FMF 020042 Fatty Pipe Expansion Chamber - 2-Stroke

The FMF Racing Fatty Pipe is a legendary 2-stroke expansion chamber designed to deliver a broader, smoother powerband for riders who demand consistent performance across the RPM range. This expansion chamber has become the most copied pipe design in the world, setting the industry standard for quality and performance.

Key Features:

• Broader, smoother powerband for improved rideability
• Durable nickel-plated finish resists corrosion and wear
• Includes replacement O-rings for proper installation
• Precision-engineered design optimized for 2-stroke engines
• 100% made in the USA with premium materials

The Fatty Pipe's proven design enhances mid-range power delivery while maintaining top-end performance, making it an ideal choice for both competitive riders and recreational enthusiasts. The nickel-plated finish not only provides excellent durability but also gives your bike a professional, high-performance appearance.