Turbodyne Technologies Turbopac is a retrofit device installed between the air intake system and the turbocharger in turbo-charged vehicles, and the intake air cleaner and engine manifold on nonturbocharged vehicles. Consisting of a high-speed, brushless motor and electronic power controller, it is available for engines ranging from 1.5 L- to 12 L-displacement (93 in.3 to 750 in.3). Other products include the Dynacharge, an OEM product under development with a high-speed electric motor/generator that is integrated directly into a turbocharger, and the Turboflow, a hybridized version for industrial applications.