Transfer Flow, a well-respected designer and manufacturer of aftermarket and OEM fuel tanks, has a knack for getting the most out of your available space. It offers a 60-gallon replacement fuel system ...

A new auxiliary fuel tank for U.S.-made pickup trucks is designed to fit neatly in the area where a spare tire would go. The 30-gal. polyethylene tank from Titan Fuel Tanks doubles the fuel capacity ...

Titan Fuel Tanks has a 30-gallon auxiliary tank and fuel transfer control unit for diesel pickups that fits under the bed in the spare-tire stowage cavity. Claimed to be a first, the polyethylene tank ...

The 40-gallon fuel tank has a small footprint, maximizing bed space, and a compact height for fitting under many popular tonneau covers, according to Transfer Flow. Transfer Flow has released a ...

Transfer Flow released a new trio of compact in-bed auxiliary tanks with patented recessed cover boxes for 1999-2018 Ford and Ram and 2001-18 GM short- and long-bed diesel trucks that are available in ...