The FMF Factory Fatty Pipe is a head pipe for motorcycle, dirt bike and MX riders who want to upgrade their exhaust. It is designed to be installed as part of a complete exhaust setup.

• Brand: FMF
• Product: Factory Fatty Pipe
• Manufacturer SKU: 024073
• Part Number: 1820-1851
• Category: Head Pipes

Always check the manufacturer's fitment information to confirm compatibility with your bike before ordering. Always follow local laws, including noise and spark arrestor requirements, when installing and using this product.

• 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

  2019-2026

  Yamaha

  YZ85