If you think the Navigator’s 450 HP are more than enough, wait ’till you see what Hennessey’s tuned one can do.

Hennessey wants its most powerful McLaren 600LT to be as quick as the Speedtail hypercar.

The tuned 600LT’s HPE800 moniker is, in all likelihood, signifying the supercar’s new power figure.

The trio went to an abandoned part of Detroit to compare tuned versions of America’s top muscle cars.

Among the host of custom options, Hennessey has also fitter a custom mount for… a .50-caliber machine gun!.

Hennessey has detailed some of its forthcoming mods for the new Ford Bronco.

The tuner’s HPE1000 upgrade package ensures road and dyno testing and adds a few other extra gizmos.

Watch the 600LT challenge the mighty 720S in a shoulder-to-shoulder run down the drag strip.

The Demon might have been discontinued, but its spirit lives on in this Hennessey-prepped Redeye.

Hennessey introduced their GT ’67 Heritage Edition to the dyno to find out its true output.

McLaren has started delivering the first examples of its new 600LT, with the first one in the US landing in Hennessey.

The supercharged 5.0-liter V8 allows the performance pickup to go from 0 to 60 mph in 4.1 seconds.