So I purchased my car a little over a year ago and installed a cat back Borla Atak along with an X pipe. I am now looking to add catless long tube headers to the car within the next week or so, and was just curious about the tuning requirements. I've been emailing back and forth with two different tuners from some pretty reputable companies about whether or not a tune is necessary. I am not looking to squeeze every last drop of power out of the car, I'm mostly looking for better sound and...

2022 Mustang GT w/10R80 Newbie Tuning Questions