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Feature

This two-in-one formula boosts octane and cleans the fuel intake system
Restores power and acceleration
Helps reduce knocking and pinging
Use regularly when you fill up your tank
Compatible with cap-less gas systems

Description

Want to maximize fuel efficiency and avoid problems such as rough idling, weak acceleration, stumbling and stalling? STP fuel additive products can help. Our redesigned fuel additive bottles are compatible with cap-less fuel tanks. STP Octane Booster helps restore horsepower and acceleration by removing deposits and cleaning the fuel intake system.