H Rail Upgrade Kit for the Hobie Outback kayak. This kit allows you to swap out the bungee in the rear H-Track assembly with a second set of H Rails. This kit includes everything you need for an easy install and increase the number of mounting options behind the seat of your Hobie Outback. Ships with 2x H Rail Track DLX, 2x RIGHT H Rail Mounts, 2x LEFT H Rail Mounts, and 4 cargo hooks.