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w55 rpo code?

This is a discussion on w55 rpo code? within the General Help forums, part of the LSx Technical Help Section category; does anyone know what the w55 'exhaust' code means?...

  1. #1
    my ws6 eats rice gokillyourself's Avatar
    Join Date
    Apr 2009

    1999 trans am ws6

    w55 rpo code?

    does anyone know what the w55 'exhaust' code means?

  2. #2
    Veteran 0rion's Avatar
    Join Date
    Aug 2005

    98 Formula
    06 duramax

    W55 - Entertainment System Option E

    rpo codes

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