Factory Fatty Exhaust Pipe 20-25 Beta 250 RR 300 RX - FMF 025271
The FMF 025271 Factory Fatty exhaust pipe is designed for riders seeking a blend of traditional "works" look and modern performance. It is crafted with hand-pounded seams reminiscent of factory race pipes and enhances overall engine performance by broadening and smoothing the power curve, yielding noticeable gains from low-end to over-rev. Constructed from premium gauge steel and engineered for optimal flow, this exhaust delivers reliable results. Features include a 20 gauge steel main pipe and 19 gauge steel header, hand-pounded seams for smooth flow transitions, and O-rings included on most models. It broadens and smooths power delivery across the rev range, boosting low-end, midrange, and top-end power. The exhaust is a single configuration. Specifications include Item ID 025271, a weight of 5.0 lbs, and construction from 20 gauge steel body and 19 gauge steel header.
- SKU
- 06-9929.FAC.FMF
- Brand
- FMF Exhausts
- Availability
- In Stock (8)
FULL DESCRIPTION
FMF Factory Fatty Exhaust Pipe
Experience enhanced performance with the FMF Factory Fatty Exhaust Pipe. This exhaust is engineered to offer a balance of classic factory racing aesthetics and modern performance gains. It features hand-pounded seams, a hallmark of traditional racing exhausts, designed to create smoother airflow transitions and improve overall engine efficiency. The Factory Fatty optimizes the power curve, providing noticeable improvements from the lower RPM range all the way to the over-rev. Constructed using premium gauge steel, this exhaust delivers consistent and reliable performance for demanding off-road riding.
Key Features:
- Main Pipe Construction: Made from lightweight 20 gauge steel for reduced weight and optimal flow.
- Header Durability: Features a header portion constructed from robust 19 gauge steel for enhanced longevity.
- Seamless Flow: Hand-pounded seams are meticulously crafted to ensure smooth transitions and maximize exhaust gas velocity.
- Powerband Enhancement: Designed to broaden and smooth the power delivery across the entire RPM range, offering significant gains in low-end torque, midrange power, and top-end pull.
- Quality Craftsmanship: Built with high-quality materials and attention to detail for a premium finish and reliable operation.
- O-Ring Inclusion: O-rings are included with most models for a secure and proper installation.
- Weight: Weighs approximately 5.0 lbs.
- Configuration: Single exhaust configuration.
Specifications:
- Item ID: 025271
- Type: Exhaust Pipe
- Configuration: Single
- Weight: 5.0 lbs
- Material: 20 gauge steel body, 19 gauge steel header
- Included Accessories: O-rings included on most models.


