Hellcat Challenger vs 2020 Shelby GT500 Hellcat just has longtubes and intake and lower pulley on a 93 octane tune. GT500 is Stock *Chase car was a Mercedes C63 AMG W204 1st race was from 60 MPH 2nd race was from 60 MPH again. IF YOU LIKED THE VIDEO PLEASE GIVE IT A THUMBS UP, SHARE, AND SUBSCRIBE FOR MORE 😇