FMF 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)

Supplier SKU: 06-1977.FMF.Q4H. Supplier availability is subject to change.

Why Buy From FDY Performance?

Shop with FDY Performance Ltd, a UK-based motorcycle parts and accessories retailer. We offer friendly product support and UK delivery options. Please check your bike make, model and year against the fitment information before ordering.