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 you’re 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
 
Specifications:
- Product Name: Pipe
 - Type: Exhaust
 - Model: Factory Fatty
 - Material: Steel
 - Weight: 3.5 lb
 - Units: Each
 - Riding Style: Off-Road
 
Fitment:
| Year | Make | Model | 
| 2020 | Yamaha | YZ 125 X | 
| 2021 | Yamaha | YZ 125 X | 
- Availability:
 - STG Part Number:
 - F|1506-024052|1
 - Manufacturer's Part Number:
 - 8