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

2004 sti

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Old Nov 6, 2012 | 11:13 PM
  #1  
kdg323's Avatar
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Joined: Oct 2012
Posts: 124
From: NorCal
Car Info: 2006 Subaru Wrx STI
2004 sti

Hi I have an 2004 STI and was wondering if I could get some suggestions on the best ways to go about getting up around 500hp+. I've heard some ideas but was wondering if anyone has done this and done it right?
Old Nov 6, 2012 | 11:16 PM
  #2  
04caliwrx's Avatar
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From: on the way to lake tahoe to shread! turbo beast
Car Info: 2016 WRX, 2014 lifter forester XT, 2005 JDM207 WGN
About $35,000 and a lot of time lol
Old Nov 6, 2012 | 11:35 PM
  #3  
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From: Livermore, CA
Car Info: EQ Tuned * Corn Juiced '05 WRX
Frequently Asked Questions - Performance Guide

try that. it may help give you some info.


also, there really is no "safe" way to do any kind of mods. all types of mods have the potential to be unsafe.

goodluck!
Old Nov 6, 2012 | 11:39 PM
  #4  
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From: Bay Area 925
Car Info: 2018 Tacoma TRD PRO
I'd start with 400whp and see how youd like that. It gives me a headache thinking about that much power on a street car. Just a pain.

400whp
-TBE
-GT30r/35, ET GT52, (ect)
-ID2000
-fuel pump
-CAI
MBC
E85
EL header would help
Should be most of it
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