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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.

exhaust (recommendation to pass smog)

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Old 03-30-2004, 06:53 AM
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steveb
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Cool exhaust
i have and 02 wrx. what would be the best. quietest and would pass smog, turbo back exhaust. thanks steve
 
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Old 03-30-2004, 11:42 AM
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A turbo back exhaust will not pass a smog inspection no matter what kind you get. As I've read and heard that you can't pass only with 1 cat. You can pass with 2 but not on a cold startup inspection. If you're worried about smog stuff then don't go with a turboback setup. If you have the time, just go ahead and get the turbo back and just swap in the factory downpipe when you need to go in for inspection.
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Old 03-30-2004, 04:57 PM
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Moved from General forum.

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Old 03-30-2004, 05:02 PM
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Put in whatever you want. When smog time comes, slap the stocker back on
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