Bring back the retro fun with FJ Cruiser Fuel System. A Fuel System will deteriorate over time. Climb to the top of the hill with FJ Cruiser Fuel System. So make your vehicle run more efficiently with a Fuel System. FJ Cruiser Fuel System make for great upgrades. 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.