The FMF Q4 HEX S/A 041609 revolutionises off-road riding with advanced quiet technology, delivering exceptional performance without unnecessary noise. Engineered with multi-stage sound attenuation, this slip-on exhaust enhances power across the RPM range while meeting stringent sound regulations for responsible riding. Built for durability and weighing less than stock, the Q4 is perfect for riders seeking a tough, US-made solution for high-performance trail and enduro.

Features

• High-performance quiet technology with advanced chambers and baffles
• Meets USFS and FIM World Enduro sound regulations
• Delivers power gains throughout the complete RPM range
• Lightweight for improved handling and reduced fatigue
• Includes USFS-approved spark arrestor
• Rugged construction designed specifically for off-road endurance
• Manufactured in the USA
• Dedicated to quiet exhaust performance
• Closed course use only

Specifications

• Item ID: 041609
• Type: Slip-On
• Configuration: Single
• Construction: Aluminium
• Finish: Natural
• Midpipe Material: Stainless Steel
• Endcap Material: Stainless Steel
• Spark Arrestor: Screen Insert (included)
• Quiet Insert: 94dB insert (included)
• Carb Warning: No

Vehicle Fitment

Honda

• CRF250R (2022–2024)
• CRF250RX (2022–2024)