Cyclone Series HP 4" Clamp-On Silencer 

Cyclone Series HP 4" Clamp-On Silencer
4" hose connection. Rated for engines up to 650 HP

These highly polished 316L stainless steel silencers are designed for the power boater looking for the simplicity of simple slide-on and clamp style installation and removal These silencers share all of the Cyclone's exclusive construction features and are available in 3 specific sizes. This model works best for engines up to 650HP with 4" exhaust. By matching the horsepower specifications, you can obtain the perfect balance of a broad power-band with reduced noise.  Sold in pairs. Note: These silencers use 4.5" diameter flaps.