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Thread: egr code?

  1. #1
    New Member
    Join Date
    Sep 2009
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    5

    Default egr code?

    i have a 2004.5 lly. i have six inch stack but with a stock downpipe and cat. i ordered a 4 inch down pipe and was wondering if it will throw codes? any help? thanks

  2. #2

    Default

    No it wont, well at least mine didnt...
    2004.5 LLY Duramax, Compounds, EFILive, EvolvedMS.com 50" Trac Bars, DDP Injectors, PPE Pump, 4" turbo back exhaust, 6" Chrome Stack,
    ATS Trans w/ Triple Loc.




    Evolved M.S, LLC & SS Diesel Tuning

  3. #3
    New Member
    Join Date
    Sep 2009
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    Default

    ok thanks nemo, i have heard that the llys dont need them but at the same time i have heard that they do so ill just give it a try. thanks

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