Will Sea Foam spray effect my car’s catalytic converter?[SOLVED]

Will using Sea Foam Spray do anything to hurt the catalytic converter on my Lexus LS400 4.0L?

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Jim D.
4 years ago

Thanks for the question Jim. No, Sea Foam Spray does not have any effect on a vehicle’s catalytic converter. Sea Foam Spray is used up in the combustion chamber so it’s all vaporized with the hot exhaust as everything is sent toward the tailpipe.