Gumout Professional Formula Foaming Intake Valve and Turbo Cleaner with Carbon Clear and trade; deep cleans GDI (Gasoline Direct Injection) / PFI (Port Fuel Injection) intake valves, as well as, the throttle body, intake ports, fuel injectors and combustion chambers, or turbo compressor and turbine to restore fuel economy and maximize horsepower. Removing carbon and fuel deposits from gasoline engine's intake valves, intake ports and turbos is essential to ensuring optimal vehicle performance. Made with Carbon Clear and trade, the most advanced P.E.A. cleaning agent available, Gumout; Foaming Intake Valve and Turbo Cleaner is strong enough to cut through thick carbon deposits, even at extreme engine temperatures. The patented high foaming formula atomizes better than typical liquid cleaners to thoroughly coat the full air intake/turbo system which ensures a complete system clean while also minimizing the risk of hydro-locking the engine.