Adam Another choice on the injectors would be RC's at 370cc. I had these on my car with the 57 trim Garrett. They worked fine at altitude but ran out of fuel at sea level beyond 22 lbs at the top end. On the MAF, I would forget the RS2 and remove the screens from the stock MAF. HTH. Hap, talkin dakine fine points from Evahboost, Maguire