Description
If you’re running a stock exhaust pipe, you’re leaving power on the table across your entire RPM range. The FMF Factory Fatty delivers a broader, smoother power curve with measurable gains in low-end torque, mid-range response, and top-end over-rev—giving you the performance characteristics that Factory Teams have relied on for decades. Built with the same hand-crafted precision and material quality as legendary works pipes, this is a straightforward bolt-on upgrade that transforms how your bike accelerates and responds.
- Hand-pounded seams throughout
- 20 gauge steel body
- 19 gauge steel header
- Broadens entire power band
- Increased low-end torque
- Improved mid-range response
- Enhanced over-rev capability
- Smooth flow transitions
- Lightweight construction
- Factory-inspired design
- Bolt-on installation
- MPN: 025243
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