Backed by extensive testing and revolutionary, cutting-edge science and technology, our exclusive Syntek products give you effective results you can count on everyday. Over 3 billion miles later, our flagship product, XFT, is still making engines run better all over the globe. For our customers, XFT helps their engines run at peak performance—which means better gas mileage, more horsepower, and longer engine life. For everyone else, XFT helps reduce emissions—which means cleaner air for everything that calls our planet home. LUBRICANTS Reduces friction from pistons, pumps, and injectors, which would ultimately wear down the engine, therefore prolonging the engine’s working life.