If you're like us here at Stage 3 Motorsports, you're a fan of FASS Diesel Fuel Systems and AirDog Fuel Systems for the products they produce to keep your Super Duty running at its absolute best. If so, then we have some very exciting news to share: we are now offering free overnight shipping on all Fass and AirDog products over $500.00! That means most of our fuel separators and fuel pumps can be delivered to your door the very next business day after you place the order for absolutely no extra cost! If you're still on the fence about going with an air fuel separator or a new fuel pump, now is the perfect time to reap the benefits of overnight shipping and instant savings on your purchase. If you're not exactly sure how an air fuel separator would help your Super Duty run at its best, read on.