JS 440 Pisser?

This may seem like a stupid question, but im just curios if they came stock with one. I have an 87 Js440 and there isn't a pisser on it. I've looked all over the net and can't seem to find any info on it.
 
Is adding one just a matter of putting a hole in the hull, and making sure to put some epoxy around the new outlet?
 
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