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Single?

Discussion in 'Early CJ5 and CJ6 Tech' started by Bob, Jan 24, 2006.

  1. Jan 24, 2006
    Bob

    Bob Sponsor

    Northern California
    Joined:
    Sep 23, 2002
    Messages:
    282
    I apologize for beating a dead horse here, but I've been daydreaming about a different exhaust for the Jeep again because I'm sick of the fumes. I've searched the forum, but didn't see that anyone was running a single 2 1/2" system. Anyway, I was thinking about going to a single 2 1/2" pipe inside the frame that would exit on the passenger side at the rear corner of the body (similar to the factory). Do you guys think the single 2 1/2" system would restrict power and fuel mileage compared to my current dual 2" pipes?
     
  2. Jan 24, 2006
    jd7

    jd7 Sponsor

    Nacogdoches,Texas
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    Mar 30, 2004
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    I've been thinking I want to try the same thing. Everything you read nowday points to performance from a large single exhaust. I ran 2 1/4" inch pipe years ago on a CJ7 w/duals that's as large as the mufler shop guy said he thought he could get under it. I have 2" exit under the doors on each side and am thinking a y pipe into 2 1/4" or so single exit behind the rear wheel.
     
  3. Jan 25, 2006
    OrangeCJ5

    OrangeCJ5 Sponsor

    Taylorsville, UT
    Joined:
    Apr 29, 2003
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    422
    Bob,

    I have a single 2 1/2" inch exhaust that is up inside the frame rail and exits the rear corner of the Jeep, only thing is mine exits on the drivers side. Horsepower and mileage seem to be unaffected. Plus, it's SOOOOOOOOOO much quieter and less smelly. Let me see if I can snap some pics later this afternoon and post them. I think I still owe you guys some pics of my dual battery setup too.

    Mike
     
  4. Jan 25, 2006
    timgr

    timgr Jeepin' Nerd 2020 Sponsor 2019 Sponsor

    Medford Mass USA
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    Aug 10, 2003
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    21,195
    Sounds like a good idea to me. You can pick your muffler to give the sound that you want. Plus, fewer parts cause less service problems.
     
  5. Jan 25, 2006
    OrangeCJ5

    OrangeCJ5 Sponsor

    Taylorsville, UT
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  6. Jan 25, 2006
    John A. Shows

    John A. Shows Comic Relief

    Mendenhall...
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    Sep 24, 2002
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    935
    I ran a single pipe, not sure of the size...whatever was factory I'd guess, into a single muffler with one inlet and two outlets. Then I ran two tail pipes to both rear corners behind the tires. Those who saw it @ Tellico will tell you it was quiet as a mouse.
     
  7. Jan 25, 2006
    Bob

    Bob Sponsor

    Northern California
    Joined:
    Sep 23, 2002
    Messages:
    282
    Thanks for the input guys. And thanks for the pics Mike. I think I'll try to hit up some muffler shops Friday and see what they say. I'll let you guys know.
     
  8. Jan 26, 2006
    Uncle Jeep

    Uncle Jeep Snow in the desert??

    No longer in NM!!!
    Joined:
    Feb 20, 2004
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    37
    Bob, if you have any problems finding a good muffler shop, PM me. I know a couple places up there that do DARN good work. I know, I worked at these places. If you can dream it up, they'll work with ya. The catch is cost. These places do alot of top end work on rods.
     
  9. Jan 26, 2006
    Bob

    Bob Sponsor

    Northern California
    Joined:
    Sep 23, 2002
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    Thanks Hillbilly. I'll let you know.
     
  10. Jan 27, 2006
    69utjeeper

    69utjeeper Member

    layton, Utah
    Joined:
    Oct 7, 2004
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    131
    been considering going back to a single, but wasnt sure if it would hinder the performance..... but would be nice to have it slightly quieter....
     
  11. Jan 27, 2006
    OrangeCJ5

    OrangeCJ5 Sponsor

    Taylorsville, UT
    Joined:
    Apr 29, 2003
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    You wouldn't believe how nice it is to have it quieter and not to smell like exhaust every time you drive it.
     
  12. Jan 27, 2006
    Boyink

    Boyink Super Moderator Staff Member

    Ava, MO
    Joined:
    Sep 20, 2002
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    5,117
    Quiet Jeeps rule! ;)

    Dutch wasn't real loud, but I really appreciate the single / quiet exhaust on SSDutch. Seems to be less odor as well.
     

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