There just seems to be perpetrating lol. At the tip of the muffler you can see water acumalatig and on the bumper above the tip?
Are you asking or telling?
Condensation. A cool pipe warms up quickly with hot exhaust gasses moving though it and water condenses. Excess is blown out the back. Hot gas condenses when it hits cold air hence all cars spew "smoke" in the colder months.