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Stock factory boost Is 7 psi. I've owned 7 sr20's. I've swapped them all In my self and watched them boost 6-7 psi. You should look for a bent/tweaked Actuator arm. That's a common trick people use to up the boost a few pounds or check for added washers on the acuator mounting bolts. I added spacers with 3 inch elbow,down pipe and straight pipe and I held a steady 12 psi. without spacers and the same exhaust set-up It held a steady 7 psi.
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