Fatty Exhaust Pipe 15-22 Beta X-TRAINER 300 - FMF 025263
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 offers impressive, consistent performance for two-stroke riders, drawing on over 35 years of racing expertise. This exhaust is engineered to broaden and smooth the power band, ensuring strong gains in low, mid, and over-rev ranges for responsive throttle control and tractable power in any riding conditions. Constructed from carbon steel with a durable nickel-plated finish, it delivers reliability and a precise fit. Features include FMF’s Tru-Flo stamping process for an exact fit and optimal flow, and it is compatible for use with FMF or stock silencers. It is FMF’s most popular two-stroke exhaust pipe, trusted across disciplines. Includes O-rings for secure installation. Item ID: 025263. Type: Pipes. Carb Warning: No. Weight: 5.0 lbs.
- SKU
- 07-099.FMF.FAT
- Brand
- FMF Exhausts
- Availability
- In Stock (5)
Fitments (13)
| Make | Model | Year |
|---|---|---|
| BETA | X-TRAINER | 2015 |
| BETA | X-TRAINER | 2016 |
| BETA | X-TRAINER | 2017 |
| BETA | X-TRAINER | 2018 |
| BETA | X-TRAINER | 2019 |
| BETA | X-TRAINER | 2020 |
| BETA | X-TRAINER | 2021 |
| BETA | X-TRAINER | 2022 |
| BETA | XTRAINER 300 | 2015 |
| BETA | XTRAINER 300 | 2016 |
| BETA | XTRAINER 300 | 2017 |
| BETA | XTRAINER 300 | 2018 |
| BETA | XTRAINER 300 | 2019 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Header Pipe
- Variant Id
- 289679
FULL DESCRIPTION
FMF Fatty Exhaust Pipe
Experience enhanced, consistent performance with the FMF Racing Fatty Gold Series pipe, engineered for demanding two-stroke riders. This exhaust system is designed to broaden and smooth the power band, delivering significant gains in low, mid, and over-rev ranges. This results in more responsive throttle control and tractable power suitable for various riding conditions.
Key Features:
- Expands and smooths the power curve for improved performance across all RPMs.
- Boosts low-end torque, mid-range punch, and top-end over-rev capabilities.
- Manufactured using FMF’s Tru-Flo stamping process for an exact fit and optimal flow.
- Constructed from durable carbon steel with a corrosion-resistant nickel-plated finish.
- Designed for compatibility with FMF or stock silencers (unless otherwise specified).
- Trusted and widely used across various riding disciplines.
- Includes O-rings for a secure installation.
Specifications:
- Item ID: 025263
- Type: Pipes
- Weight: 5.0 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.