Q4 Hex Exhaust Silencer 12-16 KTM EXC-F 350 EXC 500 - FMF 045442

The FMF Q4 HEX S/A 045442 is engineered for riders demanding high performance with reduced sound levels. Utilising advanced chambers, baffles, and proprietary multistage packing, this slip-on silencer delivers impressive power gains across the RPM range while meeting stringent USFS and FIM sound regulations. Constructed with durability in mind, the Q4 HEX is significantly lighter than stock, features a built-in spark arrestor, and showcases a robust design suitable for off-road endurance.

Features

• High-performance quiet technology for off-road use


• Meets USFS and FIM World Enduro sound regulations


• Power gains throughout the entire rev range


• Integrated spark arrestor for fire safety


• Reduced weight compared to OEM exhausts


• Rugged, endurance-inspired construction


• Made in the USA


• Notice: Closed Course Use Only

Specifications

• Item ID: 045442


• Type: Slip-On


• Configuration: Single


• Construction: Aluminium


• Finish: Champagne Anodized


• Midpipe: Stainless Steel


• Endcap: Stainless Steel


• Spark Arrestor: Screen Insert (included)


• Weight: 5.0 lbs (approx. 2.27 kg)


• Carb Warning: No

Vehicle Fitment

KTM

• 350 EXC-F (2012–2016)


• 500 EXC (2012–2016)