2.5 Liter/Litre Factory Motor | IW STi Forum

GR-Exhausts

GD-Exhausts

Discuss anything related to the exhaust system, like muffler, catback, and turboback exhaust systems.

Sticky AVCS Gear Cleaning Guide! (Read this if you spun a bearing!)

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27K

by Scargo

Sticky Read this before you create a new thread about BOVs (Blow-off valves)

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159

126K

Sticky The Official STi engine Venting, A/O Separators, and Catch Cans Thread!!

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2K

690K

Sticky Your answer to "I want 400whp" (or more?!)

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195K

by tylerandreas

Sticky Motor Oil - All Chapters, Inclusive -Hat Tip to Ferrarichat.com

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40

49K

Sticky Compression-Leakdown basic information

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Sticky Everything you need to know about E85

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191K

Sticky Extremely good info for first time turbo owners (Determining Turbo Serviceability)

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Sticky Comprehensive Subaru CEL Code List (XLS File Attached)

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by 2.5 turbo hyped

Sticky UPDATED 03/03/10: Planning a turbo build? This is roughly what it will cost you.

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82K

2005 WRX STI With Low Compression across all cylinders

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394

2

26

8K

AC compressor clutch making noise

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865

Sti really jerky at 2500-3000 rpm

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258

82K

2007sti spark plug question

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406

Underboost and Possible Vacuum Leaks and Strange part?

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227

by Sjp831

2012 STI with 63k throws a rod bearing

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1K

2008 GRB STi Radio Face Shut Off, Speakers Pulsing, Airbag Light, AND OTHER THINGS HAPPENED - Need HELP TROUBLESHOOTING

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by RAE129

More problems! LOL: metal vibration sound @certain RPM!!!

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14K

2010 STI Lifter knock (Solved)

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627

IHI VF48 modified by IHI.

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7K

2017 sti oil pressure issue

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479

Easy 10% power gain: wastegate as exhaust bypass

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614

2019 STI sprung an oil leak

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376

by JSR84

Running rich and damn at 0.562

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296

Replaced my Oil Pickup Tube today....

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3K

by killerbmotorsport

RPM fliteering and engine shaking at 5000-6000 rpm! :(

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3K

by Scargo

what does it mean if your engine block has an R dot stamp on it?

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4K

Camshaft Position Sensor Code + Rapidly Burning (& dirty) Oil = Ringland Failure?

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470

AVCS Banjo bolt filters

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34

27K

Tomei ELH install

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584

by Scargo

Garrett Gen 2 turbos

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111

68K

high idle while in gear, coasting, and clutch fully depressed

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4K

Help! 20G fitment issue

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256

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2K

High altitude power loss + general mods for FXT 2004

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238

Anyone tracking with UEL headers without issue?

OëT
2 mo ago
Poll

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385

by mheyman

Oil leak causing smoke

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760

by Jedi03

2015+ sti motor build questions

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833

Compression test in high Altitude

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561

by BluSTi

2018 STI looking to safely run catless downpipe and intake

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534

by [email protected]

Purge Solenoid Delete ?

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17K

Overheating issue after mostly unused for five years

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308

by Ye Olde Blue

Drain fuel from gas tank '12 sti

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368

How much did it cost to fix your blown up engine?

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10K