Description
Features
- The Factory Fatty is reminiscent of the works or cone pipe once used by Factory Teams and it shares many of the same characteristics with its craftsmanship and material quality
 - Broadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev
 - No matter what type of riding you do, the Fatty has the benefits youre looking for
 - Lighter 20 gauge steel used for the body of the pipe
 - 19 Gauge steel used for the header portion
 - Hand pounded seams for smooth flow transitions
 
| Position | Notes | |||
|---|---|---|---|---|
| 2002-2018 | Yamaha | YZ85 | - | - |