FMF Powercore 4 HEX Slip-On Muffler 044451 — Yamaha YZ250F / YZ250FX / WR250F 2019-2026

FMF Powercore 4 HEX Slip-On Muffler 044451 — Yamaha YZ250F / YZ250FX / WR250F 2019-2026

Product Description

The FMF Powercore 4 HEX Slip-On Muffler delivers an overall increase in power and torque across your machine's entire powerband. Built using a durable combination of stainless steel and aluminum, it is engineered for long-lasting off-road durability.

Equipped with Space Age internal packing material for maximum longevity, this muffler utilizes Hi-Flo core technology and enhanced sonic evacuation to provide a higher flow of exhaust gases and increased power. It also includes a removable spark arrestor for trail compliance.

Top Features: FMF Powercore 4 HEX

• Delivers an overall increase in power and torque[cite: 1].
• Constructed from durable stainless steel and high-grade aluminum[cite: 1].
• Features Space Age internal packing material for maximum operational longevity[cite: 1].
• Internal core shape utilizes Hi-Flo technology for optimized flow[cite: 1].
• Includes enhanced sonic evacuation and a removable spark arrestor[cite: 1].

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: Does this slip-on muffler include a spark arrestor?
A: Yes, it includes a removable spark arrestor[cite: 1].

Q: What materials are used to build the Powercore 4 HEX?
A: It features a raw aluminum muffler canister paired with a durable stainless steel mid-pipe and end cap[cite: 1].

Expert Pro-Tip

Expert Pro-Tip: Apply a thin layer of high-temperature silicone sealant at the slip-joint connection between your header and the mid-pipe during installation to prevent exhaust leaks. Periodically inspect and repack the internal packing material to maintain peak decibel control and throttle response.

Recommended Pairings:

• Yamaha 4-Stroke Performance Parts
• FMF Exhaust Systems & Parts
• Motorcycle Tools & Accessories

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 bikes. We pride ourselves on great customer service, and every item ships FAST - straight to your door.

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