Attention

STP® 1 Tank Tune Up™  is safe to use in any gasoline engine and is compatible with cap-less gas systems. Keep out of reach of children and pets.

  • 12 Fluid Ounces

Product Description

1 tank
tune upTM

Fuel Intake & Exhaust system fix

STP® 1 Tank Tune UpTM is our most powerful fuel additive. Its proprietary blend is specially formulated to survive high temperatures in the combustion chamber, cleaning through the fuel intake system and the exhaust system, helping your engine run more smoothly and efficiently in a single use.

Exhaust System Fix works to:

    • Reduce Up to 50% of Hydrocarbon Emissions

Reduce the release of harmful Exhaust Emissions

    • into the environment.
    • Clean dirty oxygen sensors to help

prevent failure and malfunction

After_Before

Deep cleans fuel intake system including:

    • Fuel Injectors
    • Intake Valves
    Cylinder head & Piston Tops

After_Before_2

Attention

STP® 1 Tank Tune Up™  is safe to use in any gasoline engine and is compatible with cap-less gas systems. Keep out of reach of children and pets.

Usage Directions

Add to fuel tank before refueling.  Fill tank with gas according to treat rate below.  Use as needed to treat symptoms like emissions failure, rough running engine, knocking, hard starts or poor fuel economy.  Use 4 times per year as a preventative measure for optimal performance.

TREAT RATE:

  • One bottle (12oz) optimally treats fuel and exhaust system for vehicle with 21 gallon tank.
  • Use more/less according to tank size, i.e. 8oz (2/3 bottle) for 14 gallon tank or 18oz (1½ bottles) for 31.5 gallon tank.
  • For use in any gasoline engines, including turbo, direct inject and hybrid.  Will not void warranty.