Q4 Hex Exhaust Silencer 20-21 Yamaha WR 250 F - FMF 044472

Engineered for off-road riders seeking both power and stealth, the FMF Q4 HEX S/A 044472 sets the benchmark for quiet exhaust performance. This slip-on silencer leverages advanced chamber and baffle designs, alongside proprietary multi-stage sound-absorbing materials, to deliver significant power gains across the rev range while remaining pounds lighter than stock. Designed and built in the USA, it meets stringent USFS and FIM sound regulations and comes equipped with a spark arrestor, making it ideal for endurance and trail use.

Features

• Utilises intricate chambers and proprietary packing for maximum performance with minimal noise
• Meets USFS and FIM World Enduro sound regulations
• Delivers power gains throughout the entire rpm range
• Pounds lighter than most stock exhausts
• Rugged build ensures durability for off-road riding
• Spark arrestor included for added safety
• Configurable with quiet insert included
• Manufactured in the USA
• Closed course use only
• Dedicated to quiet exhaust system technology

Specifications

• Type: Slip-On
• Configuration: Single
• Construction: Aluminium
• Finish: Natural
• Midpipe: Stainless Steel
• Endcap: Stainless Steel
• Spark Arrestor: Screen Insert (included)
• Quiet Insert: Included
• Weight: 7.3 lbs
• Item ID: 044472
• Carb Warning: Yes

Vehicle Fitment

Yamaha

• WR250F (2020–2021)