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4 into 1 exhaust

Discussion in 'XJ Modifications' started by 1FASTHOE, Sep 16, 2009.

  1. 1FASTHOE

    1FASTHOE Member

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    how much ground clearance do you lose running a 4 into 1 exhaust ?
     
  2. danamoose

    danamoose Member

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    4into1 is roughly twice the size of a stock exhaust. I dont have any pics handy, but in the stock exhaust each set of two manifolds come together (side by side) into one then to the muffler. In the 4into1 systems the two left pipes come together one on top of the other (same with the right side) then the two vertically stacked sides come together side by side. Hope this makes some sense. Check out the second page of my 1100 bobber thread there is a pic on there of my 4into1 system that may help.
    -Dana
     
  3. 1FASTHOE

    1FASTHOE Member

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    so about two inches ?
     
  4. danamoose

    danamoose Member

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    Ok, today I was able to run out and take some measurements......
    On my 1100 each individual pipe is 1.5 inches, and at the thickest point where they all come together it is 3.25 inches thick. If your workin on a 650/750 I beleive their individual pipes arent 1.5 I think they are 1.25 so the thickest point on a 4into1 for a 650/750 is likely right around 3 inches. Hope that heps more.
     
  5. 1FASTHOE

    1FASTHOE Member

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    thank you moose, that helps out some. i made my own exhaust and not sure if i care for the sound of it....?
    was hoping for something a little more throaty....
     
  6. 1FASTHOE

    1FASTHOE Member

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    any of you guys have a pic of a 4 into 1 exhaust on your bike. all i could find online are crappy pics...thanks
     
  7. rpgoerlich

    rpgoerlich Member

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    In my gallery I have a 81XJ750 seca with a 4into1 Kerker.
     
  8. XJ4Keeps

    XJ4Keeps Member

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    Probably not enough to challenge your tires (or your onion sack, for that matter) in the twisties. A better question might be: How much hearing do you lose running a 4-1 exhaust?
     
  9. 1FASTHOE

    1FASTHOE Member

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    ONION SACK.....HA
    as far as hearing goes, i already planned on wearing ear plugs.
     
  10. plansea

    plansea Member

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  11. 1FASTHOE

    1FASTHOE Member

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    your bike looks to be stock ride height ?
     
  12. plansea

    plansea Member

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    Hi, 1FASTHOE

    Yes, all stock but the 4 into 1 exhaust and some saddlebag brackets that may come off soon.

    I don't know how Maxim and Seca heights compare. The other issue is no centre stand with the 4 in 1, sometimes a bit of a nuisance, but I can live with it :)

    Eric
     
  13. 1FASTHOE

    1FASTHOE Member

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    i pulled my center stand off already to get rid of excess weight and to run the exhaust i have on my bike now...i just dont like the sound of it.
     
  14. 1FASTHOE

    1FASTHOE Member

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    anybody running a harley muff on a 4 into 1 ?
    my whole thing is i want my bike to sound good and not tinny and not overly loud ?
     
  15. 1FASTHOE

    1FASTHOE Member

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