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The car has a y-pipe, exhaust with high flow cat, RB dual tip, down pipe, commander stand alone ecu, 99 spec turbo's, a careful rebuild on the engine, K&N air filter and Mazdaspeed inter-cooler. I expected about 300 HP to the rear wheels with this setup at 10 PSI and got 294, 12 PSI got me 314, about right. Intake is stock
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