Catalytic Converter Cleaners

Refresh your exhaust system with FlowRods catalytic converter cleaners. Our 120ml pour-in formula helps reduce carbon buildup and maintain smoother exhaust flow without removing the converter.

Choose Your Cleaner Pack

Explore single-product pack options, a three-bottle pack (360ml total), or a four-bottle pack (480ml total) for repeat care or multiple vehicles.

  • No converter or engine disassembly required
  • Compatible with gasoline and diesel vehicles
  • Each 120ml bottle treats up to 30L of fuel

Read the cleaner directions and FAQ, or pair cleaner with an O2 sensor spacer kit.

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