Mass Back carpeting is designed to look and feel like standard carpeting, with the same hard-rubber backing to reduce road noise and heat transmission from your exhaust system. We also provide customers with low-cost Poly Back materials with jute padding for preventing moisture build-up during inclement weather. For both coupe and convertible variants, American Hydrocarbons. provides all of our C4 custom Corvette interiors. C8 Corvette Z06 C8 corvette stingray