TOPIC: G3 lookalike flotation foam back or not?

Hello,

I just started working on a new floor for my g3 lookalike. Now that is started this it's full of waterlogged foam. I almost got it all out. But I'm not sure whether to put it back or not. I won't be going on big waters and will always be close to shore. The only holding me back is that it might by structural.

I will post some pictures later
later.

Would like to know what you guys think.