Add Fuel Additive to your 2003-2007 Ford 6.0L Powerstroke every time you fuel up. While additives are designed to enhance fuel system performance, other additives are available specifically for cold weather and to reduce fuel gelling while providing protection in the winter. Additives are formulated to provide your engine with what it needs to improve performance, reduce smoke, and clean engine and fuel system components. Shop today and find the additives you need for your vehicle from XDP, Lucas Oil, FPPF, Hot Shot's Secret, Stanadyne, and more!