SRT Hellcat Forum banner

worse gass mileage

  1. Flash Update = less pwr & worse mpg

    Dodge Charger SRT Hellcat
    Hi everyone. I've had my 16 hc for a few months now, 11,000kms. I brought it in because the tranny seemed jerky when coming to a stop. They said I need a flash update so they updated. There was a very noticeable power loss and gass mileage drop ever since. I went back and the only thing they...
Top