DEI Turbo Shield T4 - Shield Only - Ultra 47Turbo Shields solve the problem of extreme underhood heat, stops heat damage of painted or carbon fiber hoods and helps turbos spool faster. Made from a Tri Layer mix of an Aluminum impregnated Glass fiber outer shell with a Hi Temperature insulating mat core and Silica glass blend liner. Double stitching and heavy duty capped anchor points make this Turbo Shield Look great and perform even better. Keeping the exhaust heat in the Turbo housing reduces