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91 perfomance tune .

Discussion in '5 Star Tuning' started by DezertRacer, Feb 20, 2015.

  1. DezertRacer

    DezertRacer Supporting Vendor Supporting Vendor

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    In the tune are the rear 02 sensors turned off? Thinking about getting the Bassani of-road Y-pipe. I have heard it will throw a cel for the cats being gone if these are not off ..
     
  2. The Macf

    The Macf FRF Addict

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    You have to tell them if you have rear sensors or not. I think the Bassani keeps the rear sensors.
     
  3. SlimChaChi

    SlimChaChi FRF Addict

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    I believe all 5 star tunes turn off the sensors, but I could be wrong. I know SVCs leaves them active unless you have headers, but maybe someone with more knowledge on this can chime in....

    @svc
    @5star
     
  4. Wilson

    Wilson FRF Addict

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    with diablosport tune and SW headers I left mine on. I took out the cat's and turned them off.
     
  5. DezertRacer

    DezertRacer Supporting Vendor Supporting Vendor

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    Thats the reason I'm curious , Looking into the bassani offroad Y-pipe but don't want to throw a Cel with no cats .
     
  6. Wilson

    Wilson FRF Addict

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    I think the cats make your exhaust temp hotter. So when you take them out it reads Unburnt gas, not sure if e-30 would read but didn't want to see the cod so shut them off. I ran e-30 headers with out a tune and n ver threw a cod.
     

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