T4 Turbo Charger Turbo Blanket (FR-UNI-TB-T4-N)The Full Race T4 Turbo Blanket (Natural) is designed to protect your investment and maximize turbo performance by insulating heat inside the turbocharger's hot side. This superior heat management reduces turbo lag by increasing turbine efficiency and provides a huge reduction in engine bay temperatures. The natural color comes from the basalt volcanic rock outer layer, which shields surrounding components like plastic lines and electrical wiring from