2021 Ram 1500 TRX, Now With More Supercharger and More Hennessey Delivers 1,012 HP!

We’re stoked to see that Hennessey—creator of various Goliath, VelociRaptor, Mammoth, and Maximus mega-powerful truck builds—has gotten around to fiddling with the Ram 1500 TRX. You see, MotorTrend’s 2021 Truck of the Year is the hottest hot-rod off-road pickup truck to hit the market since the Ford F-150 Raptor hit the scene over a decade ago. Hennessey […]

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We’re stoked to see that Hennessey—creator of various Goliath, VelociRaptor, Mammoth, and Maximus mega-powerful truck builds—has gotten around to fiddling with the Ram 1500 TRX. You see, MotorTrend’s 2021 Truck of the Year is the hottest hot-rod off-road pickup truck to hit the market since the Ford F-150 Raptor hit the scene over a decade ago. Hennessey calls its TRX-based creation the Mammoth 1000, and you can probably guess what that number in the name is a reference to.

Huge Power on Top of Huge Power

What could Hennessey possibly do to the TRX, whose factory-supercharged 6.2-liter V-8 makes 702 hp and 650 lb-ft of torque in stock form? More. There are many ways to squeeze out more ponies, and luckily that’s what Hennessey’s all about. The modded Hennessey Mammoth 1000 TRX therefore cranks out 1,012 hp and 969 lb-ft of torque, topping the insane factory numbers by a staggering 310 hp and 319 lb-ft of torque. The gain alone is what relatively moderns V-8s make. Take my money, please—oh wait, that’s $135,350, to be exact.

The highlights of the Hennessey Mammoth 1000 Ram TRX are, of course, the underhood mods. Don’t believe the internet—gaining 300 hp and attaining quadruple-digit horsepower numbers takes more than a tune and a new intake and exhaust. Hennessey makes extensive upgrades to the TRX’s 6.2-liter to help it get more air and gulp more fuel: a 2.65-liter supercharger system (factory is 2.4L), upper and lower pulleys, stainless-steel long tube headers, high-flow catalytic converters, bigger fuel injectors, high-flow mid pipes, high-flow air intake, crankcase ventilation system, and Hennessey tuning, to name a few. The resultant 1,012 hp helps the TRX scoot from zero to 60 mph in a claimed 3.2 seconds (the factory claim is 4.5 seconds, and the pickup turned in a 4.1-second rip in our testing), making this the most powerful and quickest Ram truck built by Hennessey. We’re excited. And scared.

 

With Great Power Comes … The Appearance of Great Power

The Mammoth 1000 Ram TRX also sports a so-called Mammoth Off-Road Stage 1 package that includes LED-light-equipped front and rear bumpers, a 2.5-inch front leveling kit, 20-inch Hennessey 10-spoke wheels, and 35-inch tires (the Hennessey rendering indicates Goodyear Wranglers, which is what the factory TRX has). So Hennessey offers a 20-inch wheel in place of the factory 18s but sticks with a 35-inch tire rather than at least a 37? We’re crying a little inside. Moving on, an electronically retractable bed cover and upgraded electronic fold-out steps add convenience, and Hennessey and “MAMMOTH1000” badges mark the already-special TRX as even more special-er.

 

The turnkey Hennessey Mammoth 1000 TRX price tag of $135,350 includes professional installation, chassis dyno testing, up to 200 miles of road testing, and a 2-year/24,000-mile warranty. That’s a pile of hard-earned dough for sure, but the TRX is already pricey, and c’mon man—1,000 hp!

 

Hennessy is going to limit production of its 2021 Ram 1500 TRX Mammoth 1000 to 200 vehicles, and each build will include serial numbered plaques. The hot-rodded TRX can be ordered through authorized FCA/Ram retailers or Hennessey directly, with delivered beginning around April 2021.

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