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Quick question about exhaust

Discussion in 'Performance and Tuning' started by Toy Yoda, Jan 18, 2012.

  1. Jan 18, 2012 at 4:13 PM
    #1
    Toy Yoda

    Toy Yoda [OP] gotta make sure Youtube comes down to tape this

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    Does chopping the exhaust above the rear axle benefit you in any way? other than you don't see it and it doesn't catch mud behind the tire? thinking about chopping mine and was wondering.

    also i heard carbon monoxide can build up under the bed and it can leak into the cab? not so sure about that but if thats true i wouldn't do the mod

    Thanks,
    Garrett
     
  2. Jan 18, 2012 at 4:16 PM
    #2
    trdNick

    trdNick Odie

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    absolutely no benefit except for looks. and yes if you are stopped with the engine idling it is more likely to get carbon monoxide in the cab. its not a problem if your moving.
     
  3. Jan 18, 2012 at 4:17 PM
    #3
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    In some cases, depending on where you cut, it can also heat up the axel housing, and cause premature wear/failure of parts in the axel.
     
  4. Jan 18, 2012 at 4:18 PM
    #4
    Foihdzas

    Foihdzas VA7PTZ

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    x2
     
  5. Jan 18, 2012 at 4:36 PM
    #5
    hetkind

    hetkind Well-Known Member

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    had a tailpipe bust on a pathfinder while on a long road trip...damaged the inside of the truck above the break. I would run it to the exterior of the vehicle...
     
  6. Jan 18, 2012 at 5:17 PM
    #6
    LUSETACO

    LUSETACO Here for the Taco Pron

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    Yes
    If you have an aftermarket muffler you might get some change in sound. I had a Flowmaster super 40 on stock pipes and had a wicked drone at 1500 RPM. After I dumped it over the axle I lost the drone and the exhaust note was actually a little quieter. And yes if you leave your truck running while stopped you will get some build up of exhaust gas under the bed.
     
  7. Jan 18, 2012 at 5:19 PM
    #7
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    Clearance, keeps you from coming off the rear tire and straight down on the exhaust pipe, shoving it into the body panel.
     
  8. Jan 18, 2012 at 6:13 PM
    #8
    Toy Yoda

    Toy Yoda [OP] gotta make sure Youtube comes down to tape this

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    thanks for all the info, won't be doing the mod!
     
  9. Jan 19, 2012 at 7:56 AM
    #9
    MonkeyProof

    MonkeyProof Power Top

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    X2 gazillion billion....!!!!!!!!!!!

    I had to cut my exhuast right behind the muffler due to trail damage....as a result the hot gasses dumped right onto the housing....the housing got so that my ABS sensor wires actualy melted. I also now thinking that as Chris4x4 mentioned, all that excessive heat in ghe heat as a result may have contributed to my rear ring and pinion failures. I have recently added a small turndown pipe that I purchased from pep boys to help direct the exhaust gasses away from the axle housing
     
  10. Jan 19, 2012 at 8:12 AM
    #10
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Yup! YOu can see the discoloration of the axel where the exhaust was cooking the shit out of it. You should have put a hot dog there, and you could have had lunch.
     
  11. Jan 19, 2012 at 8:19 AM
    #11
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    i want hot dog :(
     
  12. Jan 19, 2012 at 8:24 AM
    #12
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    no you bastard! the hot dogs you EAT....you know...the ones made from all the animal leftovers?
     
  13. Jan 19, 2012 at 8:33 AM
    #13
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    :woot:

    maybe....I'll have to check next time.
     
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