Picket elbows

Discussion in 'Peterbilt Forum' started by CG1, Aug 29, 2012.

  1. Aug 29, 2012 #1
    CG1

    CG1 Light Load Member

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    Aug 22, 2012
    Auburn, NE
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    I have a 2007 pete with the factory 7" straight pipes on it. I would like to put picket elbows on it, does anyone know if they will work or do I have to change pipes? Also it has a cat in it and has one of those big muflers under it,does it also have the augers in the pipes too?
     
    CG1, Aug 29, 2012
    CG1, Aug 29, 2012
    #1
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  3. Aug 29, 2012 #2
    flc120

    flc120 Heavy Load Member

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    Jul 11, 2012
    Miami,FL (yeah i know :( )
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    wow that thing must be gasping for air lol..
     
    flc120, Aug 29, 2012
    flc120, Aug 29, 2012
    #2
  4. Dec 31, 2012 #3
    CTE

    CTE Bobtail Member

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    Dec 30, 2012
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    Most of the picket elbows use the lower cab brackets as the joint it depends on how your stacks are set up at the bottom.
     
    CTE, Dec 31, 2012
    CTE, Dec 31, 2012
    #3
  5. Dec 31, 2012 #4
    CG1

    CG1 Light Load Member

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    Aug 22, 2012
    Auburn, NE
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    Thanks CTE, yes they join at the bottom cab bracket just like pickets do but I'm not for sure if the pipe size is the same. I'm not for sure but I think they might be Grand Rock exhaust and I'm told that not all of them are the same size on the inside. Look the same but I've just been trying to figure it out before I cut the old elbows out as they seem to be frozen.
     
    CG1, Dec 31, 2012
    CG1, Dec 31, 2012
    #4
  7. Jan 4, 2013 #5
    CTE

    CTE Bobtail Member

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    Dec 30, 2012
    0
    Most of the time that middle spool will be a female on bottom and a male on top. You need a picket elbow that is male on top. If you had some spare 7" pipe about 10" long you could take your stacks off cut em or whatever. And if it you can't find a elbow with a male top for whatever reason, just cut the 7" spare piece down one side and stick it in the elbow an tack weld it in there and you can slide you existing stack over it and then clamp the joint and let it ride. I just depends on if you find a male op elbow or not.
     
    CTE, Jan 4, 2013
    CTE, Jan 4, 2013
    #5
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