Bought these in March/2011 at Garden Grove Nissan in Southern California. Was going to install to carry around my roof box, but never got around to using it. Crossbars were on the car for a couple weeks. Nothing has been mounted on it.
The whole kit goes for about $550ish at the Calgary dealers.
Looking to get $350obo. Comes with 2x crossbars, 4x end pieces that attach to rails, and 8x bolts.
PM me if you have questions.
http://i.imgur.com/IErI1.jpg
http://i.imgur.com/KigIv.jpg
http://i.imgur.com/KyLTR.jpg
Card was used for size reference, since I didn't have a tape measure handy.