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2005 2.7 Base model tacoma access cab exhaust help!

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Paul808, May 30, 2014.

  1. May 30, 2014 at 1:19 PM
    #1
    Paul808

    Paul808 [OP] New Member

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    I plan on getting the Dynomax 39447 cat back system exhaust. I was wondering if it will fit as it is made for the 4.0 or so it says and what performance gains will I see with possibly new headers and an intake system. My number one question is will it fit? I heard you have to cut the straight pipe or something in that nature? Help me!

    Also any reviews on the Dynomax exhaust system?
     
  2. Jan 2, 2017 at 6:09 PM
    #2
    Ruggybuggy

    Ruggybuggy Well-Known Member

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    Anyone done this yet?
     
  3. Jan 2, 2017 at 6:14 PM
    #3
    Clearwater Bill

    Clearwater Bill Sometimes when I close my eyes, I can't see.

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    You can make anything fit if you can cut and weld.

    And the performance gain will be minimal. 5-10 tops?
     
  4. Jan 2, 2017 at 7:39 PM
    #4
    Ruggybuggy

    Ruggybuggy Well-Known Member

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    I already have the LC Engineering header which was a nice improvement so I wanted to know how the header would sound with the header. The searching Ive done makes me think the 4.0 and 2.7 use the same exhaust from the cat back.
     
  5. Jan 4, 2017 at 2:23 PM
    #5
    Mongoose

    Mongoose Well-Known Member

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    I've also considered this for my 2.7. What I've noticed is that the flanges and gaskets for the catbacks are slightly different between the 2.7 and the 4.0. I did see where someone on a different site installed the Dynonax system on a 2.7, I messaged him, but never received a reply.
     
    Last edited: Jan 4, 2017
    Ruggybuggy likes this.
  6. Jan 4, 2017 at 5:38 PM
    #6
    Ruggybuggy

    Ruggybuggy Well-Known Member

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    I did a search and pretty confident it will bolt up. I ordered the system and will confirm.
     
    Mongoose and tacoburrito like this.
  7. Jan 24, 2017 at 8:39 PM
    #7
    Ruggybuggy

    Ruggybuggy Well-Known Member

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    I can confirm the dynomax exhaust does work with the 2.7. I ended up putting on a Quiet flow muffler. I found the Dynomax muffler too load for my taste.
     
  8. Jan 26, 2017 at 3:48 PM
    #8
    Mongoose

    Mongoose Well-Known Member

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    Thanks reporting back on the Dynomax 39447 system on the 2.7. How did the flanges fit together, were the hole spacings a little different? Which style gasket did you use, aren't the 4.0 and 2.7 flange gaskets different?
    Thanks
     
  9. Jan 26, 2017 at 5:41 PM
    #9
    Ruggybuggy

    Ruggybuggy Well-Known Member

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    The flange holes on the Dynomax system are a little wider bit I slightly ovaled out the holes and it bolts on without issue. The Dynomax comes with a new gasket which is a perfect fit. The 4.0 and 2.7 use the same diameter pipe and the same style of gasket.
     
  10. Dec 8, 2017 at 1:20 PM
    #10
    OnewithBunVT

    OnewithBunVT Member

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    Stock 2TR-FE w/ 5 speed manual trans....for now.

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