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Quiet Power: FMF Hex Q4 Spark Arrestor

The FMF Hex Q4 Spark Arrestor Muffler is the perfect solution for Yamaha YZ250F riders who need to balance performance with sound compliance. Engineered for the trails and off-road environments, this muffler features an integrated spark arrestor, making it legal for public lands and forest service areas. Despite its quiet operation, the Q4 does not sacrifice power, utilizing FMF's Hex geometry to maintain high-flow exhaust characteristics.

Trail-Ready Performance

• Integrated Spark Arrestor: USFS-approved for legal trail riding.
• Quiet Performance: Engineered to reduce sound levels without choking the engine.
• Hex Geometry: Maximizes internal volume for efficient gas flow.
• Durable Construction: Built to withstand long days on the trail.
• Direct Fitment: Engineered specifically for the Yamaha YZ250F.

If you enjoy riding in diverse environments, the Q4 is an essential upgrade. It offers a deep, mellow exhaust tone that is much easier on the ears during long rides, all while providing the crisp throttle response you expect from FMF Racing. Don't let noise restrictions hold you back from your next adventure. Equip your YZ250F with the best in trail-ready performance from GGCRACING.