I have had one dealing with sled city fiberglass, that was enough. I ordered a hood scoop from them. When I received the box, most of the mounting studs were protruding through the single wall cardboard box. There was NO packing materials in the box with the scoop. Several of the mounting studs were bent from poking through the box and banging into things in shipment. The front mounting stud was not in the center of the scoop opening by about 1 inch. When I contacted the owner, I was told, "bend the studs back to where they should be". This was not a $100 special, I paid over $325 for this. BUYER BEWARE!