It was exactly what I was hoping for. These are multiple layers of thick insulating material (similar to fiberglass). A non-metallic reflective material is used as the first layer, onto which a metallic material with a reflective surface is applied. Comes with basic instructions on how to cut it to fit your turbo (or other) application. The final cut is that the heat penetrates the rest of the material under my hood and I was able to shape it to fit my turbo setup exactly (weird shape). It…