Eliminates Power-Robbing Air From Diesel Fuel For: Consistent Engine Performance Increased Horsepower Increased Fuel Economy (Saving 8% or more) Drastically reduces the effects of "Hot Fuel" Easier/Quicker Starts Reduced Engine/Cab Noise Improved All-Weather Performance Drastically Reduces/Eliminates Black Smoke Reductions in NOX and Carbon Monoxide Excellent Cold Weather Performance Smoother Idle and Quicker Throttle Response Extended Fuel Filter Life