Description: This listing is for one thermal heat wrap roll with stainless steel and ties (Color Listed in the Title!). Thermal wraps for exhaust or headers is important for controlling temperatures and reducing the radiant heat under your hood. It can be also used for the exhaust to keeping the gasses hotter within the exhaust system. It will also help in decreasing density and increase the flow of exhaust gases. This will lead to a reduction intake temperatures. .