new exhaust system
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This is a discussion on new exhaust system within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; hi guys, Just bought a new exhaust system for my wrx sti 2004. its full open. Can i instal it ...

  1. #1
    Job is offline
    Registered User
    Join Date
    Oct 2013

    new exhaust system

    hi guys,

    Just bought a new exhaust system for my wrx sti 2004. its full open. Can i instal it on my car without changing anything else?
    like ecu or something?
    Sorry for my bad english im from the netherlands


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  3. #2
    Sammich Makin' Pwincess wrxtreme06's Avatar
    Join Date
    May 2007
    orlando flawduh
    I Support ClubWRX
    i'm not too familiar with the overseas versions, but here in the US anything MY2004+ requires a remapping of the ECU

    sorry- wish i could be of more help!

    your friendly, neighborhood subaru girl

    abbigale : 06 impreza wrx tr: cobb stage II

  4. #3
    Registered User wreckingball man's Avatar
    Join Date
    Jul 2012
    Rocky Top
    Depends on what section you bought. Catback and up pipe dont need a tune. Downpipe and headers do need a tune. not sure how that differs on edm cars though.

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