BOOSTane Professional is formulated to increase octane levels up to 116. This formula provides professional racers and racing enthusiasts a safe and convenient alternative to expensive and cumbersome racing fuel. This product is not street legal. Up to 116 octane: Fully customize your fuel to your exact engine tune.  Anti-corrosion against ethanol: Restores engine lubricity, corrosion and extends engine life. Increased performance: Run your engine at higher compression and safely get your desired performance boost. Anti-carbon build up 32 fl oz can