAMAHA |
WR |
2012 |
|
250 |
| YAMAHA |
WR |
2012 |
|
250 |
| YAMAHA |
WR |
2012 |
|
250 |
| YAMAHA |
YZ |
2007 |
|
250 |
| YAMAHA |
YZ |
2008 |
|
250 |
| YAMAHA |
WR |
2013 |
|
250 |
| YAMAHA |
YZ |
2006 |
50th Anniversary Limited Edition |
250 |
| YAMAHA |
YZ |
2006 |
|
250 |
| YAMAHA |
YZ |
2007 |
|
250 |
| YAMAHA |
YZ |
2008 |
|
250 |
| YAMAHA |
YZ |
2009 |
|
250 |
| YAMAHA |
WR |
2013 |
|
250 |
| YAMAHA |
WR |
2013 |
|
250 |
| YAMAHA |
WR |
2013 |
|
250 |
| YAMAHA |
WR |
2013 |
|
250 |