Our most advanced formula with STP Wearguard RESTORE PERFORMANCE REDUCE FRICTION INHIBIT CORROSION POWER BOOSTER PREVENT HARD STARTS AND ENGINE HESITATION REDUCES KNOCKING AND PINGING SAVE FUEL REDUCE EMISSIONSEngineered with a special blend of high-performance detergents, power booster and friction modifier, STP Ultra 5-in-1 is our most advanced formula. Designed to bring out the best in your car, STP Ultra 5-in-1 helps restore the performance you once enjoyed. So if you would like to enhance your engine and give your car the ultimate clean up resulting in more miles to the gallon, STP Ultra 5-in-1 is the perfect product for you and your vehicle.DIRECTIONSSimply add to your fuel tank every 4000 miles.IS IT SAFE TO USE IN MY VEHICLESTP Ultra 5-in-1 Petrol System Cleaner is suitable for all classic/modern engines and catalytic converters.TAKE NOTE!Perfect for giving your fuel system the ultimate clean up with added protection and power booster.
