WEPP 2433 Catalytic Converter Cleaner for gasoline removes carbon-based deposits from the catalytic converter and protects it from damage. Incompletely burned oil and fuel residues are removed. The combustion chamber and the injectors in direct injection engines, as well as the intake valves in port fuel engines, are cleaned. Optimizes combustion and improves emissions values and protects the lambda sensor from failure. Restores fuel consumption to the level of a new car. Sufficient for 80 litres of gasoline.