Torque Solution Thermal Turbo Blanket (Gray)Torque Solution Thermal Turbo Blanket Applications: T4 GT35 GT37 GT40 GT45 GT47 GT55 Torque Solution Thermal Turbo Blankets are highly effective at protecting components around your turbo by effectively blocking the heat produced by the hot back housing. Our blankets are made of protective wire mesh, insulated fiberglass layers, and an external silicone Fiberglass layer. Interior Surface: Max Temperature Rating: 2012 Deg F 1100 Deg C Continuous Use