FMF Q4 Hex Slip-On Muffler (Raw Aluminum) 042410 - Kawasaki KX250 / KX250X 2025-2026

Product Description

Conquer trail sound limits without sacrificing performance using the FMF Q4 Hex Slip-On Muffler 042410, engineered specifically for Kawasaki KX250 and KX250X dirt bikes. Designed to provide less sound while delivering more ground-shaking power, this exhaust system is built for serious off-road riders.

Featuring intricate internal chambers, baffles, and proprietary multistage packing material, the Q4 delivers power gains throughout the entire RPM range while keeping decibel levels strictly managed. Substantially lighter than stock and built with a rugged off-road design, it ensures maximum durability and endurance on demanding trails.

Top Features: FMF Q4 Hex Muffler

• Employs intricate internal chambers, baffles, and proprietary multistage packing material for optimal sound reduction.
• Delivers strong, usable power gains throughout the entire RPM range.
• Includes a built-in spark arrestor for trail and off-road compliance.
• Significantly lighter than stock factory exhaust components.
• Rugged design built specifically to withstand the rigors of off-road endurance racing and trail riding.

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 Q4 muffler include a spark arrestor?
A: Yes, a spark arrestor is included, making it ideal for trail and off-road riding compliance.

Q: How does the Q4 reduce sound without losing power?
A: It uses intricate internal chambers, specialized baffles, and proprietary multistage packing material to lower decibels while maintaining strong power gains across the RPM range.

Expert Pro-Tip: When installing a slip-on muffler, apply a thin bead of high-temperature silicone sealant at the mid-pipe slip joint to prevent exhaust leaks and carbon weeping. Inspect and repack your silencer periodically to maintain peak sound suppression and engine performance.

Recommended Pairings:

• Kawasaki 4-Stroke Performance Parts & Accessories
• Motorcycle Tools & Accessories
• Motorcycle Chemicals & Lubricants

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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