The most impressive model in Hennessey’s line-up at this point is without a doubt the Venom GT, but with Hennessey, the best always seems to get one-upped by their next project. The vehicle ready to take on the challenge is the new HPE800 Concept based on the new McLaren MP4-12C. As its name suggests, the HPE800 will get a power upgrade to the tune of 800 HP - up from the current 592 HP. Next to this, the tuner will also be offering a more aggressive aero package, new wheels, and interior changes.

Hennessey was able to massage more power out of the McLaren’s 3.8-liter twin-turbo V8 by adding an upgraded intercooler system, air intake system, and ball-bearing turbochargers, as well as ECU updates and, of course, a new Hennessey titanium exhaust system. These updates will allow the MP4-12C to push out the aforementioned 800 HP.[...]

Source: topspeed