I was cleaning the L today and noticed the radiator was loaded with bugs, big icky bugs. It looked like the radiator had one of those covers on it like the diesel guys use. After I cleaned it with compressed air it actually looked silver and not crusty brown. Well, I betcha it has 20% more cooling capacity now. Call it the debugging mod. cheap. Whats the last thing that goes through a bugs mind when it hits your vehicle?? It's A$$