GUMOUT REGANE GDI VALVE/PORT CLEANER

Gumout Regane Complete Fuel System Cleaner is a fuel system cleaner that uses Polyetheramine (PEA) to remove deposits and improve fuel economy. It can be used with all unleaded, oxygenated, and reformulated gasolines. To use, add the entire bottle to a nearly empty gasoline tank, then fill the tank with up to 21 gallons of gasoline.