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The 2021 Hennessey Mammoth 1000 Isn’t Your Average Ram TRX

The all-new Ford F-150 Raptor for 2021 is just around the corner, but until the February 3rd unveiling event, the Ram TRX remains the coolest truck in the half-ton segment for all the right reasons. As expected of Hennessey Performance Engineering, the Texas-based tuner couldn’t refrain from making the Hellcat-engined pickup a little more cooler.
2021 Hennessey Mammoth 1000 Ram TRX tuning program 105 photos
Photo: Hennessey
2021 Ram 1500 TRX VIN No. 0012021 Ram 1500 TRX VIN No. 0012021 Ram 1500 TRX VIN No. 0012021 Ram 1500 TRX VIN No. 0012021 Ram 1500 TRX VIN No. 0012021 Ram 1500 TRX VIN No. 0012021 Ram 1500 TRX VIN No. 0012021 Ram 1500 TRX VIN No. 0012021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck2021 Ram 1500 TRX off-road pickup truck
Enter the 2021 Hennessey Mammoth 1000 special edition, which is limited to 200 units for the first year of production. Priced at $135,350 including the donor vehicle, the gentle giant with 1,012 horsepower and 969 pound-feet (1,314 Nm) of torque is covered by a two-year or 24,000-mile warranty.

The additional suck-squeeze-bang-blow comes courtesy of an upgraded blower, pulley, stainless-steel headers, a high-flow exhaust system, and ECU remapping. In addition to go-faster enhancements, the Mammoth also rocks an off-road package that includes a 2.5-inch (63-mm) suspension lift.

A retractable electronic bed cover, electronic fold-out steps, a custom front bumper with LED lights, 20-inch wheels with a 10-spoke design, and 35-inch all-terrain tires also need to be mentioned, along with Hennessey and Mammoth 1000 exterior badges. Of course, customers will be reminded of their purchase with a pair of serialized plaques for the engine and interior.

“The Ram TRX is exciting in stock configuration, but I’m seeking extraordinary,”
said founder and big kahuna John Hennessey. “The Mammoth 1000 upgrades completely transform this impressive pickup into something astonishingly powerful, visually exciting, and indisputably unique.”

On paper, the off-road leviathan appears to be pretty well suited to the blacktop as well. Hennessey Performance Engineering quotes 3.2 seconds to 60 miles per hour (96 kilometers per hour) with those ginormous rubber shoes, matching the straight-line performance of the Porsche 911 Carrera 4S with the Sport Chrono Package and PDK dual-clutch transmission.

The quarter-mile pass is seriously impressive in its own right at 120 miles per hour (193 kilometers per hour) in 11.4 seconds. For the sake of reference, Ram Trucks quotes 4.5 seconds and 12.9 seconds, respectively.

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Editor's note: Stock Ram TRX pictured in the gallery.

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About the author: Mircea Panait
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After a 1:43 scale model of a Ferrari 250 GTO sparked Mircea's interest for cars when he was a kid, an early internship at Top Gear sealed his career path. He's most interested in muscle cars and American trucks, but he takes a passing interest in quirky kei cars as well.
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