Mufflers
A vessel’s engine must have a factory-installed muffler or exhaust water manifold for noise reduction, or another effective muffling system. Vessel operators may not hear sound signals or voices if the engine is not adequately muffled.
A vessel’s engine must have a factory-installed muffler or exhaust water manifold for noise reduction, or another effective muffling system. Vessel operators may not hear sound signals or voices if the engine is not adequately muffled.