^what they all said. Nothing wrong.
My wife makes short trips in her Equinox, sometimes it looks like there is hose hooked up to muffler. Thank goodness for stainless steel!
I do a yearly trip on the buell and last year the one night I did several very short trips on the bike then let it sit overnight. When I fired it up the next day I swear a gallon of water blew out the muffler lol.