With an Extra 100 Gallons of Fuel, You'll Go the Distance Without Needing to Stop For Fuel! Miami to Chicago without stopping for fuel? That's no big deal for you when you install our impressive 100-gallon in-bed auxiliary fuel tank system on your pickup! The auxiliary system is computer-controlled by our patented TRAX 4™ operating system. Computer-controlled automatic fuel transfers mean worry-free operation, and much safer and more reliable operations than gravity-fed systems. Based on the capacity of your vehicle's main fuel tank and the capacity of the Transfer Flow fuel tank, the TRAX 4™ system will transfer fuel at predetermined fuel levels while the vehicle is in operation. Features & Benefits Robot-welded seams provide extraordinary strength Comes complete with all components for installation TRAX 4™ computer-controlled automatic fuel transfers for worry-free operation Built from 12- and 14-gauge high-yield U.S. aluminized steel, for superior durability and strength Baffled to prevent fuel sloshing 6-year, unlimited mile warranty Made in the USA from American-made steel Note: 2010-12 Ram Mega Cab and Crew Cab short bed pickup with single rear wheels require a filler neck (part no. 0500115461).