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

Internal and external waste gates at the same time?

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321

by a5m

do i need subaru coolant?

2

23

174K

Unknown plug for 05 STI

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463

Setup.ampedwireless.com | Amped Wireless Setup & Login

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159

by Arezioaurechio70

Grimmspeed with accessport?

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373

by a5m

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

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354

by GREY_2010_WRX

Subaru WRX Hatchback Question.

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500

by Myles

Lost in Dire Need

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387

by SoobieNoobie

How much HP can a 04 STi handle

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31K

by Dannym2827373

Boost at WOT in Fifth gear?

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25

7K

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14K

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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832

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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3K

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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3K

05 sti 450 engine hp

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3K

by titter

Possible Engine Swap

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6K

by titter

3

2K

by titter

2

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24K

by arcticscythe

4

7K

by titter

Custom exhaust build #1

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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

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2K

by clamer

seafoam a Subaru wrx

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17K

Boost/vacuum leak??

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4K