This is the Hennessey Mammoth 1000 TRX. ‘Mammoth’ because ... custom front and rear bumpers, and an abundance of ‘Mammoth’ badging. It all comes with a two-year, 24,000-mile warranty.

Hennessey Performance tuned Dodge Charger Hellcat and RAM TRX go head to head in a 1,000-HP slugfest, courtesy of carwow. In ...