Hennessey Is Building A Dodge Challenger SRT Demon 170 With 1,700 Horsepower

The Demon is getting a heart transplant.

Hennessey Performance has announced a new upgrade for the Dodge Challenger SRT Demon 170 that swaps its 1,025 hp supercharged V8 for a twin-turbo that cranks out 1,700 hp.

The custom motor is being built by Hennessey using a pair of 7576 Turbos from Precision Turbos.

Full details on the engine haven’t been released, but owner John Hennessey said that the factory engines with be crated and shrink-wrapped for storage so they can be reinstalled anytime. It’s the first offering from the company’s new Hennessey Special Operations (HSO), which is focused on “ultra-exclusive, ultra-high-horsepower” vehicles.

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Like the production Demon 170, the Hennessey cars will make their maximum power when running on E85.

Hennessey estimates it will be able to run the quarter-mile in 7.90 seconds at 175-180 mph, which would destroy the stock car’s 8.91 seconds at 151.17 mph in a race.

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Hennessey is doing the first conversion on his own Plum Crazy Demon 170 and will offer just 11 builds like it. Pricing for the conversion starts at $200,000, not including the car.

Dodge built just 3,300 Demon 170s before production of the Challenger ended on December 22. The final car off the line was a Pitch Black Demon 170, the destination of which has still not been revealed.

Dodge is replacing the V8 versions of the Challenger with the all-electric Charger Daytona coupe that goes on sale late this year. The first official images of the Charger Daytona have been released. It will be offered in three trims and six power levels.

The first two will range from 455 hp to 670 hp, while specifications for the top Banshee trim haven’t been confirmed. The Banshee will be the successor to the Challenger SRT Hellcat and, possibly, Demon models.

The Charger Daytona’s STLA Large platform can accommodate an internal combustion engine powertrain instead of a battery-powered one, but Dodge has yet to confirm if it will offer a model like that.

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If so, it would likely be equipped with the Hurricane turbocharged 3.0-liter inline-six-cylinder that’s coming to the Ram 1500 next year with up to 540 hp.