Thanks for the advice.
So the tuners are not something I can buy off Ebay?
Simple - Call American Muscle and get one of their tuners.
You'll get 3 tunes and tune for life. Check out americanmuscle.com and start searching. That's where a lot of us started regardless of what we are running now.
2014 Mustang V6 3.7L 6-spd manual, with MGW shifter, Airaid CAI, BBK shorty headers, Corsa Sport axle back, strut tower brace, JLT oil separator, GT500 differential cover, BG Synchro Shift II gear oil, Redline differential oil.