I am always sceptical of products that make claims like this.
The marketing literature make it seem to work like a high performance octane booster. I can find no sign that it's safe for catalytic converters or general emissions equipment. I can't find any independent testing outside of their own webpage to verify octane claims although other similar products exist and DO seem to have some verified independent testing. I actually expect this product is one of these with a different label as is often the case with these things.
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