Question: are there any additives for cleaning catalytic converters?
Answer: #1 – Cataclean Engine and Catalytic Converter Cleaner. ... , #2 – CRC “Guaranteed to Pass” Emissions System Formula. ... , #3 – Solder-It CAT-1. ... , #4 – Oxicat Oxygen Sensor and Catalytic Converter Cleaner. ... , #5 – Hi-Gear HG3270s. ... , #6 – Sledgehammer Run-Rite Kit. ... , #7 – Sea Foam Motor Treatment.