FMF Big Bore Super Mini Factory Fatty Exhaust Pipe 025224 - 2021-2024 Gas Gas MC 85

Upgrade your mini race bike with the FMF Factory Fatty Big Bore Exhaust Pipe 025224, engineered for KTM, Husqvarna, and GAS GAS 85cc to 105cc bikes (2018-2024). Designed to maximize horsepower and low-to-mid torque, this big bore pipe helps you grab the holeshot and dominate on the track. With its factory-inspired design and durable 19-gauge steel header, this FMF pipe delivers pro-level performance with a distinctive works finish.

The Factory Fatty Big Bore 025224 is built for serious riders pushing the limits. Each pipe is hand-finished for optimum flow and power gains, while the 20-gauge steel body cuts weight without sacrificing strength. Combine it with an FMF silencer for a perfect fit and unbeatable race-day advantage. Whether you’re building a 105cc big bore mini or keeping your 85cc race-ready, FMF delivers the power and reliability trusted by champions.

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✅ Top Features

• Race-Proven Performance — Designed for big bore 105cc and up builds to boost power & throttle response.
• Premium Construction — 19-gauge header for strength, 20-gauge body for weight savings.
• Hand-Finished Seams — Factory look with precision flow for max horsepower.
• FMF-Only Compatibility — Works exclusively with FMF silencers for optimal fit & performance.
• Durable Factory Fatty Design — Proven by pro-level riders across motocross circuits.

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🛠️ Fitment List

Note: Fits only with FMF silencers.

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❓ Frequently Asked Questions

Q: Will this FMF Factory Fatty Big Bore Pipe work with stock silencers?
A: No, this pipe is designed to fit only with FMF silencers for the best performance and perfect alignment.

Q: Is the FMF Factory Fatty Big Bore 025224 good for beginners?
A: While it’s race-proven, it’s also great for intermediate riders wanting more low-end torque and mid-range pull.

Q: Do I need to re-jet my carb after installing?
A: Jetting changes are recommended to achieve optimal performance and protect your engine.

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🚀 Take your mini bike’s performance to the next level — bolt on the FMF Factory Fatty Big Bore Exhaust Pipe 025224 today and experience factory-level power and durability.

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Moto-House MX – Choice of Champions – is located in Clermont/Montverde, FL. The best motocross shop in Central Florida.

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