Make adding Fuel Additive to your 2011-2016 Ford 6.7L Powerstroke a routine during every fill-up. Additives are formulated to provide your engine with what it needs to improve performance, reduce smoke, and clean engine and fuel system components. Some additives enhance fuel system performance, while others are made specifically for cold weather and to reduce fuel gelling in winter temperatures. Put the additives you need in your vehicle from brands like XDP, FPPF, Hot Shot's Secret, Stanadyne, and more!