Fatty Exhaust Pipe 91-94 Kawasaki 250 KDX KX - FMF 020042
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
The FMF Racing Fatty 020042 exhaust pipe is engineered for two-stroke enthusiasts seeking reliable performance gains. Constructed from durable carbon steel with a nickel-plated finish, this Gold Series pipe delivers a broader and smoother power curve with enhanced low-end, mid-range, and over-rev. The Tru-Flo stamping process ensures a precision fit. This pipe increases tractable power and improves throttle control, boosting power across the entire power band. It is compatible with either FMF or stock silencers. This is FMF's most popular two-stroke exhaust pipe. O-rings are included for installation. Item ID: 020042. Type: Pipes. Carb Warning: No. Weight: 5.3 lbs.
- SKU
- 07-030.FMF.FAT
- Brand
- FMF Exhausts
- Availability
- In Stock (3)
Fitments (6)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | KDX 250 | 1991 |
| KAWASAKI | KDX 250 | 1992 |
| KAWASAKI | KDX 250 | 1993 |
| KAWASAKI | KDX 250 | 1994 |
| KAWASAKI | KX 250 | 1992 |
| KAWASAKI | KX 250 | 1993 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Header Pipe
- Variant Id
- 210536
FULL DESCRIPTION
FMF Racing Fatty Exhaust Pipe - Gold Series
The FMF Racing Fatty is a precision-engineered exhaust upgrade for two-stroke engines, designed to deliver noticeable performance gains. This exhaust pipe merges decades of racing expertise into a reliable component that enhances your riding experience.
Constructed from durable carbon steel and finished with nickel plating, this Gold Series pipe is built to last. It is engineered to provide a broader and smoother power curve, significantly improving low-end torque, mid-range pull, and over-rev capabilities.
Featuring FMF Racing’s Tru-Flo stamping process, the Fatty ensures a precise fit and optimal performance. This makes it a preferred choice for riders who demand consistent throttle control, improved power delivery, and robust build quality for both track and off-road applications.
This exhaust pipe is compatible with both FMF and stock silencers, unless otherwise specified.
Key Features
- Increases tractable power and improves throttle control.
- Boosts power across the entire power band for enhanced acceleration and responsiveness.
- Constructed from carbon steel with nickel plating for superior durability and corrosion resistance.
- Features FMF Racing’s Tru-Flo stamping process for optimized fit and performance.
- Compatible with either FMF or stock silencer unless noted.
- FMF’s most popular two-stroke exhaust pipe.
- O-rings are included for a secure and straightforward installation.
Specifications
- Item ID: 020042
- Type: Pipes
- Weight: 5.3 lbs
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.