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4IN Select Sound HP Clamp-On Silencers (Pair)
Gil Select Sound HP Silencers
Select Sound Hp Silencers offer the latest in silencing technology for high performance, big block engines. The HP is designed to route exhaust downward after sound baffling for maximum noise reduction. And like the standard Gil Select Sound Silencer, the HP allows boaters to switch to unsilenced performance with flip of a switch on the dashboard for full exhaust flow. Select Sound HP Silencers are designed for 4" and 4.5" exhaust systems. The're available in clamp-o or transom mount styles. And our polished stainless steel finish offers an attractive and durable high performance look. Overall length 10", Outer Diameter 6.5".
Clamp-On models slide over and clamp to the end of the tailpipe or exhaust tip on the exterior of the boat transom.
Note: Tailpipes are not included
Synthetic Blend 25W40 Marine 4-Stroke Oil – 55 Gallon (drum).
Replaces: Mercury 92-858057K01, 92-858057QE1.
Mallory High Performance “SILVER” Synthetic Blend FC-W 4-Stroke Engine Oils
Formulated for Superior Perfomance and Corrosion Protection in 4-Stroke Outboards & Sterndrive Engines.
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.
Full Synthetic 30W Marine 4-Stroke Oil – 55 Gallon (drum). Replaces: Volvo 3858061. Mallory High Performance “GOLD” Full Synthetic FC-W 4-Stroke Engine OilsFormulated for Superior Performance and Corrosion Protection in 4-Stroke Outboards & Sterndrive Engines.