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2.5 Liter/Litre Factory Motor
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Discuss anything related to the exhaust system, like muffler, catback, and turboback exhaust systems.
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Your answer to "I want 400whp" (or more?!)
fourseasonsandles
Dec 27, 2011
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8
152
185K
8 months ago
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The Official STi engine Venting, A/O Separators, and Catch Cans Thread!!
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Dec 11, 2008
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AVCS Gear Cleaning Guide! (Read this if you spun a bearing!)
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Apr 5, 2015
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Motor Oil - All Chapters, Inclusive -Hat Tip to Ferrarichat.com
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Feb 19, 2007
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Compression-Leakdown basic information
got2boostit2
Jun 30, 2013
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Feb 28, 2017
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Everything you need to know about E85
BAD STI
Sep 24, 2010
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Feb 22, 2017
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Read this before you create a new thread about BOVs (Blow-off valves)
nandanrp
Mar 21, 2006
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Mar 9, 2015
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Extremely good info for first time turbo owners (Determining Turbo Serviceability)
Ursalog
Aug 9, 2012
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27K
Oct 3, 2013
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Jason P.
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Comprehensive Subaru CEL Code List (XLS File Attached)
Muffnbluff
Feb 15, 2008
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61K
Jul 4, 2012
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2.5 turbo hyped
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UPDATED 03/03/10: Planning a turbo build? This is roughly what it will cost you.
TheLimitedProject
Nov 25, 2007
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78K
Jan 5, 2012
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R3VOLUTION
Cylinder 4 cooling kit
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redrexmeister
10 months ago
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9K
4 days ago
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Leemanfor
Full potential of a dom 1.5xtr
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imcorny
Apr 23, 2015
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11 days ago
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IronmanSTI17
Opinions on Turbo Life Remaining - Oil in Intake
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speedslayerr
16 days ago
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12 days ago
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killerbmotorsport
Relp! 04 STi Runs Great on Highway - Suddenly Won’t Idle
ZenBoy
24 days ago
5
371
19 days ago
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Jay11STI
Forged connecting rods will not fit stock pistons?
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faciest
23 days ago
10
589
20 days ago
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mheyman
Strange issue with STI Forester - bogging/sputtering/misfire
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bizman
21 days ago
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223
21 days ago
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bizman
Hat Trick! 3 codes at once.
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Soltis187
2 months ago
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979
1 month ago
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Soltis187
Product Feeler: A Different kind of turbo kit... SPOOLINATOR
killerbmotorsport
Apr 21, 2014
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1 month ago
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Contemplating a new project - Building an Engine
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Soltis187
4 months ago
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2 months ago
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Soltis187
JDM swap Still 2010
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JesseSab
5 months ago
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Looking for a working USDM EJ257 engine for sale near Toronto for my 2009 STI
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Dec
3 months ago
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Oil Temp sender options
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raisingAnarchy
2 months ago
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2 months ago
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aos systems - to splooge or not to splooge
Neanderthal Racing
Nov 14, 2014
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2 months ago
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Need Eyes on Logs(Shop Said boost leak)
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mjbusmc1991
2 months ago
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2 months ago
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yamahaSHO
hp rating of turboxs fmic
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ryanpietro
Aug 21, 2005
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TGV Shaft Seal
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mjbusmc1991
2 months ago
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2013 GR STI Loss of Power
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SpicyMango
2 months ago
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2 months ago
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What's that sound?!
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elbowdonkey
3 months ago
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3 months ago
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Questions for PST Carbon Fiber Driveshaft owners.
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Oct 23, 2016
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3 months ago
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Electrical issue after injector re-pin
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3 months ago
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586
3 months ago
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Jay11STI
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2.5 Liter/Litre Factory Motor
Discuss the Subaru 2.5L factory motor. Please post exhaust related discussion in the exhaust forum.
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