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Thread: Stock Y-Pipe?

  1. 09-10-2008 02:01 PM #1
    MYSHTBX's Avatar
    MYSHTBX
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    Stock Y-Pipe?

    Anybody know the dia. of the stock y-pipe on a 05 5.3 truck? As in cat delete pipe size? lol
    2006 Trailblazer SS RWD
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  2. 09-10-2008 02:26 PM #2
    skeet
    skeet is offline Senior Member
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  3. 09-10-2008 02:42 PM #3
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    thats what i thought but i know how gm is sometimes on weird ass pipe sizes..lol
    2006 Trailblazer SS RWD
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