2015+ STI Discussion
SI drive flashing S, traction control, cruise control flashing. Installed **
Cobb- flex fuel sensor/ fuel pressure/ sf ram intake
Turbo smart- FPR
AEM- x-series UEGO gauge p/n 30-0300
Tomei- equal length header/up pipe TB6010-SB02B
Grimmspeed- catted down pipe/ Ebcs
Crawford - AOS v3
Injector...