| My Z1 test pipes arrived yesterday and i installed them today. i havnt taken the car to get dyno'd but i would love to get an estimate of my BHP and WHP, can somebody help me? Mods, JWT Chip JWT Single POP charger Greddy exhaust Greddy Profec B boost controller Z1 Testpipes Other mods... ACT HDSS clutch Koyo Radiator Greddy Turbo Timer Drilled/Slotted Rotors Many body and interior mods... The last thing i am wanting to do is an intercooler upgrade. Let me know what i can expect to see at the dyno
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