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Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

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Old Jan 19, 2007 | 01:31 PM
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sleeper05
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up pipe
I have a 2006 wrx and i wanted to know if i should replace the uppipe with a cobb uppipe?
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Old Jan 19, 2007 | 01:36 PM
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VRT Gump
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From: Yokosuka, Japan
Car Info: 2008 EVO X/1991 Nissan Skyline GT-R32
the 06 is catless so it would only be recommended to change it out if you are going with a bigger turbo. Other than that, save the cash
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Old Jan 27, 2007 | 11:17 AM
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Bagin,DVS
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Joined: Jan 2003
Posts: 555
From: Bethlum, PA
Car Info: silver 2.5 tr 2006MT wrx
i have an 06 wrx, so there is only two cats on my car then?
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Old Feb 10, 2007 | 11:59 PM
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WRX409
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Joined: Jul 2006
Posts: 1,069
From: Allentown,PA
Car Info: 04 WRX
Originally Posted by Bagin,DVS
i have an 06 wrx, so there is only two cats on my car then?
Yep,you already a catless uppipe though.
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Old Feb 12, 2007 | 02:04 PM
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1sicwrx
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From: Novato,CA
Car Info: Jaguar XJR, VW Corrado, 911 Carrera
2.5L turbo=no cat on uppipe, 04-present STi's, 06-present WRX's
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Old Feb 12, 2007 | 05:40 PM
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BLUEJ20
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From: WatsonFail
Car Info: 07 Car
yeah save ur money and buy a dp and a tune
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