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Thread: COS#5 for 2004 silverado

  1. #1
    Lifetime Member minytrker's Avatar
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    Default COS#5 for 2004 silverado

    Is there a COS#5 for 03+? I have a 04 with OS 12587603

  2. #2
    Lifetime Member minytrker's Avatar
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    anyone??

  3. #3
    Lifetime Member GMPX's Avatar
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    04073003

    Listed on Page 6 of the Custom OS tutorial.

    Cheers,
    Ross
    I no longer monitor the forum, please either post your question or create a support ticket.

  4. #4
    Lifetime Member minytrker's Avatar
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    Thats COS #5 for running nitrous?

  5. #5
    Joe (Moderator) joecar's Avatar
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    I thought that was COS3...

  6. #6
    Lifetime Member minytrker's Avatar
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    Quote Originally Posted by joecar
    I thought that was COS3...

    it is

  7. #7
    Joe (Moderator) joecar's Avatar
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    AFAIK... COS5 is only available for these:
    12225074
    12212156

  8. #8
    Lifetime Member minytrker's Avatar
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    Quote Originally Posted by joecar
    AFAIK... COS5 is only available for these:
    12225074
    12212156
    Well that sucks, I have done got spoiled with COS#5 and want to run it in my truck.

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