Fatty Exhaust Pipe 98-02 Kawasaki KX 125 - FMF 022003
The FMF Racing Fatty Gold Series pipe, part number 022003, delivers exceptional race-proven performance with over 35 years of development backing its design. This legendary exhaust broadens and smoothens the power curve, offering improved throttle control and power gains throughout the entire rev range—from low-end torque to enhanced over-rev. Engineered from carbon steel with a durable nickel-plated finish, the Fatty is designed for maximum durability and is FMF’s most popular 2-stroke pipe, ready for any style of off-road or motocross riding. Broadens and smoothens the engine’s powerband for enhanced rideability and power at all rpms. Improved low-end, mid-range, and over-rev performance for more tractable power and throttle control. Constructed from carbon steel and finished in nickel plating for long-lasting durability. Tru-Flo stamping process ensures precise fit and optimum exhaust flow. Compatible with both FMF and stock silencers unless otherwise specified. Includes O-rings for secure, leak-free installation. FMF’s most trusted and popular 2-stroke exhaust system. Item ID: 022003. Type: Pipes. Weight: 3.5 lbs approximately 1.59 kg. Material: Carbon steel with nickel-plated finish.
- SKU
- 07-011.FMF.FAT
- Brand
- FMF Exhausts
- Availability
- In Stock (4)
FULL DESCRIPTION
FMF Fatty Exhaust Pipe Gold Series
The FMF Racing Fatty Gold Series pipe delivers exceptional, race-proven performance with over 35 years of development backing its design. This legendary exhaust broadens and smoothens the power curve, offering improved throttle control and power gains throughout the entire rev range—from low-end torque to enhanced over-rev. Engineered from carbon steel with a durable nickel-plated finish, the Fatty is designed for maximum durability and is FMF’s most popular 2-stroke pipe, ready for any style of off-road or motocross riding.
Key Features:
- Broadens and smoothens the engine’s powerband for enhanced rideability and power at all rpms
- Improved low-end, mid-range, and over-rev performance for more tractable power and throttle control
- Constructed from carbon steel and finished in nickel plating for long-lasting durability
- Tru-Flo stamping process ensures precise fit and optimum exhaust flow
- Compatible with both FMF and stock silencers (unless otherwise specified)
- Includes O-rings for secure, leak-free installation
- FMF’s most trusted and popular 2-stroke exhaust system
Specifications:
- Item ID: 022003
- Type: Pipes
- Weight: 3.5 lbs (approx. 1.59 kg)
- Material: Carbon steel with nickel-plated finish


