Engine Modifications | Subaru WRX Forum

High Altitude Tuning

Engine Performance Discussion Specific to Higher Altitudes

555

277K

2 mo ago

555

277K

2 mo ago

Sticky Fuel System 101 FAQ

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by XJman

Sticky Exhaust Video/Sound Clips

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

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

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Sticky WARNING FOR BUYING CATTED DOWNPIPES!!!

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Sticky First Modifications - what to do and not to do

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Sticky Exhaust FAQ

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Sticky Water/Methanol Injection FAQ

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Sticky Blowoff Valve (BOV) FAQ

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Sticky Intake FAQ

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

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by patrickfromnm

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

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by TheJ

Sticky Subaru Catch All TSB Regarding Modding

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by [email protected]

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

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by ebr0t

2022 WRX parts for sale

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by csmithoakdale

Wrx 2017 passenger side cylinder head

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108

by Attila the hun

need advice on replacing entire exhaust system on 2004 wrx turbo

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135

Check engine light on after installation of ETS INTAKE

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191

2011 premium 2.5 motor radiator replacement

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167

by zax

Do I need a tune if I change my intake?

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215

Do K&N or Perrin filters add a sound upgrade?

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251

19 Wrx Turbo Inlet

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by robzz

2022 wrx injectors

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177

by XJman

Too much boost?

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by FreaknPurple

04 wrx turbo

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2023 WRX Reliable DD build Questions

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2010 Impreza 2.5GT upgraded turbo boost gone!

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198

by XJman

2016 WRX, COBB AP OTS Stage1+BIG SF intake

5

163

by zax

Worried about new ETS cold air intake

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628

by zax

Cooling System Issues

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545

Interested in catless downpipe

8

329

by lorenzosuazo638

2022 WRX Perrin Chargepipe

1

194

by PK86

Fmic questions

2

218

Wrx seafoam???

1

217

by XJman

High boost reading

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238

Need help with knocks & DAM drop with COBB Big SF intake. DAM issues even after putting stock intake back in.

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33

9K

by 1KRX1

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can
21 d ago

5

275

by zax

2022 WRX Radium Engineering Oil Catch Can

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AWE Presents the Exhaust Suite for VB WRX. Available Now.

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552

Suggested Mod Path?

2

20

515

by XJman

2022+ WRX Air Oil Separator - Killer B Motorsport

2

28

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by WRCDNA

Question about swapping in import EJ255

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204

by Reza27

Cylinder head compatibility

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148

What mods do I need for 360 whp?

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40

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by Trackrider54

Help please!!

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350

2016 wrx to 2020 sti motor

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246

by zax

Exhaust components identification

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260

Wondering about going catless

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21

736

by FreaknPurple

Oil cooler

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247

by zax