Any boat that has a wet exhaust with a discharge opening of about three inches or larger is at risk. A Muskrat, Water Rat, Otter or other vermins can and will swim up the exhaust to chew through a coupling hose to the inside of the boat or make a den. That also includes boats with underwater exhausts as these rodents & vermins usually look for underwater entrances leading upwards to hollowed out chambers. This is how many boats sink, even while tied to the dock.
This product is also known as an Exhaust Mixer for when backing down on fish to mix the exhaust with water to keep the fumes from entering the cockpit or to just minimize the diesel soot on the stern of your boat.
Hurley Marine Muskrat Guards™ are stainless steel, adjustable and install inside the exhaust ports. Guards are adjusted outward by stainless rods creating friction to the inside of the port, with no penetration to the hull. Installs in minutes. Protection available in five difference sizes depending upon the size of your exhaust.
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3" x 5" Hole
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Sea Ray 52
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Cruisers 52 Underwater Exhaust
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Tiara 41
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They are a life$aver!
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Measuring your exhaust port. Be careful as some ports are at an angle and will give you a larger hole reading. To double check your measurement, take a piece of semi-rigid wire and wrap it around completely in the circumference (inside) of the exhaust port. Lay your wire out and measure that length, now divide that measurement by 3.14 to determine the hole size.
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