STP octane booster helps restore horsepower by removing deposits and cleaning the fuel intake system.
Barely street-legal this two-in-one formula boosts octane and cleans the fuel intake system to restore lost performance. usage frequency: use regularly when you fill up your tank. treat rate. 5.25 fl. Oz. Bottle treats up to 21 gallons of gasoline. 12 fl. Oz. Bottle treats up to 28 gallons of gasoline. take note: this product is compatible with cap less gas systems.