With a car such as Dodge Challenger Hellcat in your stable, you would think that all the power you want is available.
However, as you probably know, if you have a modified car, once you get used to the enormous power, you want even more.
One place that really could be worth looking for such as their performance Hennessey HPE850 package, boasting just over 850 hPa the crank it looks very promising.
Pursuant around the pulley replacement, a new ECU and Tune, this car seems to be an extraordinary.
For furthermore watch the 850 package in action in the video below.