Quote:
Originally Posted by davidy
ok thanks guys but ive been told not to go past 12 psi to play it safe from a subi mechanic but people are saying factory psi is between 13.5 and 14.5 psi or are they saying thats a safe psi to run i thought factory psi was 8 thats what psi it came out with stock
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A subi mechanic saying 12 psi? They aren't a Subaru mechanic then!
Do not change your boost until you get a tune done. They will set the correct boost for your car.
Stock boost is 14psi peak. Leave it there!