Aeropak Catalytic Converter Cleaner protects the catalytic converter from clogging with soot. Cleans the mixture preparation system as well as the intake valves and the combutstion chamber. The cumbustion chamber. The combustion improver works directly, which leads to an immedate, measurable reducion of the pollutants. Clean engines use less fuel and emit less CO2. Prevents corrosion in the fuel system. Tested for turbochargers and catalytic converters.