UTVUnderground.com had the honor of once again working with off-road racing champion RJ Anderson in building him a custom Holz Racing built Polaris RZR XP 1000 Side-by-Side (SxS), complete with a Polaris ProStar® 1000 Muzzys Performance engine and custom Walker Evans Racing shocks. In this BREAKDOWN, RJ gives us the low down on his new 2014 Polaris RZR XP1000!