Using your RAM for hauling, towing or long-distance driving? Now you can replace that smallish original equipment (31 gallon) tank with a super-large, super-strong, TITAN and give yourself hundreds of additional miles of range with every fill-up. This big TITAN product allows you a lot more flexibility to choose the price, the time, and the place to interrupt your trip and fuel-up. (51 Gallon TITAN Tank) Stop nearly half as much when you?re on the road?cover more ground and don?t clutter up your truck bed with extra fuel containers. Our new Mega Cab tank is made of our famous military grade, cross-linked polymer (XLHDPE). It?s at least ?in thick and built to outlast all competitors. It?s tougher than steel and more durable than aluminum. We routinely test our products using state-of-the-art computer simulation as well as actual, physical drop tests. We fill our tanks completely and drop them 30 feet onto a steel plate---never losing a drop of liquid. Our legendary products are so tough and well-proven that we back them with a Lifetime Warranty!;This product comes with stainless steel interior flanges, galvanized steel mounting straps, plated high-strength steel front support, mounting bushings (7030213 only), rollover safety vent valves and all the needed accessories. Tank features exclusive low fuel trap design and only hangs 2.875in lower than bottom of stock (OEM) tank The 7030213S product includes a custom molded shield which is recommended if truck is to be subjected to rigorous off-highway use. Installation is clean and easy?no drilling or cutting required. For model 2500 and 3500 Cummins Diesels with Mega Cabs, and 6 ? foot beds. For model years 2013-2017.;TITAN Underbody replacement tank for RAM Mega Cab Pickups with 6 ? foot beds. Models 2500 and 3500 with Cummins Diesel Engines 2013-2017.