Racer X Tested: 2013 450 Shootout, Greg Albertyn October 18, 2012, 11:00am Matt Francis Home Supercross Motocross Multimedia Video Racer X Films Racer X Tested Racer X Tested: 2013 450 Shootout, Greg Albertyn Share Facebook Twitter Greg Albertyn gives his feedback on all the new 2013 big bores.