Watch the 852-HP Hennessey Dodge Charger Hellcat Hit the Dyno

Hennessey HPE850 Dodge Charger Hellcat On Dyno

It takes a special kind of lunatic to glance over the spec sheet of a Dodge Charger SRT Hellcat, notice the 707 hp on tap, and say, “Yeah, we can do better.” The power-mad tuning wizards over at Hennessey Performance are just the type of tuner to do this, and have just revealed their new HPE850 package for the 2015 and 2016 Dodge Charger SRT Hellcat. As the name suggests, power jumps from a heady 707 hp to a whopping 852 hp. Strap the Dodge Charger SRT Hellcat HPE850 to the dyno, and the supercharged monster will put down 741 hp and 652 lb-ft of torque at the rear wheels. To make this earth-moving power, Hennessey makes a raft of modifications to the 6.2-liter supercharged V-8 engine. The ECU is swapped out for a custom unit, and engineers install a high-flow air intake, a pulley that increases supercharger boost by about 2 psi, a ported throttle body, and a ported supercharger housing. The end result is an astonishing increase of 145 hp. To differentiate the HPE850 from the limp-wristed base Charger Hellcats you are bound to see on the drag strip, the Hennessey Hellcat comes with embroidered Hennessey headrests on the inside, along with HPE850 badging on the exterior. Each HPE850 is numbered, with a special dash plaque on the inside, as well as a serial plaque on the engine. Don’t have the Charger, but own the keys to a Challenger SRT Hellcat? Don’t fret, as the 852-hp upgrade is available for the coupe as well. Pricing has not yet been announced, but you can contact Hennessey for further details. Take a look at the new Hennessey Charger SRT Hellcat HPE850 making some noise on the dyno in the video below.

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