The heart of the 2018 Dodge Challenger SRT Demon is the supercharged 6.2-liter HEMI Demon V8, rated at 840 horsepower and 770 pounds-feet of torque. The red-painted Demon engine has been certified to the SAE J1349 industry standard for its horsepower and torque ratings. The engine also meets all applicable legal emissions regulations.
While the Demon V8 shares its architecture with the 707-hp 6.2-liter supercharged HEMI Hellcat V8, it is not simply a Hellcat engine with more boost.
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