END OF LINE Fatty Exhaust Pipe 01-08 KTM SX 50 JR - FMF 025091
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 Gold Series pipe delivers proven two-stroke performance with a smoother and broader power curve for outstanding throttle control. This pipe expands and smoothens overall power delivery across the full rev range, enhancing low-end, mid-range, and over-rev performance for more controllable, tractable power. Constructed from robust carbon steel with a long-lasting nickel plated finish, it utilizes FMF’s Tru-Flo stamping for exact fit and peak output. This is FMF’s most popular two-stroke expansion chamber design. Compatible with FMF and stock silencers unless otherwise specified. Includes O-rings for reliable sealing. Item ID: 025091. Type: Pipes. Carb Warning: No.
- SKU
- 07-M05.FMF.FAT
- Brand
- FMF Exhausts
- Availability
- In Stock (1)
Fitments (16)
| Make | Model | Year |
|---|---|---|
| KTM | 50 SX JR | 2001 |
| KTM | 50 SX JR | 2002 |
| KTM | 50 SX JR | 2003 |
| KTM | 50 SX JR | 2004 |
| KTM | 50 SX JR | 2005 |
| KTM | 50 SX JR | 2006 |
| KTM | 50 SX JR | 2007 |
| KTM | 50 SX JR | 2008 |
| KTM | 50 SX PRO JR | 2001 |
| KTM | 50 SX PRO JR | 2002 |
| KTM | 50 SX PRO JR | 2003 |
| KTM | 50 SX PRO JR | 2004 |
| KTM | 50 SX PRO JR | 2005 |
| KTM | 50 SX PRO JR | 2006 |
| KTM | 50 SX PRO JR | 2007 |
| KTM | 50 SX PRO JR | 2008 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Header Pipe
- Variant Id
- 210893
FULL DESCRIPTION
FMF Racing Fatty Gold Series Exhaust Pipe
Elevate your two-stroke performance with the FMF Racing Fatty Gold Series pipe, a legendary choice in motocross for decades. Engineered to deliver a smoother, broader power curve, this exhaust pipe provides enhanced throttle control and improved overall output. Its construction from high-quality carbon steel and a durable nickel-plated finish ensures longevity and resilience on and off the track. FMF's precision Tru-Flo stamping process guarantees a perfect fit and optimal airflow for peak performance.
Key Features:
- Expands and smoothens power delivery across the entire rev range.
- Boosts low-end, mid-range, and over-rev performance.
- Provides more controllable and tractable power for reliable throttle response.
- Constructed from robust carbon steel with a long-lasting nickel-plated finish.
- Features FMF’s Tru-Flo stamping for exact fit and optimal output.
- Compatible with FMF and stock silencers unless otherwise specified.
- Includes O-rings for a secure and reliable seal.
- Represents FMF’s most popular two-stroke expansion chamber design.
Specifications:
- Item ID: 025091
- Type: Exhaust Pipes
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.