The Hennessey-possessed Demon 170 will get the custom-built engine with a pair of precision 7576 turbos instead of the supercharged HEMI installed by Dodge’s Special Racing Technology gang.

With over 1,000 horsepower, the Dodge Challenger Demon 170 is already a handful. So, naturally, you'd want to chop the roof off and make it even tougher to manhadle, right?

The tuner’s crazed Demon 170 packs an overhauled 7.2-liter Hemi V8. Dodge’s supercharger has been replaced with two massive turbos. Hennessey says the car will run down the quarter-mile in ...

Credit: Mashable Dodge claims the Demon, really a souped-up, tricked-out Challenger, is indeed the fastest car in the world, boasting 0 to 60 mph acceleration speed in 2.3 seconds.