FMF 025241 Fatty Gold Series Expansion Chamber Pipe for 2-Stroke Dirt Bikes

The FMF Fatty Gold Series pipe is a race-proven 2-stroke expansion chamber with over 35 years of racing experience behind it, designed to broaden and smooth out the power curve while boosting gains throughout the entire power band. Known as the most copied pipe in the world, this exhaust delivers enhanced low-end, mid-range, and improved over-rev performance for any riding style.

Key Features:

• More tractable power with improved throttle control and power gains throughout the entire power band
• Constructed from carbon steel with a nickel plated finish for maximum durability
• FMF Racing's Tru-Flo stamping process ensures a perfect fit and optimum performance
• Includes replacement O-rings
• Can be used with FMF or stock silencer (unless noted)

Improved throttle response with a broader, smoother powerband and enhanced over-rev add up to a pipe that every kind of rider will benefit from. This expansion chamber is computer-designed and dyno-tested to deliver maximum performance gains where 2-stroke engines need them most.