Sea Foam in a 2015 Genesis 3.8.l [SOLVED] Asked by James M. In Florida Can you use Sea Foam Motor Treatment in a 2015 Genesis 3.8.l cat?
Yes, Sea Foam Motor Treatment is safe and effective in the fuel and oil of a 2015 Hyundai Genesis.
[Note: not sure if you’re asking, but it won’t clean a catalytic converter].