I'm new to HP tuners but have understanding of mostly all pids being a technician for Ford the past 14 years blah blah...
I have read about all the ghost forums here and have tried adjusting mine according to my findings. cant get mine chopping! I must be missing somthing. anyone want to take a gander feel free thanks everyone.
The roush is custom Os which makes it different than normal, also being a 2018 roush I'm guessing it's speed density and no afm like the 2018 roush mustang?