Fatty Exhaust Pipe 18-24 KTM Husqvarna GasGas 85 SX TC MC - FMF 025221
FMF Racing Fatty 025221 Gold Series pipe delivers broad, tractable power across the rev range. Engineered using premium carbon steel with a durable nickel-plated finish, the Fatty smoothes and amplifies power delivery from low-end to over-rev. FMF’s Tru-Flo stamping ensures precision fitment and optimal exhaust flow, with compatibility for both FMF and stock silencers. Features a broadened and smoothed power curve with improved throttle control and noticeable gains across the entire power band: increased low-end, midrange, and top-end. Constructed from carbon steel and finished with durable nickel plating for corrosion resistance. FMF Racing’s Tru-Flo stamping process guarantees accurate fit and maximum performance. Can be paired with either FMF or OEM silencers unless otherwise specified. O-rings included for proper sealing. This is FMF’s most popular 2-stroke expansion chamber. Item ID: 025221. Type: Pipes. Carb Warning: No. Weight: 3.0 lbs.
- SKU
- 07-M32.FMF.FAT
- Brand
- FMF Exhausts
- Availability
- In Stock (7)
FULL DESCRIPTION
FMF Fatty Exhaust Pipe - Premium 2-Stroke Performance
Unlock the full potential of your 2-stroke engine with the FMF Racing Fatty Gold Series pipe. Developed over 35 years of racing heritage, this expansion chamber is engineered to deliver a broad and tractable power band, enhancing your riding experience across the entire rev range. The Fatty pipe is renowned for smoothing and amplifying power delivery, making it a top choice for competitive riders and performance enthusiasts.
Key Features:
- Broadened Power Curve: Experience improved throttle control and noticeable gains from low-end torque to top-end power.
- Optimized Power Delivery: Smoothes and amplifies power output across the entire RPM range.
- Premium Construction: Built from high-quality carbon steel for durability and performance.
- Durable Nickel Plating: The nickel-plated finish provides excellent corrosion resistance, ensuring longevity.
- Precision Fitment: FMF’s Tru-Flo stamping technology guarantees accurate fit and optimal exhaust flow.
- Versatile Compatibility: Designed to work seamlessly with both FMF and stock (OEM) silencers.
- Included O-rings: Ensures proper sealing for efficient exhaust operation.
Specifications:
- Type: Pipes
- Weight: 3.0 lbs


