Videos

Supercharged GT350R on the Dyno

John Hennessey's Shelby GT350R Mustang testing on the dyno with it's HPE850 Supercharged upgrade. Power increase running on Shell V-Power...

1000HP Donuts in a Hellcat Charger

The best donuts are made with rubber and high horsepower! And the 1000 HP Hennessey Hellcat Charger makes some really...

Dodge Demon Set Free!

Want to race your Dodge Demon Hellcat down the full 1/4 mile? John Hennessey drives our HPE1000 Hellcat and discusses the...

PLANNING AN UPGRADE? Get More Information About Hennessey Upgrades Available for Your Car!