Custom fit turbo heat shiled reduces turbo lag while protecting other engine components. The turbo heat bags are custom fitted and use cutting edge technology to keep heat in the hot side of the turbo where it belongs. The custom fit design means you do not have to trim or fit the heat shield blanket to fit your turbo housing which make installation easy. Capable of withstanding 982.2°C (1800°F) Continuous heat the turbo heat shields are designed for racing and road tuning applications.