FMF Q4 Hex Slip-On Muffler (Raw) 041617 - Honda CRF250R / CRF250RX 2025-2026

Product Description

Maximize your dirt bike's off-road performance with the FMF Q4 Hex Slip-On Muffler, designed to provide power gains throughout the entire rpm range while maintaining controlled sound levels. Utilizing intricate internal chambers, baffles, and proprietary multistage packing material, it proves that less sound equals more ground.

Engineered for rugged off-road endurance, this muffler features a durable raw aluminum canister paired with a stainless steel pipe and end cap. It is significantly lighter than the factory stock unit and includes a built-in spark arrestor for trail compliance.

Top Features: FMF Q4 Hex Slip-On Muffler

• Employs intricate internal chambers, baffles, and multistage packing to reduce sound output.
• Delivers noticeable power gains across the entire rpm range.
• Significantly lighter than stock factory exhaust components.
• Includes an integrated spark arrestor for legal trail and off-road riding.
• Built with a rugged design specifically for demanding off-road endurance.

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, a spark arrestor is included for legal trail and off-road riding.

Q: Is it lighter than the factory stock exhaust?
A: Yes, the Q4 Hex muffler is pounds lighter than the stock system.

Expert Pro-Tip: When installing a slip-on muffler, ensure that the mid-pipe connection is completely clean and free of old carbon buildup or sealant before tightening the clamp. Applying a thin bead of high-temp silicone sealant can prevent exhaust leaks and maintain proper backpressure.

Recommended Pairings:

• Honda 4-Stroke Performance Parts & Upgrades
• Silencer Maintenance Parts
• Motorcycle Tools

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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