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 ...

Titan's cross-linked polyethylene, Spare Tire Auxiliary Fuel System is designed to repurpose the space used to stow a vehicle's spare tire and essentially double the fuel capacity of most pickups. The ...

If you own a classic muscle car from the '60s or '70s, you may have found yourself staring down the abyss when it comes to fuel systems. Your dilemma: You want to add more power (or maybe already have ...