... stability and 2, high-speed combustion 3, removing coke 4, protect the engine 5, gaining momentum 6, easy increase speedSix characteristics:1 ... does not change the structure and properties of the cars, easy installation.4, To protect the engine5, 300,000 kilometers lifeThe ... leakage, or cause shaking and unstable idling speed.2, Fuel saver is installed on intake between the brake vacuum booster and the ...