Bolt-on Tech (EJ225/257 2.5L 04-07 STi 06-07 WRX) | Subaru WRX Forum

Sticky BOV and CAI discussions - read before you ask about one

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14K

Grimmspeed with accessport?

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175

by a5m

Boost fluctuating going from 20 psi to 15 then back to 20 etc.

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116

by GREY_2010_WRX

Subaru WRX Hatchback Question.

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381

by Myles

Lost in Dire Need

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285

by SoobieNoobie

do i need subaru coolant?

2

22

171K

by rajputaman04

How much HP can a 04 STi handle

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29K

by Dannym2827373

Boost at WOT in Fifth gear?

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25

7K

19

11K

by sunilbhaiya72

Buying a newer wrx sti 2016 to 2019

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1K

by JacobCollier

BOV and intercooler

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1K

Different Year Exhaust

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745

by 626_rx

07 turbo replacment

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1K

by basco

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1K

by basco

What next to do to 07 wrx

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2K

Any ideas for my exhaust sound?

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1K

by arcticscythe

is my 2007 wrx compatible with a VF52?

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2K

by Ruso

Loss of power after "overboost"? 07 WRX

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2K

VF39 only tuned at wastegate pressure.. no restrictor pill. What should I do??

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3K

Need help with 06 wrx turbo

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3K

by Ruso

T4 flanged Up Pipe

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2K

05 sti 450 engine hp

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2K

by titter

Possible Engine Swap

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4K

by titter

3

2K

by titter

2

23

22K

by arcticscythe

4

6K

by titter

Custom exhaust build #1

16

3K

by titter

06 sti diffuser install

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2K

by titter

Check engine light p0457

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2K

Looking at this car to buy, thoughts on it?

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2K

by titter

4

2K

by clamer

seafoam a Subaru wrx

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15K

Boost/vacuum leak??

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3K

Low idling problem

8

6K

Best adjustable coilovers??

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24K

2007 Wrx wagon downpipe

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2K

by titter