FMF Gold Series Fatty Head Pipe 025221 - KTM / Husqvarna / GasGas 85cc 2018-2024

Product Description

The FMF 025221 Gold Series Fatty Head Pipe is engineered to deliver targeted power gains right where your motorcycle needs them the most. Developed using advanced computer-designed and dyno-tested parameters, this expansion chamber optimizes performance across the entire powerband.

Constructed from strong 19-gauge steel with a durable nickel-plated finish, it utilizes an exclusive Tru-Flo stamping process to ensure a precise fit and seamless exhaust gas scavenging. Built to withstand harsh off-road conditions while enhancing throttle response and overall output.

Top Features: FMF Gold Series Fatty Head Pipe

• Computer-designed and dyno-tested to maximize power gains across the RPM range.
• Tru-Flo stamping process guarantees a precise, factory-matched fit and optimum exhaust flow.
• Constructed of robust 19-gauge steel with a durable nickel-plated finish for long-lasting off-road durability.

Please review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.

Fitment List

Frequently Asked Questions

Q: Is this head pipe compatible with stock silencers?
A: Yes, the Gold Series Fatty head pipe is designed to connect seamlessly with stock or aftermarket slip-on silencers.

Q: What kind of performance gains does the Gold Series Fatty provide?
A: It delivers broad, usable power gains across the entire powerband, improving low-end throttle response and mid-to-top pull.

Expert Pro-Tip: When installing your new expansion chamber, always replace your exhaust O-rings and apply a light coat of high-temp silicone sealant at the cylinder spigot connection to eliminate leaks and maintain proper backpressure.

Recommended Pairings:

• KTM 85 SX Performance Parts & Upgrades
• Husqvarna TC 85 Performance Parts & Upgrades
• GasGas MC 85 Performance Parts & Upgrades

About Moto-House MX

At Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their machines. We pride ourselves on great customer service, and every item ships FAST - straight to your door.

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