SEP Octane booster

Has anybody on here used STP Octane Booster or Boost 104. I'd like to buy some Boostane but can't seem to source it locally. This will be for a onetime use.

i would use Lucas or Royal purple octane boost. They both raise octane 30 points which is 3 actual octane numbers. 91 to approximately 94.

Thanks for your reply. I've seen those also but didn't want to list all of them. I'll take your advice.

If you have amazon Prime shipping is free on Boostane.

I stick with Torco


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