FMF Gold Series "Fatty" Exhaust – Championship-Proven Power, Legendary 2-Stroke Performance
The FMF Gold Series "Fatty" Exhaust is the go-to expansion chamber for riders seeking a broad and aggressive power boost across the entire RPM range. Designed to mimic the performance and craftsmanship of factory race bikes, the Fatty pipe brings FMF's legacy of two-stroke excellence straight to your machine.
Built with electro-nickel plating for long-lasting durability and a non-chip finish, this pipe delivers more than just looks—it delivers race-winning power gains.
Key Features:
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Broad Power Gains Across the RPM Range
The Fatty design boosts horsepower and torque from low-end grunt to mid-range punch and high-end overrev, making it ideal for trail, track, and everything in between. -
Electro-Nickel Plated Finish
Corrosion-resistant, non-discoloring surface maintains a clean, race-ready appearance ride after ride. -
Factory-Level Craftsmanship
The optional Factory "Works" version features hand-pounded welds and a raw, uncoated finish—just like the pipes run on pro-level bikes. -
Built for All Riding Styles
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Fatty: All-around power increase throughout the powerband
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Gnarly: Maximum low-end torque for technical and off-road terrain
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Direct Fit for Most 2-Stroke Models
Application-specific design ensures easy installation and seamless integration with stock or FMF silencers.
Unlock the Full Potential of Your 2-Stroke
Whether you're racing MX, riding enduro, or dominating the woods, the FMF Gold Series Fatty gives your 2-stroke the torque, pull, and top-end speed to leave the competition behind. Trusted by champions and weekend warriors alike, FMF's legacy in two-stroke performance starts with the Fatty.
Ride like the pros. Power up with the FMF Gold Series “Fatty” and feel the difference.