NG900 & OG9-3 Performance, Mods & Tuning
Does anyone have experience with a tune on OG 9-3 with b205r and 4 spd auto trans? MapTun claims around 250 hp and 258 ft lb torque, BSR claims 248 hp and 272 ft lb torque. I had a BSR stg 1 tune on my 07 9-3 aero and loved it, but I’m not set on any specific tuner right now. How well would the...