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Straight piping

Discussion in 'Xtreme Diesel Performance' started by ramthis9501, Jan 16, 2012.

  1. ramthis9501

    ramthis9501 Senior Member

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    On my dads 06 Ram 2500 with the 5.9, I was wondering if we could straight pipe it ourselves without having to buy an exhaust system. The cat, muffler and other thing in the pic are all clamped on. I was thinking we could just get some pipe to put in the pieces places. Would that work or is there a difference between doing that and a straight piped system?

    Muffler
    [​IMG]
    [​IMG]

    Cat
    [​IMG]
    [​IMG]

    Whatever this is
    [​IMG]

    Thanks in advance
     
    Last edited: Jan 16, 2012
  2. iSlacker816

    iSlacker816 Senior Member

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    Just cut it out and replace with piping, no difference beside it looks pretty lol
     
  3. S2kiHemi

    S2kiHemi Senior Member

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    .............
     
    Last edited: Jan 16, 2012
  4. ramhunter9

    ramhunter9 Senior Member

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    Wrong .. I have straight pipe 5" from turbo to stacks .. thats it . No loss in back pressure at all as in a diesel there is no back pressure as it goes threw a turbo first , you must be thinking on a gasser , then yes back pressure is a issue . You can gut all that crap and just put in pipe .. Or .. get a kit from Jeff at XDP that is a straight pipe kit .
     
  5. ramthis9501

    ramthis9501 Senior Member

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    But thats my question... Is there a difference between the system and just doing it my way?

    And are there any O2 sensors that I would have to worry about.
     
  6. ramhunter9

    ramhunter9 Senior Member

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    I never had o2 sensors , dont even know if a CTD has them ?
     
  7. ramthis9501

    ramthis9501 Senior Member

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    I don't think it does cause I didn't see any.
     
  8. BlackedOutHemi

    BlackedOutHemi Senior Member

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    Crawl under and look. If there's a sensor behind a cat or anything. Then you have to do something about it. If they're all upfront. No worries.


    Sent from my iPhone using Tapatalk
     
  9. ramhunter9

    ramhunter9 Senior Member

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    There is no UP FRONT ...

    Gasser has two tubes coming off to 2 headers with sensors and BS to the exhaust

    Diesel has one pipe coming off the turbo out the back .

    I am pretty positive there are no o2 sensors on a CTD
     
  10. Stangshcky12

    Stangshcky12 Super Moderator Staff Member Super Moderator

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    Your turbo creates all the back pressure your truck will need, anything after that is just resistance
    The stock system is 4" which flows enough for up to 500 hp. If your planning to go more, go with a 5".
    There is nothing else there but a cat, muffler and resonator.
    On my girlfriends 05 I tried just unclamping and disassembling but no dice. Between rust and the exhaust temperatures they wouldnt budge. I even sprayed it with pb every day for 2 weeks.
    I do beleive the cat has an offset from in to out so you may not be able to just weld a straight piece of pipe in. I've been meaning to check. You could always use a short piece of flex pipe for the cat and just 4" for the muffler and resonator
     

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