As everybody knows, in order to operate an engine needs a mixer of air and fuel. Therefore, whatever the type, the engines fitted on boats aspirate a great quantity of air and this activity is always followed by intake air - borne noises, due to the air friction on the inside walls of the intake manifold. In order to muffle these noises, some solutions are generally resorted such as by giving more simple shape to manifolds and also by fitting special silencing air - filters on them. Generally, in order to soften the sound energy due to the sound waves reflection in the engine compartment, which could increase by acoustic resonance effect of its volume, the walls of the compartment itself are lined with special sound absorption materials.
may incline you towards the use of the most advanced materials available on the market.

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