Features:OCTANE BOOSTER restore lost performance,remove deposits which cause knock and ping, hesitation and stumble,stop knockOCTANE BOOSTER helps Restore HorsepowerUse Every TankThis 2-in-1 formula boosts octane and cleans fuel intake system to restore lost performance.Octane Booster helps:Restore lost performance Remove deposits which cause knock and ping,hesitation and stumble Stop knock and ping