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

6 7 8

159

124K

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

90 91 92

2K

680K

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

6 7 8

152

191K

by tylerandreas

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

2

20

25K

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

2 3

40

48K

Sticky Compression-Leakdown basic information

5

32K

Sticky Everything you need to know about E85

4 5 6

112

188K

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

18

28K

Sticky Comprehensive Subaru CEL Code List (XLS File Attached)

2

26

63K

by 2.5 turbo hyped

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

4 5 6

117

81K

Loud rattle coming from engine

7

567

Stock or Aftermarket Pistons (borescope photos)

7

583

10 11 12

228

120K

by squaresandcubes

Cylinder #4 Cooling Mod - Getting ready to install

19

1K

Fuel Surge Tank Wiring

0

100

by squaresandcubes

O ring dimensions

0

128

ELH Sizes and Specs.

2 3

41

3K

by Scargo

Change Timing belt driver side not line up

1

154

by Zheng

Sti EJ25 motor installation on subaru 2005

0

232

by Ced

Accessport Un-Marry without the Car

8

21K

Burning Oil Smell I cant find... HELP!!

18

602

Seeking advise on brake caliper press, thanks in advance.

3

224

HELP: Problems after iag aos install

0

200

Rebuild after ringland failure, now getting p0345, p0346

7

1K

by UrdnotWrexSTi

Activate or relearn added parts to a Subaru?

8

585

Just another Failure=Oil Pick Up Tube

17

4K

by killerbmotorsport

Engine Noise @ Idle --> 2k RPM, mostly goes away with small load (A/C on)

1

251

Random question about how much pressure a exhaust manifold sees

10

555

by Scargo

My STI wont go in reverse HELP!!!

2

25

16K

by Jr888a

Where can I find proper fuel pressure reading??

8

367

Can somebody Critique my timing belt job

4

573

2015+ sti motor build questions

0

372

by Black$cholar_Speedy

Pretty sure my timing belt tensioner is shot at 60k miles

1

292

Vaccum hose kit

2

211

2007 Subaru impreza wrx 2.5 turbo with a P2096 code please help

6

351

IHI VF48 modified by IHI.

2

30

3K

Check Engine, Traction, Cruise control, and stuck in sport mode.

1

322

2004 WRX STI engine cooling advice needed

2

366

2020 Outback Touring or Onyx, Thoughts?

1

277

TGV delete question

2

25

23K

07STi - hunting idle & stumbling

2

36

14K

Remark Exhaust — Resonated or Non-Resonated?

3

348

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

10

3K

by SamsMK

2005 STI RH Intake Cam Sprocket Confusion

0

224

2019 STI - Oil smell through interior vents

2

20

1K