What failed on your Yakima rack? I have this system with Whispbars and have driven over 1500 miles at highway speeds with 3 to 4 boards on my roof. No issues.Yakima Fat cat 6 - came apart and fell off of my car on the highway on the way to the mountain ... Which destroyed my Never Summer Cobra Military Edition with Union SLs .... I am still pissed off to the highest level of pisstivity about this situation..