Do stuff better with new Xterra Fuel System. A Fuel System will deteriorate over time. Xterra Fuel System will grab people's attention. So make your vehicle run more efficiently with a Fuel System. Take the road less traveled with Xterra Fuel System. These Fuel Systems will help your engine to both conserve more fuel when you want to and deliver a larger fuel load when you need it. A new Fuel System is a great investment for your vehicle.