GD-General
I have a 2004 Subaru sti. Built motor with iag stage 2.5 block +1 valves stock cams, 20g turbo, Cobb 1050cc, 93 tuned, Fmic, tial bov, Tvg delete, EWG, aem x series afr gauge. I have a problem that my tuner has been trying to help me figure out, was trying to see if anyone else has ever had this...