Factory Fatty Exhaust Pipe 04-10 KTM 125 144 150 SX XC - FMF 025076
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 Factory Fatty 025076 exhaust pipe is engineered for riders demanding top-tier performance. It broadens and smooths the power curve, delivering increased power and enhanced throttle response across the entire rev range, with improved low-end torque, strong midrange, and greater over-rev. Crafted from lightweight 20-gauge steel for the body and robust 19-gauge steel for the header, it features hand-pounded seams for optimal flow transitions. O-rings are included for most models. The pipe offers reliable FMF construction for race and trail durability. Specifications include a main body material of 20-gauge steel, header material of 19-gauge steel, and hand-pounded seam construction. The weight is 3.5 lbs.
- SKU
- 07-077.FMF.FAC
- Brand
- FMF Exhausts
- Availability
- In Stock (2)
Fitments (16)
| Make | Model | Year |
|---|---|---|
| KTM | 125 SX | 2004 |
| KTM | 125 SX | 2005 |
| KTM | 125 SX | 2006 |
| KTM | 125 SX | 2007 |
| KTM | 125 SX | 2008 |
| KTM | 125 SX | 2009 |
| KTM | 125 SX | 2010 |
| KTM | 144 SX | 2007 |
| KTM | 144 SX | 2008 |
| KTM | 144SX | 2007 |
| KTM | 144SX | 2008 |
| KTM | 150 SX | 2009 |
| KTM | 150 SX | 2010 |
| KTM | 150 XC | 2009 |
| KTM | 150 XC | 2010 |
| KTM | 150XC | 2010 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Header Pipe
- Variant Id
- 210588
FULL DESCRIPTION
FMF Factory Fatty Exhaust Pipe
The FMF Factory Fatty Exhaust Pipe is meticulously engineered to deliver performance rivaling elite "works" or cone pipes. This exhaust is designed to broaden and smooth the power curve, resulting in increased power and improved throttle response throughout the entire rev range. Experience enhanced low-end torque, a strong midrange, and greater over-rev capabilities, making it suitable for diverse riding disciplines.
Key Features:
- Lightweight Construction: The main body is crafted from durable 20-gauge steel for optimal performance and reduced weight.
- Robust Header: The header utilizes strong 19-gauge steel for enhanced durability and efficient gas flow.
- Hand-Pounded Seams: Seams are carefully hand-pounded to ensure smooth transitions and maximize exhaust flow efficiency.
- O-Ring Included: O-rings are provided with most models for a secure and proper installation.
- Smoother Power Delivery: Enjoy a more refined and broader powerband, improving rideability.
- Durable FMF Quality: Built with the reliable construction synonymous with FMF, ensuring longevity for both race and trail use.
- Weight: The pipe weighs approximately 3.5 lbs.
Specifications:
- Main body material: 20-gauge steel
- Header material: 19-gauge steel
- Construction: Hand-pounded seams
- Weight: 3.5 lbs
- O-rings: Included
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.


