The most copied pipe in the world and #1 best seller for FMF, the Fatty broadens the powerband and provides significant increases throughout.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2010 | KTM | 125 SX | Base |
| 2007-2008 | KTM | 144 SX | Base |
| 2008-2010 | KTM | 150 SX | Base |
