FMF Q4 Hex Slip-On Muffler 045667 - Beta 350 / 390 / 430 / 480 RR 2020-2026

FMF Q4 Hex Slip-On Muffler 045667 - Beta 350 / 390 / 430 / 480 RR 2020-2026

Product Description

The FMF Q4 Hex Slip-On Muffler employs intricate chambers, advanced baffles, and proprietary multistage packing material to deliver lower sound output without sacrificing performance. With the Q4, you get powerful gains throughout the entire rpm range while maintaining a quieter ride.

Designed significantly lighter than stock, this rugged off-road exhaust features an aluminum muffler canister, stainless steel mid-pipe, and stainless steel end cap. It also comes equipped with an integrated spark arrestor for trail and off-road compliance.

Top Features: FMF Q4 Hex

• Employs intricate chambers, baffles, and proprietary multistage packing material for reduced sound[cite: 1].
• Delivers power gains throughout the entire rpm range[cite: 1].
• Significantly lighter than stock factory exhaust systems[cite: 1].
• Features a rugged design built specifically for off-road endurance[cite: 1].
• Includes a built-in 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 the Q4 Hex muffler come with a spark arrestor?
A: Yes, a spark arrestor is included[cite: 1].

Q: What materials are used in the construction of this muffler?
A: It features an aluminum muffler canister, stainless steel pipe, and a stainless steel end cap[cite: 1].

Expert Pro-Tip

Expert Pro-Tip: When maintaining a quiet off-road exhaust like the Q4, inspect and repack the multistage internal packing material every 30-40 hours of trail riding to preserve optimal decibel reduction and crisp throttle response.

Recommended Pairings:

• Beta 350 RR Performance Parts & Accessories
• Beta 4-Stroke Performance 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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