Roush programmed was done before I did the mods so I guess they'd programmed for stock everything, so I could get a custom tune then right and who you recommend?
Thanks for the reply man preciate it.
Hey guys first time on here and need some advise well I had my 05 GT for about 6 years now and decided to add some power to it so I got the Roush Performance 420112 Supercharger Kit Black M90 Mustang (2005-2006) and was wondering if I should get a custom tune and also if I should change the...