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F-134 exhaust system upgrade

Discussion in 'Early CJ5 and CJ6 Tech' started by Thunderpig, Mar 8, 2010.

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  1. Mar 8, 2010
    Thunderpig

    Thunderpig Member

    Parachute, Colorado
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    I have done a search on the site and find a lot of exhaust information related to some of the V6's in later jeeps, but not a bunch specific to the F 134.
    Initially I planned to just take it in to the local muffler shop and tell them to put a nice exhaust system on it to maximize performance and give it a quiet but yet kinda cool sound. I found out that they shut their doors. So now...

    I am planning to upgrade my exhaust system, by gently grinding out the manifold to smooth it a bit, and then going to 2" mandrel bent pipe and weld the exhaust myself. Any suggestions on a muffler for a quiet yet cool sound on the F-134?

    I am not a 20 year old kid anymore, but I don't mind a little bit of throaty sound.
     
    Thunderpig, Mar 8, 2010
    #1
  2. Mar 8, 2010
    dvw86

    dvw86 Member

    Eastern Washington
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    dvw86, Mar 8, 2010
    #2
  3. Mar 8, 2010
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    We are talking about an F Head, yes?
     
    Patrick, Mar 8, 2010
    #3
  4. Mar 8, 2010
    jasonjp62

    jasonjp62 Member

    Pennsboro WV.
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    I run a cherry bomb turbo on my f head and it's still quiet..........lol
     
    jasonjp62, Mar 8, 2010
    #4
  5. Mar 8, 2010
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    Oh you can make 'em loud. Throaty, not so much...:)
     
    Patrick, Mar 8, 2010
    #5
  6. Mar 8, 2010
    jpflat2a

    jpflat2a what's that noise?

    Hermosa, SD
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    Jul 30, 2003
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    I didn't like the 2" on mine
    lost some low end grunt
    just my experience
     
    jpflat2a, Mar 8, 2010
    #6
  7. Mar 8, 2010
    unclebill

    unclebill Banned

    a sun blasted...
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    Feb 17, 2009
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    ah yes
    the full throated roar of my 72hp popcorn popper...:D
     
    unclebill, Mar 8, 2010
    #7
  8. Mar 9, 2010
    Don X

    Don X The Prodigal Moderator Staff Member 2023 Sponsor

    San Diego,...
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    Bill, you get popcorn out of your f-head? All I get is hamster poop. :D
     
    Don X, Mar 9, 2010
    #8
  9. Mar 9, 2010
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    Oof. Bill, ya need to stop eatin' that kay jun popcorn.
     
    Patrick, Mar 9, 2010
    #9
  10. Mar 9, 2010
    rejeep

    rejeep Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Rochester, NY
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    an exhaust upgrade on these old motors is like tricking out your lawn tractor...

    use it, love it, appreciate it for what it is and it will never let you down.
     
    rejeep, Mar 9, 2010
    #10
  11. Mar 9, 2010
    unclebill

    unclebill Banned

    a sun blasted...
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    [​IMG]
     
    unclebill, Mar 9, 2010
    #11
  12. Mar 9, 2010
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    ...Is there something wrong with that?
     
    Patrick, Mar 9, 2010
    #12
  13. Mar 9, 2010
    rejeep

    rejeep Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Rochester, NY
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    For the novelty factor, NO....

    But why?
     
    rejeep, Mar 9, 2010
    #13
  14. Mar 9, 2010
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    Why not? My Jeep is my DD, but also a hobby. I like to make it like I want, and tinker with it.
     
    Patrick, Mar 9, 2010
    #14
  15. Mar 9, 2010
    blevisay

    blevisay Oh Noooooooooooooooo! Staff Member

    Portland Tn.
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    You may find the performance will actually drop off with a 2" pipe.
     
    blevisay, Mar 9, 2010
    #15
  16. Mar 9, 2010
    Thunderpig

    Thunderpig Member

    Parachute, Colorado
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    Sorry I don't understand why it's funny to try and get the most out of your stock engine.
     
    Thunderpig, Mar 9, 2010
    #16
  17. Mar 9, 2010
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    Absolutely nothing.
     
    Patrick, Mar 9, 2010
    #17
  18. Mar 9, 2010
    blevisay

    blevisay Oh Noooooooooooooooo! Staff Member

    Portland Tn.
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    The :v6:guys are just jealous cause we can do what they can with less hp.
    :D
     
    blevisay, Mar 9, 2010
    #18
  19. Mar 9, 2010
    kaiser_willys

    kaiser_willys Well-Known Member

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    :iagree: had 2 inch put on mine and didnt like it at all, didnt like the sound, or the peformance. chopped up what i could use out of the new exaust and put it on my chevy. then went with the stock setup. and for what its worth, 50 feet away you can hear a conversation between two people over the jeep, now thats quite:rofl:
     
    kaiser_willys, Mar 9, 2010
    #19
  20. Mar 9, 2010
    Thunderpig

    Thunderpig Member

    Parachute, Colorado
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    You may be right!:rofl: regardless I hope they get hemmorhoids!:D
     
    Thunderpig, Mar 9, 2010
    #20
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