I'm upgrading my AEV 2.5 to the AEV 3.5 (maybe 4.5) due to the weight of my 2013 JKUR. I weighed my JKU last weekend when heading out to Death Valley and it was 6740 lbs fully loaded. Like others I have a RTT, Frig, AT stage I and II drawers, winch, 10 gal. gas and water, etc. I just switched to...