Quote:
Originally Posted by KRAM36
I don't know the answer to your question, but I have the same issue here. I buy some Octane Booster for every fill up.
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91 is the highest some states have, which is not a problem for the Boxster. Get 93 if you can, but don't waste any money on Octane Booster. Snake oil at it's best. Some have been even been found to reduce power, and some contain ethanol. No good.