Constructed from a three-layer blend with an aluminum impregnated glass fiber outer shell with a high temperature insulating core and silica blend insert. The double stitching and strong anchoring points make this Turbo blanket look great and perform even better. Keeping the exhaust heat in the Turbo housing accelerates the start of the turbocharger and the speed of the gases is faster resulting in a power increase. Faster start time of the turbocharger & nbsp