Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

cheapest way to gain most HP

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Old 12-26-2003, 01:14 AM
  #16  
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Exhaust, boost controller.

Downpipe 200 bucks-ish
3" exhaust from some company 1200-2000
3" exhasut from the local muffler shop 400-700 bucks
Very Effective Electronic Boost controller 250
AWESOME Boost controller 700 bucks.
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Old 12-26-2003, 01:23 AM
  #17  
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turbo back exhaust will make the biggest difference for you. We put a TurboXS TBE on a STi not too long ago and it made nice improvement
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Old 12-26-2003, 03:17 AM
  #18  
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I agree with scott a full turbo back is the best way to make power. That and a piggy back or reflash of some sort. (esp after an exhuast or other minor work)
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Old 12-26-2003, 11:02 AM
  #19  
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of course.. there is always the option for...

Two Big Bottles

lol.. always gotta throw in the 2f2f comments :P
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Old 12-26-2003, 11:07 AM
  #20  
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Originally posted by Scott@S-Squared
of course.. there is always the option for...

Two Big Bottles

lol.. always gotta throw in the 2f2f comments :P
Why not four? One for each cylinder.
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Old 12-26-2003, 09:50 PM
  #21  
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thats just being silly. 3 at the most maybe :P
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Old 12-27-2003, 06:09 PM
  #23  
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jehcpa pretty much covered it. id prefer turbo back b/c it almost always gives more power than a dp and catback will
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Old 12-29-2003, 01:38 PM
  #24  
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Driving School
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Old 12-29-2003, 06:35 PM
  #25  
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Originally posted by david2z4
Driving School

agreed

before you get the mods you could take a course or 2 at a driving school...best way to get the most out of your STi....then you can get some serious mods
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Old 01-02-2004, 03:34 PM
  #27  
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dont forget driving school as well.
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