Hennessey Performance Engineering (HPE) is expanding its lineup of modified Ram TRX monster trucks with the 2021 Mammoth 1000. According to Hennessey, its latest creation “brings all other trucks to their knees” (except the gargantuan Hennessey Mammoth 6×6, of course) with a combination of blistering pace, a high-strung supercharged V8 engine, and impressive all-conquering, all-terrain capabilities.

The Ram 1500 TRX is exciting in stock configuration, but I’m seeking extraordinary,” said John Hennessey, Founder and CEO of HPE.
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https://www.slashgear.com/the-2021-hennessey-mammoth-1000-is-a-ram-trx-with-1012-horsepower-20655869/