Engine Modifications | Subaru WRX Forum

High Altitude Tuning

Engine Performance Discussion Specific to Higher Altitudes

547

265K

2 mo ago

547

265K

2 mo ago

Sticky Exhaust Video/Sound Clips

28 29 30

590

452K

Sticky $5 and 5 minutes to a better running car :)

5 6 7

133

104K

by FireB

Sticky "The BIG BOV thread" (Where all bov question threads get merged)

12K

1M

Sticky WARNING FOR BUYING CATTED DOWNPIPES!!!

4 5 6

103

126K

by 78wrx78

Sticky First Modifications - what to do and not to do

11 12 13

243

372K

Sticky Exhaust FAQ

7 8 9

161

113K

by lcurtiss1996

Sticky Fuel System 101 FAQ

7

33K

Sticky Water/Methanol Injection FAQ

2

29

65K

by lookylookitzadam

Sticky Blowoff Valve (BOV) FAQ

2

44K

by zax

Sticky Intake FAQ

0

18K

by EJ257

Sticky SPT has released the new CBE's for 08 WRX 5dr & 4dr.

3 4 5

85

39K

by patrickfromnm

Sticky I want 400WHP!!!1!juan!

0

37K

by TheJ

Sticky Subaru Catch All TSB Regarding Modding

8

20K

by [email protected]

Sticky Engine Performance FAQ [[[READ ME]]]

1

116K

by ebr0t

Blackheart Axleback exhaust

3

192

new ECM or flash??

13

151

by silver_scooby

I need help, engine blew up

5

322

by krx09

HELP, un-modifying issues

3

173

by Somekh

Running VERY RICH after last mods

7

1K

by XJman

15

407

0

138

2002 Subaru wrx tuning and build questions.

10

317

by XJman

08 ej255 in a 06 wrx?

0

135

COMPLETELY blown motor

2

25

6K

by aaronmcgary46

2022 WRX - Anyone got the OEM STI upgrade axleback?

3

294

Rate from 1-10 on how big of an Idiot I am (engine rebuild)

10

362

Next significant upgrade

1

187

by a5m

Reducing turbo lag

9

320

by XJman

2022 - Mishimoto's Direct Fit Catch Can R&D Thread

5

714

by Mishimoto Automotive

Cobb Nexgen stage 2

11

1K

Secondary air pump delete - P0457?

1

547

by sterlingalawrence

Mishimoto's 2022+ VB WRX Direct Fit Oil Cooler R&D Thread

1

392

by silver_scooby

02 wrx CBE invidia n1 or Tomei

8

285

by DannyS

Thinking of buying a 04 wrx non runner

15

412

by silver_scooby

GD Tomei expreme ti exhaust parts needed for install

0

188

by DannyS

Name That Engine--Help

11

533

2022+ VB Owners! Mishimoto Wants your input on our Intake Design!

5

1K

02 wrx need help ☹

4

458

by CUB MACHINING

What is this in the engine bay?

5

454

by silver_scooby

SUBARU WRX STI V25B CYLINDER HEADS ASSEMBLY DUAL AVCS LH/RH

–

–

N/A

Oil levels Wrx vs Sti oil pan

2

238

by oldmps

Steering wheel Swap LHD to RHD

0

217

Wideband O2 Sensor Location

17

402

by JeepJeepBeepBeep

HELP! MAPerformance intake installed with Cobb stage 1 BigSF tune flashed by accident.

12

571

by XJman

Sti motor question

9

337

by zax

Mishimoto's 2022+ VB Performance Top Mount Intercooler R&D Thread

0

469

by Mishimoto Automotive

2

269

by zax

How to revert back to stock settings using cobb accessport?

11

57K

AEM vs. Cobb intake system questions

3 4 5

99

46K

by mikepwagnerrrr14