Factory Fatty Exhaust Pipe 18-23 GasGas Rieju 250 300 EC MR PRO - FMF 025219
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Engineered for serious performance, the FMF Racing Factory Fatty 025219 exhaust invokes the legacy of "works" or cone-style pipes. Built with superior craftsmanship and high-quality materials, this exhaust system expands and smooths the power curve of your two-stroke engine, offering more power at low and mid RPMs, as well as enhanced over-rev. Whether trail riding or racing, the Factory Fatty delivers consistent, broad power gains. Constructed from lightweight 20 gauge steel for the body and utilises 19 gauge steel in the header section for durability. Hand-pounded seams ensure smooth exhaust flow transitions. O-rings included for reliable sealing. Broadens and smooths power delivery across the RPM range. Provides notable gains in low-end, midrange, and over-rev power. Designed for direct fitment and easy installation. Item ID: 025219. Pipe type: Expansion chamber. Body material: 20 gauge steel. Header material: 19 gauge steel. Carb warning: None.
- SKU
- 07-016.FMF.FAC
- Brand
- FMF Exhausts
- Availability
- In Stock (4)
Fitments (15)
| Make | Model | Year |
|---|---|---|
| GAS-GAS | PHOENIX 250 | 2018 |
| GAS-GAS | PHOENIX 300 | 2018 |
| GASGAS | 250 | 2018 |
| GASGAS | 250 | 2019 |
| GASGAS | 300 | 2018 |
| GASGAS | 300 | 2019 |
| GASGAS | EC 300 | 2018 |
| RIEJU | MR PRO 250 | 2020 |
| RIEJU | MR PRO 250 | 2021 |
| RIEJU | MR PRO 250 | 2022 |
| RIEJU | MR PRO 250 | 2023 |
| RIEJU | MR PRO 300 | 2020 |
| RIEJU | MR PRO 300 | 2021 |
| RIEJU | MR PRO 300 | 2022 |
| RIEJU | MR PRO 300 | 2023 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Header Pipe
- Variant Id
- 210512
FULL DESCRIPTION
FMF Racing Factory Fatty Exhaust Pipe
Engineered for serious performance, the FMF Racing Factory Fatty exhaust invokes the legacy of “works” or cone-style pipes previously reserved for factory riders. Built with superior craftsmanship and high-quality materials, this exhaust system expands and smooths the power curve of your two-stroke engine, offering more power at low and mid RPMs, as well as enhanced over-rev. Whether trail riding or racing, the Factory Fatty delivers consistent, broad power gains to elevate your riding experience.
Key Features
- Constructed from lightweight 20 gauge steel for the body
- Utilises 19 gauge steel in the header section for durability
- Hand-pounded seams ensure smooth exhaust flow transitions
- O-rings included for reliable sealing on most models
- Broadens and smooths power delivery across the RPM range
- Provides notable gains in low-end, midrange, and over-rev power
- Designed for direct fitment and easy installation
Specifications
- Pipe type: Expansion chamber
- Body material: 20 gauge steel
- Header material: 19 gauge steel
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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.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
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