Hennessey’s 1000hp Challenger SRT Hellcat Rumbles On The Dyno

Thanks to its 707 hp supercharged V8, the Dodge Challenger SRT Hellcat is the world’s most powerful production muscle car. Even though it is capable of out-accelerating much more powerful supercars in stock form, Hennessey Performance offers a selection of tuning packages for the car.

At the top of the list is its brutal HPE1000 package. Consisting of key modifications like twin ball-bearing turbochargers with aluminum compressor wheels, a high-flow air-to-water intercooler, stainless steel headers, dual turbo wastegates and an upgraded fuel system among other changes, the car delivers just a touch over 1,000 hp.

When a particularly menacing example hit the tuner’s dyno, it managed to churn out an insane 848 hp and 787 lb-ft of torque at the rear wheels while running on 15 psi of boost. That equates to around 1,060 hp at the flywheel when factoring in a 20 per cent drivetrain power loss, making this Hellcat as powerful as a Bugatti Veyron.

Hennessey says that on a drag strip, these upgrades slash the 0-60 mph (96 km/h) time to just 2.7 seconds, helping to rocket the car down the quarter mile in just 9.9 seconds at 148 mph (228 km/h), a time to match the fleet of hybrid hypercars.


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