Racer X Tested: 2013 450 Shootout, David Pingree October 19, 2012, 2:45am Matt Francis Home Supercross Motocross Multimedia Video Racer X Films Racer X Tested Racer X Tested: 2013 450 Shootout, David Pingree Share Facebook Twitter David Pingree gives his feedback on all the new 2013 big bores.