Factory Fatty Exhaust Pipe 13-19 Beta RR 250 300 - FMF 025157
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 Factory Fatty 025157 exhaust is engineered as an homage to original works cone pipes. It combines exceptional craftsmanship with premium material selection to broaden and smooth the power curve, enhancing performance across the full rev range for improvements in low-end, midrange, and top-end power. Constructed from lightweight 20-gauge steel for the main body and 19-gauge steel in the header section for durability. Features hand-pounded seams for optimal flow transitions and is supplied with O-rings to ensure a reliable seal on most models. This single configuration exhaust offers comprehensive power gains for versatile riding applications with a factory-inspired aesthetic and build quality. Item ID 025157. Weight 4.9 lbs. Type Pipes.
- SKU
- 07-090.FMF.FAC
- Brand
- FMF Exhausts
- Availability
- In Stock (9)
Fitments (26)
| Make | Model | Year |
|---|---|---|
| BETA | 250RR | 2013 |
| BETA | 250RR | 2014 |
| BETA | 250RR | 2015 |
| BETA | 250RR | 2016 |
| BETA | 250RR | 2017 |
| BETA | 250RR | 2018 |
| BETA | 250RR | 2019 |
| BETA | 300RR | 2013 |
| BETA | 300RR | 2014 |
| BETA | 300RR | 2015 |
| BETA | 300RR | 2016 |
| BETA | 300RR | 2017 |
| BETA | 300RR | 2018 |
| BETA | 300RR | 2019 |
| BETA | RR 250 | 2013 |
| BETA | RR 250 | 2014 |
| BETA | RR 250 | 2015 |
| BETA | RR 250 | 2016 |
| BETA | RR 250 | 2017 |
| BETA | RR 250 | 2018 |
| BETA | RR 300 | 2013 |
| BETA | RR 300 | 2014 |
| BETA | RR 300 | 2015 |
| BETA | RR 300 | 2016 |
| BETA | RR 300 | 2017 |
| BETA | RR 300 | 2018 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Header Pipe
- Variant Id
- 210622
FULL DESCRIPTION
FMF Racing Factory Fatty Exhaust Pipe
The FMF Racing Factory Fatty exhaust is engineered as an homage to the original works cone pipes used by factory teams, combining exceptional craftsmanship with premium material selection. Designed to broaden and smooth the power curve, the Factory Fatty enhances performance across the full rev range, delivering improvements in low-end, midrange, and top-end power—making it ideal for serious riders seeking maximum gains.
Key Features
- Constructed from lightweight 20-gauge steel for the main body
- Utilises 19-gauge steel in the header section for added durability
- Hand-pounded seams to promote optimal flow transitions
- Supplied with O-rings to ensure a reliable seal (included on most models)
- Comprehensive power gains for versatile riding applications
- Factory-inspired aesthetic and build quality
- Configuration: Single
- No CARB compliance warning
Specifications
- Item ID: 025157
- Weight: 4.9 lbs
- Type: 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.


