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:
| HONDA |
TRX 400 EX |
2001 |
| HONDA |
TRX 400 EX |
2000 |
| HONDA |
TRX 400 EX |
1999 |
| HONDA |
TRX 400 EX |
2002 |
| HONDA |
TRX 400 EX |
2004 |
| HONDA |
TRX 400 EX |
2003 |
| HONDA |
TRX 400 EX |
2006 |
| HONDA |
TRX 400 EX |
2007 |
| HONDA |
TRX 400 EX |
2005 |
| HONDA |
TRX 400 EX |
2008 |
| HONDA |
TRX 400 X |
2012 |
| HONDA |
TRX 400 X |
2013 |
| HONDA |
TRX 400 X |
2014 |
| HONDA |
TRX 400 X |
2010 |
| HONDA |
TRX 400 X |
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 |
| HONDA |
TRX |
2004 |
Fourtrax Rancher AT |
400 |
| HONDA |
TRX |
1999 |
Fourtrax Foreman |
400 |
| HONDA |
TRX |
2000 |
Fourtrax Foreman |
400 |
| HONDA |
TRX |
2000 |
Fourtrax |
400 |
| HONDA |
TRX |
2001 |
Fourtrax |
400 |
| HONDA |
TRX |
2002 |
Sportrax |
400 |
| HONDA |
TRX |
2003 |
Sportrax |
400 |
| HONDA |
TRX |
2004 |
Sportrax |
400 |
| HONDA |
TRX |
2005 |
Sportrax |
400 |
| HONDA |
TRX |
2005 |
Fourtrax Rancher AT |
400 |
| HONDA |
TRX |
2001 |
Fourtrax Foreman |
400 |
| HONDA |
TRX |
2002 |
Fourtrax Foreman |
400 |
| HONDA |
TRX |
2006 |
Fourtrax Rancher AT |
400 |
| HONDA |
TRX |
2007 |
Fourtrax Rancher AT |
400 |
| HONDA |
TRX |
2007 |
Sportrax |
400 |
| HONDA |
TRX |
2006 |
Sportrax |
400 |
| HONDA |
TRX |
2008 |
Fourtrax Rancher AT |
400 |
| HONDA |
TRX |
2008 |
Sportrax |
400 |
| HONDA |
TRX |
2009 |
Sportrax |
400 |
| HONDA |
TRX |
2012 |
Sportrax |
400 |
| HONDA |
TRX |
2013 |
Sportrax |
400 |
| HONDA |
TRX |
2014 |
Sportrax |
400 |
| HONDA |
TRX |
1999 |
Fourtrax |
400 |
| HONDA |
TRX |
2003 |
Fourtrax Foreman |
400 |
| HONDA |
TRX |
2010 |
Sportrax |
400 |