STP Ultra 5-in-1 Fuel System Cleaner contains high-performance detergents and friction modifiers that come together to form a one-source solution to help to save gas by deep cleaning the entire fuel system, restore peak performance, reduce friction, prevent ethanol deposits and inhibit corrosion.

Product Features:

• Formulated to help save gas and lower emissions by deep cleaning the entire fuel system
• Formulated to help restore peak performance and reduce friction by lubricating engine parts
• Formulated to help prevent ethanol deposits and inhibit corrosion
• Works with modern gasoline engines such as turbo, direct inject and hybrid vehicles
• Compatible with cap-less gas systems