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  1. Built Motor Discussion
    What’s up guys. I currently am in the process of building a new motor but am having some troubles on deciding the power band I should stay within. I’m pretty sure I’ll hold ~500-550hp comfortably as it won’t be my daily(minus time to break in the motor) but a track car. I’m still buying parts...
    building motor ej257 horsepower
  2. GD-General
    I’m new to the forum but I just purchased an 05 STi last month. I can see it has an intake and exhaust on it but other than that I can’t tell if anything else has been modded but I’m almost certain there has been. I know they aren't accurate but I have an OBDII scanner tool and an app that can...
    boost horsepower question sti
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