Has anyone established that attaching a mesh will cause your rad or hoses to crack? I can see GM's point for not covering damage caused by outside sources though. Where would the line be drawn? If a rock flies up from a vehicle and damages a windshield, a headlight, or the paint, would drivers expect GM to cover that? Many of us have had rads plugged by bugs and debris over the years but I've never heard of anyone expecting GM to cover costs for this. If a mesh causes your car to run hot and cooks an engine, I would expect GM would deny a claim based on the modification and the owner not recognizing that his ride is running hotter than it did before the mesh. JMO