The multi-purpose formula contains technically advanced additives specially designed to clean, restore, and bring your entire engine, including the fuel and exhaust system, back to life. The powerful formulation will optimize fuel efficiency, reduce emissions, improve torque, throttle response and BHP. Once added to the fuel tank Clean Cat™ gets to work immediately, removing harmful carbon and resin deposits from the catalytic converter, DPF and engine, in turn restoring the overall performance of your vehicle.