Everything was installed by the pros at Hennessey. This 1019 horsepower, 969 lb-ft of torque, 2024 RAM TRX Mammoth 1000 crew ...

The clash between the Hennessey Mammoth 1000 RAM TRX and the Ford GT was an unforgettable event for American car enthusiasts. Spectators witnessed the awe-inspiring power and precision of these ...

This is the Hennessey Mammoth 1000 TRX. ‘Mammoth’ because, well, it’s a big hairy beast, ‘1000’ because it has 1000bhp and near-as-dammit 1000lb ft of torque, and ‘TRX’ (T-Rex, geddit?

If the sound of a supercharger’s whine is the sound of power, this Hennessey-upgraded Super Truck hits like a banger.

Texas-based engine maker Hennessey Performance Engineering has come up with an SUV that's maybe just a little over the top. Based on a Ram TRX pickup truck, 7-passenger Mammoth 1000 features a ...