Quote Originally Posted by FlipKing View Post
No offense, I am pretty open to car types, but your motor if mostly stock WOULD blow at 40 psi. If you said 10 psi to 15 psi or so would be a more accurate comparison.
I run 21psi on race map, and 18 psi daily. Stock wrx hits 14.5psi. I can turn up the boost more on the race map, but 21psi is enough when I wana feel the kick.