The FMF Racing Q4 HEX S/A 044435 sets the standard for high-performance, quiet off-road exhaust systems. Utilising intricate chambers and advanced multi-stage packing materials, this slip-on muffler maximises power output while keeping noise levels compliant with USFS and FIM World Enduro regulations. Integrated with a spark arrestor and constructed from durable materials, the Q4 HEX is built to withstand the rigours of demanding terrains and provides a lightweight, performance-oriented upgrade for your ATV.

Features

• Advanced chamber and baffle system with proprietary multi-stage packing for quiet performance
• Significantly reduces sound without sacrificing power
• Compliant with USFS and FIM World Enduro sound requirements
• Boosts power across the entire RPM range
• Lightweight, durable construction suitable for off-road endurance
• Integrated spark arrestor and quiet insert included
• Manufactured in the USA
• Slip-on design for straightforward installation
• Only US manufacturer offering dedicated quiet exhaust systems

Specifications

• Item ID: 044435
• Type: Slip-On
• Configuration: Single
• Construction: Aluminium
• Finish: Natural
• Midpipe: Stainless Steel
• Endcap: Stainless Steel
• Spark Arrestor: Screen Insert (included)
• Quiet Insert: Included
• Weight: 5.7 lbs (2.6 kg)
• Notice: Closed Course Use Only

Vehicle Fitment

Yamaha

• Raptor 700 (2006–2023)