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Pipe mods

Discussion in 'XJ Modifications' started by Obri, Mar 3, 2014.

  1. Obri

    Obri New Member

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    I have an xj650rj and I was just wondering if anyone knew the stock header pipe size. I do not have any but I am having a header made. Any help is greatly appreciated
     
    Obri, Mar 3, 2014
    #1
  2. TIMEtoRIDE

    TIMEtoRIDE Active Member

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    The factory "chrome" pipes are double-walled to keep the pipes from blueing.

    The "Mac" system (4-into-1) is still available new - for around $250
    It even retains your main-stand

    Any modified, free-flowing system will require a re-jet

    Building a custom exhaust system from Stainless would be awesome, and we NEED pix !! (or it didn't happen) :wink:

    In fact - if your friend can bend and weld Stainless, he could sell 35 exhaust systems on this site, this year !!
     
    TIMEtoRIDE, Mar 3, 2014
    #2
  3. Obri

    Obri New Member

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    I know a lot of people are against velocity stacks and open exhaust but what jet sizes should I go to for that? And how can I order them from the catalog on here
     
    Obri, Mar 3, 2014
    #3
  4. TIMEtoRIDE

    TIMEtoRIDE Active Member

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    (see above for an edit)

    Chacal, on-site, has a variety of jet sizes. PM him when needed.

    Most likely, you would go from a 110 Main size, to a 112 - 114 size.
     
    TIMEtoRIDE, Mar 3, 2014
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  5. bobcat5540

    bobcat5540 Member

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    These are not stainless BUT.... some 1-3/4" pipe and fittings from Summit Racing and you too can have some custom pipes. It takes time to fit and re-fit and re-fit and re-fit. I added some black header wrap /s.s. tie wraps and painted the tops and bottoms with "POR-20 Black Velvet" high heat paint. Lost the center stand in the process.
    By the way... I color tuned and did not need to re-jet. See Chacal's write up in his Catalog about re-jetting.


    http://i1288.photobucket.com/albums/b48 ... ce55ca.jpg
    http://i1288.photobucket.com/albums/b48 ... da1609.jpg
    http://i1288.photobucket.com/albums/b48 ... 93e3e3.jpg
    http://i1288.photobucket.com/albums/b48 ... 55769e.jpg
     
    bobcat5540, Mar 11, 2014
    #5

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