Which Cobb map to use for 2003 WRX
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This is a discussion on Which Cobb map to use for 2003 WRX within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; I bought a 2003 Impreza wrx with aem cold air intake and catless turbo back exhaust with no tune. I ...

  1. #1
    Registered User twells8553's Avatar
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    Which Cobb map to use for 2003 WRX

    I bought a 2003 Impreza wrx with aem cold air intake and catless turbo back exhaust with no tune. I just got a Cobb access port anyone know which map would be best for this set up? Right now with out the tune im getting terrible gas milage..running VERY rich.

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    Sammich Makin' Pwincess wrxtreme06's Avatar
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    cobb does not make a map for 2003 wrx's with AEM intakes. it would either need to be stock or cobb. see the link above to view the maps available & map notes which will tell you exactly whats needed to run them correctly

    desiree
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  4. #3
    Luke Skywalker Mikie13's Avatar
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    2003s are more forgiving when it comes to tuning, which is a good thing at least.

    If you don't have access to put the stock airbox back on, then I'd run the Cobb Stg 2 +SF Intake map.
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