Do snorkels help with MPG? Do they serve as pseudo cold air intakes?

It’s for appearance

 

No you weren't. You're a Marine. Those guys never have to pretend, they're naturally dumb!

I kid, I kid... (Go Army!)

 

Haha truer words were never spoken.

 

He doesn't stall. The water isn't that deep. It always looks deeper when you're pushing it, or it's pushing you.

 

Doesn't necessarily have to stall right after the water crossing.

I own a Can-am Defender UTV. Many people in the south use these as swamp buggies, with snorkels and tall mud tires. Those help them get through the deep water and mud. But later they all suffer as the water intrusion into the electrical system causes shorts and corrosion.