BOOSTane Professional Octane Booster (Quart Bottle) Will raise your fuels effective octane to as high as 116. Allowing you to customize your fuel for your exact engine tune. Exact measurements using the BOOSTane smart phone app available in the iTune store. Provides protection against the negative side effects of ethanol. Restores lubricity, prevents flakely sediment, prevents depositing and corrosion, prolongs engine life. Allows for increase performance. Let's your engine run at higher compression and higher boost. Eliminates knock and pre-detonation. Sourcing pails of race fuel is no longer needed. Safe for use on all gasoline engines. The only octane booster available that provides independent third party testing. The only octane booster on the market to win a SEMA YEN Product of the Year Award.