Special active solvent with a high-tech additive combination for removing typical contamination and deposits found in the intake and combustion system. The high cleaning effect ensures a clean catalytic converter and reduces the exhaust emissions. Catalytic-System Cleaner dissolves and removes deposits and contaminants such as oil, resins, adhesive residues, etc. of the intake and combustion system. Increases the reliability of gasoline engines and the catalytic system. Recommended for preventative use during every inspection.