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  1. #1
    Member The Silver Goat's Avatar
    Join Date
    Nov 2006
    Location
    Dearborn Michigan
    Posts
    253

    Qucik Silver Metalic
    2004 GTO - M6

    Exhaust system diameter

    I've got a borla dual exhaust.
    Looking to change things up a bit...

    Is the daimeter 2.25 or 2.5 inches?
    Last edited by The Silver Goat; 07-05-2009 at 11:48 AM.

  2. #2
    11 years of bangin gears cammed goat's Avatar
    Join Date
    Jan 2009
    Location
    North Jersey
    Posts
    11,496

    Phantom Black Metallic
    2004 GTO M6

    04s had 2.25 after the mufflers stock.

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