FMF Racing Factory Fatty Exhaust for Yamaha - Part No. 024039

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’ craftsmanship and material quality. The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.

-Lighter 20 gauge steel used for the body of the pipe.

-19 Gauge steel used for the header portion.

-Includes O-rings on most models

-Hand pounded seams for smooth flow transitions.

-O-Rings Included

The FMF Racing Factory Fatty exhaust for Yamaha motorcycles is engineered to enhance performance and sound. Designed with precision, this exhaust system features a polished finish that not only improves exhaust flow but also adds a sleek look to your bike. Perfect for riders seeking increased horsepower and torque, the Factory Fatty is a proven choice in motocross and off-road applications.
Constructed from durable materials, it withstands the rigors of aggressive riding and provides reliable performance over time. The exhaust's design prioritizes optimal airflow, resulting in improved throttle response and overall engine efficiency. Installation is straightforward, making it suitable for both professional mechanics and enthusiasts.
Whether you're competing on the track or enjoying trail rides, the FMF Factory Fatty exhaust delivers a noticeable upgrade in your Yamaha's power delivery and sound profile, ensuring you stand out in performance and style.

Features:

• Enhanced exhaust flow for increased horsepower and torque

• Durable construction with a polished finish for long-lasting performance

• Optimized design for improved throttle response and engine efficiency

• Straightforward installation suitable for DIY or professional service

• Compatible with Yamaha motorcycles for reliable fit and function