Hennessey Performance is the type of company you go to when what you get from the factory isn’t as powerful as you want. The Texas crew isn’t the only one to offer aftermarket tuning, but it’s among the best in the business and it covers a wide range of vehicles from Ford, General Motors, and Chrysler. For 2015, Hennessey’s offer is about to get larger and include a couple of packages for the awesome 2015 Dodge Challenger SRT Hellcat. As this video shows, the tuner just got its hands on a Hellcat and tested it on the dyno, as usually happens with all new cars set to receive Hennessey updates.

It sounds pretty crazy to want to squeeze more oomph from the car’s 707-horsepower, supercharged V-8, but the Hellcat X is solid proof as there’s no such thing as too much horsepower.

There aren’t many details available yet, but Hennessey’s website says there are two upgrades in the pipeline — the HPE800 and the HPE850. The first one will increase output to 805 horsepower (as much as the Hellcat X), while the second one will have 852 horses on tap. That’s 98 and 145 horses more than the standard Hellcat. No word on performance, but both should be stupid fast. Drivetrain upgrades aside, the Hennessey Hellcat will also feature "Hennessey" head rests and emblems, "HPE" badges, and numbered dash plaques.

We’ll be back with more info as soon as Hennessey Performance spills the beans.

2015 Dodge Challenger Hellcat

2015 Dodge Challenger SRT Hellcat High Resolution Exterior
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Find out more about the Challenger SRT Hellcat from our review here.

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