Nice, I have a similar bed setup on my 2013 with Thule racks and a Truck Covers USA retractable tonneau cover. Does your Yakima rack flex/sag at all, especially in the middle? I want a basket but even with snowboards in the middle they are bouncing pretty severely. I think anything heavier would cause issues.
Not anymore with the basket, but it wanted to at first. It was how/where I actually placed the mounts for the basket to the bars. the farther out I went from the center, the more stable it became, especially over rough terrain. I actually tossed my 100+lb spare up there a few times with little flex, but I'm still considering getting a 3rd bar. if all of your weight is set to the center, anything over 50lbs will flex from what I've seen.