Ruger
FRF Addict
Here's the risk. In today's highly litigious reality if you get in an accident and are involved in a lawsuit, the other side with go through your truck with a fine toothed comb. Anything that isn't DOT approved can be argued in court, and it certainly will be if the other side can concoct a relationship between what happed in the accident and what's non-DOT about your vehicle.