David Cach’s TorRed 2015 Dodge Challenger SRT Hellcat beat out a field of nominees to win Hellcat of the Month on the SRT Hellcat Facebook page, no small feat among a community full of 707-horsepower Challengers. Behind that community vote sits genuine engineering history, the first factory-supercharged HEMI Dodge ever built. Read on to find out what actually made the Hellcat program possible.