To help clear some things up- They will fit your bars. I have an 07 Xterra, and they even fit the giant cross bars on that. To set up four (so carrying two boats) you will need 35 inches of cross bar or else they will hit at the top. They attach firmly to the cross bars, so you don't have anything to worry about. The rubber ends are very sticky and hold the boat in position nicely. I was pretty excited that they even came with the tie downs, and rubber coated cam straps, but the tie downs are already fraying in the middle of the webbing. All in all, the bars work great for the job.. but not too happy about the quality of the straps, which surprises me from yakima.