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i want to true dual but how?

Discussion in 'Performance and Tuning' started by sir1123, Mar 20, 2011.

  1. Mar 20, 2011 at 8:28 PM
    #1
    sir1123

    sir1123 [OP] Tacomas FTMFW!!!!

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    i have a 99 prerunner. i want to true dual it but how do i go about it with having to add an0ther 02 sensor and how could this be done without fllipping the check engine light?
     
  2. Mar 22, 2011 at 5:55 AM
    #2
    Texoma

    Texoma Well-Known Member

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    What do you have, a 4banger or a 6cyl?
     
  3. Mar 22, 2011 at 2:26 PM
    #3
    Texoma

    Texoma Well-Known Member

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    OK, looked at your description. Where does the Y pipe connect? If it's just behind the engine like I think it is you're gonna be havin' a real hard time doin' a true dual out. If the Y is under the vehicle vs behind the engine, just cut the Y and weld pipes seperate.
     
  4. Mar 22, 2011 at 2:28 PM
    #4
    macgyver

    macgyver Well-Known Member

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    You will actually lose power with true duals.
     
  5. Mar 22, 2011 at 2:32 PM
    #5
    Texoma

    Texoma Well-Known Member

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    How's that?
     
  6. Mar 22, 2011 at 7:45 PM
    #6
    sir1123

    sir1123 [OP] Tacomas FTMFW!!!!

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    thoought i would gain more power but ok....more flow....2 cats and two mufflers wouldnt be enough back pressure....? and also with the urd 3" cat back you lose power to?
     
  7. Mar 22, 2011 at 7:52 PM
    #7
    TmecTaco79

    TmecTaco79 Well-Known Member

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    With exhaust systems there's kinda a delicate balance with the displacement of the engine and the correct back pressure and the correct amount of flow. I wouldnt recommend getting a 3inch exhaust just because our trucks don't require something that big and you won't see any benefit. Unless you're running a force induction system a dual, big, or free flowing exhaust will not help much if at all.
     
  8. Mar 22, 2011 at 7:57 PM
    #8
    sir1123

    sir1123 [OP] Tacomas FTMFW!!!!

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    so your saying get a supercharger then slap an performance exhaust on? like that idea
     
  9. Mar 22, 2011 at 8:18 PM
    #9
    TmecTaco79

    TmecTaco79 Well-Known Member

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    Do it!!!!:D:D:D
     
  10. Mar 22, 2011 at 8:26 PM
    #10
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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