Not sure which 2008 Nissan Titan Bed Caps & Bed Rails are right for you? We have over 1881 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Steven B from Frisco, TX said, "I've been waiting for since Christmas to get these installed and I finally did today. I really love the looks of them. If you are installing these on a Nissan Titan truck with the black plastic bed caps, you will want to view the following link before installing. http://www.clubtitan.org/forums/showthread.php?t=22172 You have to be very careful when cutting out the hole for these rails. You do not cut out the indented square. If you do, the round gasket that is provided with these rails will not completely cover the whole. There are also some great pictures with that link that will be very helpful in your installation.It will definitely be worth the time and effort when you get them installed."