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Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

Passing Emissions with 1 cat?

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Old Aug 10, 2003 | 08:53 AM
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zojirushi
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Passing Emissions with 1 cat?
Is it possible to pass the sniffer with a complete catless turbo-back and the stock catatlyic converter uppipe?? Just curious, Thanks!
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Old Aug 11, 2003 | 01:54 AM
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awns729
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From: Rockland County...NY
Car Info: want a WRX
Where do you live?
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Old Aug 11, 2003 | 10:56 AM
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zojirushi
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NJ
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Old Aug 11, 2003 | 11:59 AM
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awns729
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From: Rockland County...NY
Car Info: want a WRX
i think there is a good chance you will pass but im not positive
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Old Aug 11, 2003 | 05:41 PM
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BlkRx
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Car Info: 2004 Black Wrx
I know you can pass with the cattless uppipe and a cat on the downpipe.
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Old Aug 11, 2003 | 07:29 PM
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capt'n'caveman
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From: so cali
Car Info: platinum rex wagon
simple answer:

no

not sure how strict u guys are over there, but u'll at least need the dp cat.....but there are people who've passed w/just the midpipe cat
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Old Aug 17, 2003 | 07:34 PM
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recharged95
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Depends, like here in DC, they are actually looking for the stock cat setup before testing.

HTH,--C
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Old Aug 17, 2003 | 07:59 PM
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awns729
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Car Info: want a WRX
you can just swap out the parts when u need to...its fairly easy
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