I have a 2011 rt and wanted some protection for underneath. I was looking into metal ones but none were offered for older than a 2014. I was thinking of making one because I have the skills but after reading reviews of thus on the spyder lovers forum I decided to buy one. It was a pita to get all the nut plates lined up perfectly but once lined up it's ok. I wish it was formed more to the curvature of the bottom though. That's why it's only 4 stars, otherwise it would be 5. It's a very good product and I'd recommend it.