No worries. I took it as an honest question; tone being a hard to communicate on the Internet. Was worth explaining why I might want something that likely exceeds what I strictly expect to need.
in my searching, I can only find custom aluminum/silicone hose arrangements that are submersible.
Fair question, but a different question. I'd say there are two aspects that I'm personally considering here:
1) Trade study - even if you don't intend to use the feature it's worth understand the trades you are making and the pros and cons. e.g. if you're buying an onboard air compressor, all...
Does anyone make a submersible rated snorkel for the fourth gen Tacoma? Something with proper gaskets and seals, as few joints as possible; "IP67" or higher? Most snorkels, including the OEM as far as I'm aware, are sealed with foam tape, and have several joints to reduce manufacturing costs...