An economical, handy way to transport two kayaks. The system seems solid. Overall easy to use. I have hauled kayaks from Illinois north to Michigan and south to Florida with this carrier. I have carried solo kayaks of 10-foot length (40 lbs each) and 14-foot length (52 to 58 lbs each). I like that when the kayaks are off the roof and you want to pull your vehicle into the garage, or drive around, you can just fold the stands down so they don’t stick up so high instead of having to remove them.
There are two things that could be improved. One is the instructions could be a little clearer on how to use the ropes that are for the front and rear of the kayaks. The main thing though would be to give specific advice and/or an extra gadget for "calming down" the straps that wrap around the kayaks. Sometimes they get vibrating from the 50 to 70 mph winds they feel when you drive on the highway, and they can make quite a racket w/ a loud and annoying humming noise. We have had to stop numerous times to make adjustments to try to get rid of the noise. Here are a few things I have found to help. One is to use kayak covers over the cockpits. Then you can tuck the loose ends of the straps into/underneath the cover, and the center strap which goes around both kayaks goes tightly over the covers. (Last resort you can duct tape the strap ends to something, or wrap them around and around till they're a big tight ball.) Another thing I did was to place the one strap that goes around both kayaks a bit forward from the mid-point of the kayaks (instead of a bit behind the mid point), so it has the tendency to pull the noses together instead of apart. The third thing I did was underneath the kayaks where that strap goes across just above the car rooftop – it is very taught and can vibrate, so I ran a piece of duct tape from the van roof up over that strap and back down to the roof. That did not give the strap any opportunity to vibrate.