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Sticky Post 2.5L STi Engine threads here!
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12K
 by smorris
DAM .500
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71
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STI 15+ HKS BOV with stage 1 Cobb sf intake
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144
 by WRX-maniac
Rev9 dp
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180
 by RedRex83
Recommendation for motor repair in Denver
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191
 by Pico de Gallo
Exhaust sound
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448
 by WRX-maniac
Grimmspeed
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163
 by XJman
Pro tune
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177
 by XJman
NEED HELP!!!
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276
 by BLK11STI48
2006 STI Boost Issue
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20
732
 by 18jsmeal
Cobb AccessPort, launch control
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505
 by Dramallama STI
Check Engine light
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527
 by Dramallama STI
Can anybody help me identify block
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247
 by stibeast
" piston slap" noise
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1K
 by why2kmax
91 vs 93 Octane 2010 STI
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20
29K
 by aseme274
Help!!! Wrong gas in my car...
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650
 by mattiekane
2012 Subaru sti loosing oil out of exhaust
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2K
 by McBill
stock STi running 19 PSI normal?
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825
 by KeepDiscovering
Knock on start up.
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849
 by XJman
Cobb Access Port 3 Question For Today's Install
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827
 by McBill
06 sti low vacuum, but will get up to boost.
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1K
 by davictone
What do y'all think about...
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1K
 by zax
Air fuel ratio low after rad replacement
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896
 by nsibanez
Stage 1Sti
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721
 by djkiddchaos
2004 STi short block casting number question
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1K
 by Mikie13
STI Stock whp?
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66K
 by MainFrame
SPT Intake for 2008+?
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1K
 by Mikie13
PERRIN O2 simulator?
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23
10K
 by mycologist
can anyone give me hose diagrams.
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973
 by Subarudiver
Occasional slight "bumps" in idle
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5K
 by mru77
04 Sti gt3076r HELP
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2K
 by wvh187
high idle problem
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647
 by jimbob sti
Mechanics in DALLAS/FORT WORTH Texas.
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1K
 by zuhey
Downpipe ?
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834
 by [email protected]
STI turbocharger needed
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903
 by yamaha_rider619
Battery Boost
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606
 by mudferret
STi Engine Performance Welcome to our community.
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