Nitrous Express Dodge Hellcat Supercharger Lid w/Integrated Nitrous Passages (Lid Only)This Billet Supercharger Lid for Hellcat Demon applications replaces the factory supercharger lid for a quick and clean install. The improved airflow design of the lid increases HP by itself and makes the blower 'whine' more pronounced. Made from a solid chunk of billet aluminum this lid has integrated nitrous passages that allow perfect distribution of nitrous and fuel directly in the supercharger rotors. Warranty This Part Fits: Year Make Model