Autoguard Octane Booster is formulated to help stop knocking caused by low octane fuel. It contains special additives to increase octane and clean fuel system. Autoguard Octane Booster does not contain alcohol and is safe for catalytic converters and oxygen sensors. It can be used in carbureted, fuel injected and turbo charged engines.

Benefits
Stops knocks and pings
Reduces preignition and dieseling
Helps to smooth rough idle
Improves fuel economy
Increases Octane
Reduces Carbon Monoxide emissions
Improves fuel combustion
Safe for Catalytic Converters and Oxygen Sensors