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New muffler for a C-15 Cat

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Coonass, Jul 2, 2009.

Page 1 of 3
  1. Jul 2, 2009 #1
    Coonass

    Coonass "Freshy Fresh"

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    Sep 23, 2008
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    I have an 04 International with a C-15 435hp, with a 10 sp eaton fuller
    tranny.

    What I want to do is replace the stock muffler with an aftermaket one
    that will let the engine breath and create horsepower and increase mpg.

    I would like some advice on which ones would be best for this, and which
    ones worked well for you.

    Thanks
     
    Coonass, Jul 2, 2009
    Coonass, Jul 2, 2009
    #1
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  3. Jul 2, 2009 #2
    PaulE

    PaulE Medium Load Member

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    Jan 15, 2009
    Verona Wi
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    Donaldson M100463 ( straight thru but quiet flows over 3200 cfm ) if you have standard mufflers. if its underneath, resonator or Pitt Power has a direct replacement
     
    PaulE, Jul 2, 2009
    PaulE, Jul 2, 2009
    #2
    Coonass Thanks this.
  4. Jul 3, 2009 #3
    Coonass

    Coonass "Freshy Fresh"

    1,080
    1,179
    Sep 23, 2008
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    The muffler is standard being at the back of the truck not underneath.

    I was looking at Pittsburgh Power's mufflers last night seem to be very
    reasonably priced at $158.20...

    Does anyone have one of these on their truck(s)?
     
    Coonass, Jul 3, 2009
    Coonass, Jul 3, 2009
    #3
  5. Jul 3, 2009 #4
    C16KIWI

    C16KIWI Medium Load Member

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    Jun 14, 2008
    New Zealand
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    I was told they are the same as the Donaldson M100463.
     
    C16KIWI, Jul 3, 2009
    C16KIWI, Jul 3, 2009
    #4
  7. Jul 3, 2009 #5
    SPIKE 64

    SPIKE 64 Light Load Member

    150
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    Feb 26, 2008
    San Antonio tx.
    0
    Yup The Donaldson's are less pricey also you might also check out the dynaflexe's, I got a pair for my shacker for about $120 out the door.
     
    SPIKE 64, Jul 3, 2009
    SPIKE 64, Jul 3, 2009
    #5
  8. Jul 3, 2009 #6
    MedicineMan

    MedicineMan Road Train Member

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    Woodville, TX
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    you cann find that donaldson for about a third of what pitsburg sells it for. same thing they sell. call napa with the part number they should sell it, just make sure it's the donaldson and they aren't cross referencing the number as the other brand may not be the same
     
    MedicineMan, Jul 3, 2009
    MedicineMan, Jul 3, 2009
    #6
  9. Jul 3, 2009 #7
    112racing

    112racing Road Train Member

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    20,548
    Nov 30, 2008
    pocono's, pa
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    just get standard mufflers and knock the centers out 1/2 the cost of the pit powers
     
    112racing, Jul 3, 2009
    112racing, Jul 3, 2009
    #7
  10. Jul 4, 2009 #8
    Mr. Haney

    Mr. Haney Road Train Member

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    Dec 17, 2008
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    The Donaldson M100463 is the exact same muffler Pitts' Power sells. Buy this muffler, a standard muffler with the baffles knocked out of it doesn't flow as well and ends up being noisier.
     
    Mr. Haney, Jul 4, 2009
    Mr. Haney, Jul 4, 2009
    #8
  11. Jul 5, 2009 #9
    RW.

    RW. Heavy Load Member

    715
    995
    Jan 18, 2009
    west central IL
    0
    I've had a Walker Mega Flow on my T-800 for probably 3 years now. I don't know how it compares to the Donaldson, but its certainly better than a stock muffler. Seems like its well built, has some kind of aluminized stuff sprayed over the welds, doesn't show any signs of rusting yet.
     
    RW., Jul 5, 2009
    RW., Jul 5, 2009
    #9
  12. Jul 5, 2009 #10
    hmtruk

    hmtruk Light Load Member

    123
    49
    Jun 7, 2009
    big lake ,mn
    0
    walker is close to the donaldson according to spec sheet, a littel more back pressure.its not the outside that goes frist,it's the inside gets plugeed up abd restrickes the flow first. its like shocks look ok but have failed on the inside. have looked at bruces [pp] and pdi's moufflers there both the same and made by donaldson. even have donaldson part # stamped on them
     
    hmtruk, Jul 5, 2009
    hmtruk, Jul 5, 2009
    #10
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