2018 Dodge Challenger SRT Demon is even more wicked than imagined.
 engine calibration includes an HO fuel button installed in the center stack of the 2018 Dodge Challenger SRT Demon.)
April 12, 2017, 9:30 a.m. The high-octane (HO) engine calibration includes an HO fuel button installed in the center stack of the 2018 Dodge Challenger SRT Demon. Auto123.TV 2017 Photographer: FCA | © auto123.com