Hello I have had 12 different mustangs through the years and I finally have one I can make the way I always wanted to. I bought a 2020 base GT in 2021 and used it as a toy for 3 years due to outside forces (divorce) it is my dally driver now. Anyway I bought it in 2021 and it stumbled off idle and would not shift properly at all. I finally was able to install a ford M-9603-M8B intake kit and the canned tune it came with. I now have a great running car I also threw and X pipe at it and was...

N/A or Supercharger