Join Date: Jan 2012
Location: British Columbia
Thanked 40 Times in 38 Posts
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Re: Exhaust waterline question?
I deliberately send my exhaust below the waterline, as that eliminates the need for a muffler. I have a 1/4 inch anti siphon hole above the waterline. Some go down several feet with no problem.
Brent Swain, Boat designer, Builder, and author of "Origami Metal Boatbuilding"