Today on our 2012 Scion XB, we're going to take a look at the Whispbar locking rooftop ski and snowboard carrier. That part number is WB-300. Now I have 1/2 of it already on. Pretty easy to install, it fits on most of all your cross bars. Today we are using our arrow bars. I'm going to set this up here, kind of line it up with the first one.… see more >