Just search the forum and you'll get plenty of hits. It's a V6, so IMO deep and throaty are not really feasible. Here's a link to one discussion. Note the video posted by mcfoss1. Probably one of the better sounding Ridgelines but not sure I love it.
http://www.ridgelineownersclub.com/forums/showthread.php?t=1051
YouTube has plent of vids; search and ye shall find.
http://www.ridgelineownersclub.com/forums/showthread.php?t=1051
YouTube has plent of vids; search and ye shall find.