Keep your turbocharger cool and efficient with the SPE Motorsport T4 Titanium Turbo Blanket. Built to handle extreme temperatures, this blanket insulates your turbocharger, reducing under-hood heat and enhancing overall efficiency. This blanket is designed with ti kevlar weave on the main inner and outer layers. Encapsulated inside and out. Most cheap blankets are outer layer only and the inner layer is made of a cheaper glass strand material.