FMF 020020 Fatty Pipe Expansion Chamber for Honda - CR250R

The FMF Fatty Pipe is a legendary expansion chamber designed for the Honda CR250R (1997-1999). Known as the most copied pipe in the motocross world, the Fatty delivers proven performance enhancements that have made it an industry standard for two-stroke racing.

Key Features:

• Broader, smoother powerband for improved rideability across the RPM range
• Durable nickel-plated finish resists corrosion and maintains appearance
• Includes replacement O-rings for hassle-free installation
• 100% manufactured in the USA with FMF Racing's renowned quality standards
• Time-tested design that has set the benchmark for aftermarket expansion chambers

The Fatty Pipe's design optimizes exhaust flow to enhance mid-range power while smoothing out power delivery, making it ideal for riders seeking better throttle control and more usable power throughout the powerband. This is a direct bolt-on replacement that maintains OEM fitment.