Q4 Hex Exhaust Silencer 07-16 KTM Husaberg Husqvarna 250-501 - FMF 045556

The FMF Q4 HEX S/A 045556 exhaust represents the next evolution in off-road performance, delivering class-leading quiet technology without sacrificing power. Meticulously engineered with advanced chambers, baffles, and proprietary multistage packing material, the Q4 HEX provides substantial power gains across the entire rpm range while maintaining noise levels that meet stringent USFS and FIM World Enduro regulations. Designed specifically for the rigours of off-road use, it offers a robust, lightweight construction that is pounds lighter than stock systems and includes a spark arrestor for trail legality. Features include superior noise reduction with a 94dB insert (included), tangible power gains throughout the rpm range, compatibility with USFS and FIM World Enduro sound standards, a spark arrestor screen insert for added safety, a durable off-road ready design, and significantly lighter weight than OEM exhausts. This is a dedicated quiet exhaust system manufactured in the USA. Specifications include Item ID: 045556, Type: Slip-On, Configuration: Single, Construction: Aluminium with a Natural finish, Midpipe: Stainless Steel, Endcap: Stainless Steel, Spark Arrestor: Screen Insert (included), Quiet Insert: 94dB insert (included), and Weight: 4.9 lbs. Not for highway use.