08 WRX with Blouch 440xt tuned @P&L by Jr.
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04-02-2013, 06:32 PM
2008 Black Sheep WRX
I believe taget boost was 20 psi. Just by the dyno graph and how the car drives, I would say its between 4000 and 4500, the boost guage goes right to 20 with out any delays backs down to like 17 or 18 then holds till red line.
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