
With 707 horsepower stock, one wonders what a light breeze of engine tuning might do to the Dodge Charger SRT Hellcat's output. The 6.2-liter Hemi V8 is already supercharged, which means there is definitely more to extract.[...]
Source:
Carscoop
https://www.tuning-links.com/news_4711_Hennessey+Boosts+Dodge+Charger+SRT+Hellcat+To+852HP.html