Fatty Exhaust Pipe 00-01 Honda CR 250 R - FMF 020378
The FMF Racing Fatty Gold Series pipe is engineered for superior race performance and reliability, drawing on over 35 years of racing heritage. This exhaust enhances power delivery across the entire rev range, providing smoother, more manageable power with notable gains in low-end torque, midrange, and top-end over-rev. Built from robust carbon steel and finished with a durable nickel plating, the Fatty is designed for all types of riding conditions, offering consistent performance and extended service life. It broadens and smooths the power curve for enhanced throttle control and delivers power increases across low, mid, and top-end revs. The pipe features strong carbon steel construction with nickel-plated finish for durability and corrosion resistance. FMF Racing Tru-Flo stamping technology ensures a precise fit and optimal flow. It is compatible with both FMF and stock mufflers unless specified otherwise and includes O-rings for straightforward installation. This is FMF's most popular two-stroke expansion chamber. FMF Item ID: 020378. Type: Two-stroke expansion pipe. Weight: 5.1 lbs (2.3 kg). Material: Carbon steel, nickel plating.
- SKU
- 07-122.FMF.FAT
- Brand
- FMF Exhausts
- Availability
- In Stock (4)
FULL DESCRIPTION
FMF Fatty Gold Series Exhaust Pipe
Engineered with over 35 years of racing heritage, the FMF Fatty Gold Series pipe is designed for superior race performance and reliability. This exhaust system enhances power delivery across the entire rev range, providing smoother, more manageable power with notable gains in low-end torque, midrange, and top-end over-rev. Constructed from robust carbon steel and finished with a durable nickel plating, the Fatty is built to withstand various riding conditions, offering consistent performance and an extended service life.
Key Features:
- Broadens and smooths the power curve for enhanced throttle control
- Delivers power increases across low, mid, and top-end revs
- Strong carbon steel construction with nickel-plated finish for durability and corrosion resistance
- FMF Racing Tru-Flo stamping technology ensures a precise fit and optimal flow
- Compatible with both FMF and stock mufflers (unless specified otherwise)
- Includes O-rings for straightforward installation
- Considered the most popular FMF two-stroke expansion chamber
Specifications:
- Type: Two-stroke expansion pipe
- Weight: Approximately 5.1 lbs (2.3 kg)
- Material: Carbon steel with nickel plating


