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horse power

  1. Engine Modifications
    Im kinda a newbie at this and want to buy a turbo back exhaust. I have a 2007 wrx. i kinda want something cheaper but am willing to spend some penny in some time. what are the benifits of some and what one to try and avoid.
  2. Everyday Impreza Talk
    I have just purchased a new 2010 wrx and well i want to do something to it but... the problem is is i still want the warranty. i wanna get a few more horses out of the car but i really want your opinion and your knowledge on things I can do to the car withought asking the dealer or with asking...
  3. Engine Modifications
    i have a 2004 sti i would like to know the first steps to get to 400hp. currently i have a TBE and still has stock up pipe. Does anyone know if the up pipe is catless on a 2004 sti? first i will get a Cobb AP to run stage 2 but would like a better direction from there i just want the next step...
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