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engine problems

Discussion in 'Performance and Tuning' started by TacomaJohn, Dec 20, 2009.

  1. Dec 20, 2009 at 9:20 PM
    #1
    TacomaJohn

    TacomaJohn [OP] Member

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    so if i remove my cats and run a 2.25 inch exhaust what kinds of negative side effects wil that cause on my engine?
     
  2. Dec 20, 2009 at 9:27 PM
    #2
    TacomaJohn

    TacomaJohn [OP] Member

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    no way..thats amazing..but other than this there is no other programer? like on my F250 i could run several programmers for the diesel and the turbo
     
  3. Dec 20, 2009 at 9:30 PM
    #3
    rhodehard09

    rhodehard09 sometimes nonsense is the only sense someone has

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    the reduction in backpressure may have some negative side effects i would do some more investigation before i did this. you may decrease horsepower
     
  4. Dec 20, 2009 at 9:31 PM
    #4
    TacomaJohn

    TacomaJohn [OP] Member

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    oh ok..great
     
  5. Dec 21, 2009 at 4:31 AM
    #5
    XrunnIT

    XrunnIT Well-Known Member

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    The truck has two sets of cats, so depending on which cats you eliminate you'll do 1 of 2 things.

    1. if you remove the front cats, you'll throw an o2 code.
    2. if you remove the rear cats, nothing will happen.

    Either or will increase the sound, and peak HP. You MIGHT lose a little low end, but IMO not enough to make any kind of real difference. You're just moving the torque higher up in the rpm range.
     
  6. Jan 1, 2010 at 1:55 PM
    #6
    GodHatesUsAll

    GodHatesUsAll Reign in Blood

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