Hennessey

Hennessey injects the Mustang Dark Horse with enough horsepower to give a supercar a scare.

Ram's 1500 loses the V-8 after 2024, and that also means the end of the road for Hennessey's V-8-powered Mammoth 1000.

Hennessey aims to take the production-car top-speed crown back.

Hennessey plans a new blueprinted twin-turbocharged engine for the Demon 170 to get horsepower up to hypercar levels.

Hennessey's latest upgrade for GM's light trucks adds a supercharger to the available 6.2-liter V-8 to deliver a dyno-proven 650 hp.

Watch Hennessey's 775-hp F-150 take on a Mustang Dark Horse in a drag race.

Hennessey is offering an Exorcist Camaro ZL1 ‘Final Edition’ package limited to just 57 units.

Watch the Hennessey H1000 CT5-V Blackwing challenge a C8 Chevrolet Corvette Z06 in a 40 roll.

Just 12 of the 1,817-hp roadsters will be built.

Hennessey has upped the power of the track-focused Mustang Dark Horse by 70%.

Hennessey's VelociRaptor 500 upgrade for the Ranger Raptor adds 95 hp to the mid-size performance pickup.

Six wheels, eight cylinders, and 700 hp is a combination for endless fun—at a big price.

Hennessey's supercharged C8 Corvette Stingray delivers genuine supercar performance.

New Hennessey Venom F5 Revolution offers 1,817 hp in a package that should save 100 pounds versus the standard Venom F5.

Hennessey will take the F-150 Raptor R's V-8 to hypercar performance levels.

The Hennessey Venom 1200 Mustang GT500 increases the Ford Mustang Shelby GT500's output from 760 to 1,204 hp.

Ford's Bronco Raptor is the latest vehicle to receive Hennessey's Velociraptor treatment.

Ford's latest F-150 Raptor can be be had with six wheels thanks to Hennessey.

Hennessey's Venom F5 Roadster is potentially the fastest open-top car in production.

With development complete, Hennessey's next goal with the Venom F5 is to blow past 300 mph and set a new land speed record.