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Thread: 6.0 y pipe

  1. #1
    Join Date
    Mar 2009
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    146

    6.0 y pipe

    Hello, does anyone know of any aftermarket y pipes that would fit on my 03 6.0 manifolds or shorty headers. I would prefer no cats, and I need them to bolt directly to the manifolds, and both my manifolds have the flat flange. Thanks for looking.

  2. #2
    Join Date
    Oct 2009
    Location
    Seattle, WA
    Posts
    255
    in which truck? if its an 03 NBS you can pick up an off road y pipe with no cats from Pacesetter.
    if its an OBS with a 6.0 swap then I am sure one of the other guys will chime in.
    Last edited by blackout; 12-23-2009 at 07:27 PM.
    2003 GMC K1500 ECSB running an Iron 383 Stroker ......

  3. #3
    Join Date
    Mar 2009
    Posts
    146
    It's a 95 obs with the 03 6.0, I have never even seen the original y pipe for a 6.0, I am hoping that I can adapt one to my obs, minus the cats.

  4. #4
    Join Date
    Sep 2007
    Location
    Broken Bow, OK
    Posts
    1,434
    Well the 6.0 doesn't really have a Y from the factory. Mine has duals all the way back to the muffler.

  5. #5
    ff_jeff Guest
    your probably going to get some one to make one for you. Or make it your self.

  6. #6
    Join Date
    Mar 2009
    Posts
    146
    Thanks guy's, yeah I guess I'll build my own, not to mention since my truck lay's frame I don't have much room at all.

  7. #7
    Join Date
    Jun 2009
    Location
    Cocoa, FL
    Posts
    135
    I pulled the 5.3/4L60E from a 2002 silverado, along with the y-pipe. I made my motor mounts, and with the transmission in the factory trans mount hole (94 GMC ext cab 1500), I was able to use both the stock manifolds, and y-pipe from the 2002 silverado both un-modified.

  8. #8
    Join Date
    Jun 2009
    Location
    Cocoa, FL
    Posts
    135
    it also fits up above the stock OBS trans crossmember as well But, since I made my motor mounts, I have 1/2" on each side of the manifold between it and the frame, so I cannot tell you that your conversion mounts will allow you to run it with an unmodified frame.

  9. #9
    Join Date
    Mar 2009
    Posts
    146
    Thanks for the info, do you have any pics of underneath your truck?

  10. #10
    Join Date
    Jun 2009
    Location
    Cocoa, FL
    Posts
    135
    I can get them. I know I had taken some before, but I dont think any where ever focused completely on the y-pipe. I have since then, cut the cats out of the y-pipe, but I can post up some pics once I weld some pipes in.

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