Champion Professional Grade Octane Booster safely stops knocks, pings, hesitation, and restores performance. Plus, maximizes power, removes carbon deposits, improves ignition and responsiveness, and helps fuel burn cleaner. Reduces the need for premium gasoline. Use at every gasoline fill-up to boost octane level up to 15 points or 1.5 RON. When you boost the octane level, it improves horsepower and increases acceleration.