Quote:
|
Originally Posted by madrasahs
The most popular seems to be a dash-mounted control to "turn off the water" (to a water-muffled muffler). The MPs seem to be "baffled" by such a device.
|
The device you refer to does not turn off the water to the muffler. It directs the exhaust through the lower unit (under water), or straight through the hull or transom, via a diverter plate on each exhaust pipe. Such devices are NOT LEGAL in New Hampshire waters.
Shutting the water flow off would cause extreme overheating of the exhaust system and would melt any rubber connections or hoses. It could even cause an engine compartment fire.