Bolt-on Tech (EJ225/257 2.5L 04-07 STi 06-07 WRX)
Recently i got my 07 wrx tuned by yumi's in santa clarita, I am pushing 20 psi and do not have any problems when going through gears 1-3. Some times have the problem in gear 4 and all the time in gear 5. I do have an exhaust leak because the gasket connecting the downpipe to the muffler is going...