Q4 Hex Exhaust Silencer 19-26 Yamaha WR YZ 250 F FX - FMF 044452

FMF Q4 Hex Silencer for Off-Road Motorcycles

The FMF Q4 HEX S/A sets a benchmark in high performance quiet technology for off-road exhaust systems. This slip-on silencer is engineered with advanced internal chambers and proprietary multi-stage packing. It delivers significant power gains across the entire RPM range while meeting strict USFS and FIM World Enduro sound regulations.

Built to be lighter than the stock exhaust and designed for demanding off-road use, the Q4 HEX allows riders to experience enhanced power output without excessive noise. It is an ideal choice for competitive off-road riding.

Key Features:

• Complies with USFS and FIM World Enduro sound regulations.
• Note: For Closed Course Use Only.
• Provides measurable power increases across the RPM band.
• Significantly lighter than the original equipment exhaust.
• Features a robust design engineered for off-road endurance.
• Includes a screen insert spark arrestor.
• Comes with a quiet insert.
• Proudly manufactured in the USA.
• Represents the only US manufacturer offering specialized quiet exhaust systems.

Specifications:

• Type: Slip-On
• Configuration: Single
• Construction Material: Aluminum
• Finish: Natural
• Midpipe Material: Stainless Steel
• Endcap Material: Stainless Steel
• Spark Arrestor: Screen Insert (included)
• Quiet Insert: Included
• Approximate Weight: 7.06 lbs