FMF Factory Fatty Pipe - '13-'19 RR250/300 025157

If you're running a '13-'19 RR250/300 and want measurable power gains across the entire rev range, the FMF Factory Fatty Pipe delivers the low-end grunt, mid-range response, and top-end extension you need without compromising rideability. This isn't a one-trick pipe—it broadens your power curve smoothly, giving you usable performance whether you're trail riding or pushing hard on the track. Built with the same hand-crafted principles and material quality that defined factory race pipes, the Fatty combines proven engineering with lightweight construction.

• Hand-pounded seams
• Smooth flow transitions
• 20 gauge steel body
• 19 gauge steel header
• Lightweight construction
• Broadened power curve
• Increased low-end torque
• Enhanced mid-range response
• Improved over-rev capability
• Factory race heritage
• Bolt-on fitment
• RR250/RR300 specific ('13-'19)
• MPN: 025157