have a leak that is not the bellows

So I have a fairly large leak in the bilge that I believe is not coming from the bellows. I am going to pull the out drive this weekend to fully inspect the bellows but I am pretty sure they are good. I think that the leak is coming from the exuast/gimbal housing. I believe that I have a alpha 1 gen 2 stern unit. the gimbal housing has two exuast ports on it and I have been trying to find a replacement in case that is the problem but everything that I see seems to not have these ports. Am I missing something or what? ANy help would be appreciated. tips for this confirming this would also be apprecaited

Am I missing something or what?

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Ayuh,... Must Be, they All have the idle releif ports...

It could be a cracked/split shift cable boot?

Or water could be leaking from the Y-pipe exhaust, either a crack or hole in it, or leaking from where it bolts to the transom.

Just a couple suggestions.