STP® Octane Booster:

Helps restore horsepower by removing deposits and cleaning the fuel intake system.

This 2-in-1 formula boosts octane and cleans fuel intake system to restore lost performance.

Used regularly Helps:

Restore lost performance
Remove deposits which cause knock and ping, hesitation and stumble
Increase octane level in fuel system

Usage Frequency:

Use regularly when you fill up.

Treat Rate:

5.25 oz. bottle treats 21 gallons