Racer X Tested: 2013 450 Shootout, David Pingree October 18, 2012 10:45pm | by: Matt Francis Home Supercross Motocross Multimedia Video Racer X Films Racer X Tested Racer X Tested: 2013 450 Shootout, David Pingree David Pingree gives his feedback on all the new 2013 big bores.