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

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Old Jul 22, 2007 | 04:18 PM
  #1  
cordeezle06sti's Avatar
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From: BAY-VALLEY
Car Info: 2006 STI-05 TAILS
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JUST THROWIN SOME QUESTIONS AROUND...

well i have an 06 sti, ive added some modds so far just kinda wondering wut i need, and wut should come first... in referance, im just lookin to get more power without going to overboard... i do drive my car daily so im gonna keep the stock turbo for now, but i do want to crank it up! im currently in iraq and ordered some parts that are sitting next to the car...

i currently have hks catback carbon exhaust, injen short ram, injen 16 row front mount(not yet installed), cobb access port(still in the box

sense i wanna crank up the boost, which kind of control should i get for that, and if i raise the boost should i get larger injectors??

i have tien coilover, front tien strut, and im plannin to order the rear one...

oh and i have takata harness's from my last car, just waitin on the harness bar so i can put em in when i get back...

any advice... thank you in advance!!! oh and ive got about $1000+ on the budget for parts...

thanx, cOry:RockOn - not mine:
Old Jul 23, 2007 | 06:19 PM
  #2  
whtSTI04's Avatar
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Car Info: 04 STI
if you arent planing on going overboard with power why'd u get a FMIC? ne ways...... i would slap on the catback get a downpipe, and use teh AP to get a pro tune by tuner. on 100 octane you should be able to get some good numbers.
Old Jul 23, 2007 | 11:36 PM
  #3  
WRX409's Avatar
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From: Allentown,PA
Car Info: 04 WRX
I would also start with a good quality downpipe and catback
with AP.Even on 93 octane I bet he would see excellent numbers.
Old Jul 24, 2007 | 10:33 AM
  #4  
cordeezle06sti's Avatar
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Car Info: 2006 STI-05 TAILS
koo

well i already have the hks cat back... but yea ill get the downpipe...

i got the front mount because i want more power, just not rediculous amounts... i was maybe thinkin about gettin a slightly larger turbo... to where i still get a quik response, cause i've noticed it take big turbo sti's forever to hit max boost, but once they do.. maaaan oh maaaan...

wuts a good turbo??

cOry
Old Aug 21, 2007 | 12:43 PM
  #5  
MindzeyeWRX02's Avatar
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From: Stockton
Car Info: 2002-WRB-WRX-EJ257-stg2 / 2007-DGM-LGT-Ltd
Stage 2, bigger turbo , injectors, fuel pump and boost solenoid with a protune... you'll be good. FMIC?? - From what it sounds like, your goals dont require a FMIC.
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