Q4 Hex Exhaust Silencer 14-19 Yamaha WR YZ 250 F FX - FMF 044426

The FMF Q4 HEX S/A exhaust sets the standard for high-performance, quiet off-road riding, combining industry-leading noise reduction with superior power delivery. Intricate chambers, baffles and proprietary multi-stage packing ensure compliance with USFS and FIM World Enduro sound regulations, while retaining strong power gains throughout the entire rpm range. Designed for durability and weight savings, this slip-on muffler includes a spark arrestor and is constructed for exceptional off-road endurance.

Features

• Designed to deliver significant power gains while minimising noise output


• Meets strict USFS and FIM World Enduro sound regulations for off-road compliance


• Intricate chambers and advanced packing material reduce sound without compromising performance


• Lighter than stock exhaust systems for improved handling


• Robust construction to withstand harsh off-road environments


• Includes spark arrestor and quiet insert


• Aluminium canister with stainless steel midpipe and endcap for enhanced durability


• MADE IN THE USA

Specifications

• Notice: Closed Course Use Only


• Item ID: 044426


• Type: Slip-On


• Configuration: Single


• Construction: Aluminium


• Finish: Natural


• Midpipe: Stainless Steel


• Endcap: Stainless Steel


• Spark Arrestor: Screen Insert (included)


• Carb Warning: No


• Quiet Insert: Included


• Weight: 6.1 lbs

Vehicle Fitment

Yamaha

• WR250F (2015–2019)


• YZ250F (2014–2018)


• YZ250FX (2015–2019)