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Yamaha Jet Boat Soundproofing
Boat Marine Watercraft Soundproofing

2020 Yamaha Jet Boat

Adam covered the engine door with the Second Skin Dampener, then the Heat Wave Pro, then put the original foam back in (cause why not). Everywhere else inside the engine bay he used the Damplifier Pro. Adam also covered the fuel compartment door with the Damplifier Pro which was 9 sqft. It's much quieter than before at idle/sunset cruise speeds making it easier to talk. And quieter when accelerating and at plane speeds. So all around it was worth the investment. Adam really liked that Second Skin is a reputable commercial brand, is rated to hold up to high temps, made in America, will act as a fire retardant, AND the great customer service. dB changes below.

BEFORE - 02 mph - 61 db 05 mph 2300 RPM - 69 db 12 mph 4800 RPM - 83 db 20 mph 5300 RPM - 85 db 25 mph 5500 RPM - 93 db

AFTER - 02 mph - 59 db 05 mph 2300 RPM - 64 db 10 mph 4200 RPM - 78 db 20 mph 5100 RPM - 81 db 30 mph 5500 RPM - 83 db

Final look with the Second Skin Boat Kit along with the factory foam added back on.

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