Fatty Exhaust Pipe 89-01 Honda CR 500 R - FMF 021058
The FMF Racing Fatty 021058 Gold Series exhaust is engineered to provide significant improvements across the entire power band. Designed for two-stroke machines, the Fatty delivers more tractable power and improved throttle control, ensuring enhanced low-end, mid, and top-end performance. Precision-crafted using carbon steel with a nickel-plated finish, this exhaust offers outstanding durability and a perfect fit. The Fatty 021058 features FMF’s Tru-Flo stamping process for a precise fit and is compatible with both FMF and stock silencers. It is renowned as FMF’s most popular two-stroke exhaust pipe and is supplied with O-rings for easy installation. Item ID: 021058. Type: Pipe. Weight: 6.0 lbs. Carb Warning: No.
- SKU
- 07-173.FMF.FAT
- Brand
- FMF Exhausts
- Availability
- In Stock (9)
FULL DESCRIPTION
FMF Racing Fatty Gold Series Exhaust Pipe
Experience over 35 years of racing innovation with the FMF Racing Fatty Gold Series exhaust pipe. Engineered for two-stroke engines, this exhaust is designed to significantly enhance performance across the entire power band, delivering more usable power and improved throttle response. You can expect increased low-end, mid-range, and top-end performance.
Precision crafted from high-quality carbon steel, the Fatty exhaust features a durable nickel-plated finish for longevity and a premium look. The Tru-Flo stamping process ensures a precise fit, making installation straightforward. This exhaust is renowned as FMF’s most popular two-stroke option and is compatible with both FMF and OEM silencers.
Key Features:
- Delivers consistent, race-proven performance across the full power band.
- Broadens and smooths the power curve for greater throttle control.
- Constructed from carbon steel with a durable nickel-plated finish.
- Features FMF’s Tru-Flo stamping process for a precise fit.
- Compatible with both FMF and stock silencers.
- Supplied with O-rings for easy installation.
- Recognized as FMF’s most popular two-stroke exhaust pipe.
Specifications:
- Item ID: 021058
- Type: Pipe
- Weight: 6.0 lbs
- Carb Warning: No


