STP Diesel Particulate Filter Cleaner is designed to remove soot particles and carbon from diesel particular fi lters. One treatment helps unclog fi lters, removing accumulated unburnt soot to regenerate the DPF.
STP Ultra 5-in-1 is our most advanced fuel additive formula. A combination of a concentrated detergent additives, STP WEARGUARD technology, cetane and lubricity improver, STP Ultra 5-in-1 is perfect for giving the fuel system the ultimate clean up.
STP Engine Flush is designed to help neutralise harmful
engine acids, unstick internal engine components and prevent
contamination of new oil by removing contaminants left behind by ordinary draining. STP? Engine Flush is designed for petrol and diesel engines.