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

0

14K

Internal and external waste gates at the same time?

1

749

by a5m

do i need subaru coolant?

2

23

178K

Unknown plug for 05 STI

1

737

Setup.ampedwireless.com | Amped Wireless Setup & Login

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372

by Arezioaurechio70

Grimmspeed with accessport?

1

668

by a5m

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

1

709

by GREY_2010_WRX

Subaru WRX Hatchback Question.

0

745

by Myles

Lost in Dire Need

1

571

by SoobieNoobie

How much HP can a 04 STi handle

16

34K

by Dannym2827373

Boost at WOT in Fifth gear?

2

25

8K

Turbo Upgrade

19

19K

by sunilbhaiya72

Buying a newer wrx sti 2016 to 2019

1

1K

by JacobCollier

BOV and intercooler

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1K

Different Year Exhaust

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1K

by 626_rx

07 turbo replacment

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1K

by basco

04 Sti rebuild

1

1K

by basco

What next to do to 07 wrx

4

2K

Any ideas for my exhaust sound?

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1K

by arcticscythe

is my 2007 wrx compatible with a VF52?

1

4K

by Ruso

Loss of power after "overboost"? 07 WRX

1

3K

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

4

4K

Need help with 06 wrx turbo

1

3K

by Ruso

T4 flanged Up Pipe

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3K

05 sti 450 engine hp

2

3K

by titter

Possible Engine Swap

2

7K

by titter

cobb bpv

3

3K

by titter

Quiet Exhaust

2

23

27K

by arcticscythe

Exhaust Rattle

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9K

by titter

Custom exhaust build #1

16

4K

by titter

06 sti diffuser install

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2K

by titter

Check engine light p0457

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3K

Looking at this car to buy, thoughts on it?

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2K

by titter

Weird Problems

4

2K

by clamer

seafoam a Subaru wrx

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21K

Boost/vacuum leak??

1

4K