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I got my passenger cats cut off. Will these work?

Discussion in '2.5 Gen Tundras (2014-2021)' started by Erick, May 16, 2022.

  1. May 16, 2022 at 9:11 AM
    #1
    Erick

    Erick [OP] New Member

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    HID lights, Duratracs, Bilstein 5100's, 2" Spacer, Sumo springs.
  2. May 16, 2022 at 9:24 AM
    #2
    Tundra234

    Tundra234 New Member

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    Alot of them
    These trucks DO NOT like aftermarket cats. They will throw a CEL.
     
    ColoradoTJ and Rocko9999 like this.
  3. May 16, 2022 at 9:28 AM
    #3
    Rocko9999

    Rocko9999 New Member

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    2 options. Only option for no CEL is OEM. Second option is if you live in a state without inspections, go aftermarket and live with CEL. Your insurance will cover cat theft.
     
  4. May 16, 2022 at 9:44 AM
    #4
    texasrho83

    texasrho83 Teacher in a Tundra

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    Magnaflow is the best option from what I've read but yes they can also throw codes. Use a Denso sensor and cross your fingers. At the least you'll be able to drive your truck and not have it sit on a dealer's lot for 3-6 mos.
     
    reywcms likes this.
  5. May 16, 2022 at 9:45 AM
    #5
    texasrho83

    texasrho83 Teacher in a Tundra

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    Option 3, go catless and liberate yourself from the stress of cat shields and cat thieves :headbang:
     
  6. May 16, 2022 at 9:47 AM
    #6
    Tundra234

    Tundra234 New Member

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    Then the Fkrs would hit the gas tank. I hate thieves.
     
    texasrho83[QUOTED] likes this.
  7. May 16, 2022 at 9:50 AM
    #7
    texasrho83

    texasrho83 Teacher in a Tundra

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    My 38gal is still intact :fingerscrossed:
     
  8. May 16, 2022 at 11:55 AM
    #8
    showtime240

    showtime240 New Member

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    You can always just go LT Headers, custom midpipes with after market cats, and eliminate the rear cats.
    Then get a tune to eliminate the CEL.
     
  9. May 16, 2022 at 12:05 PM
    #9
    texasrho83

    texasrho83 Teacher in a Tundra

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    You said it. If you're gonna do headers then kill the cats altogether. Avoid the future potential for cat theft. There are guys getting hit 2 or 3 times on the same vehicle.
     
    showtime240[QUOTED] likes this.
  10. May 16, 2022 at 1:55 PM
    #10
    MOTORHEAD

    MOTORHEAD New Member

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    Go to walker exhaust and type in your year and vehicle make and find out which cat will work for your state, or call them up. Replace oxygen sensor with Denso pen type. Really pretty simple except for paying for it. Mine were stolen in 2018 and I live in California , the toughest smog state. I did it myself for around $600
     
    showtime240 and texasrho83 like this.
  11. Oct 9, 2022 at 2:46 PM
    #11
    Big_Ed

    Big_Ed New Member

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    So, an aftermarket cat with this type of O2 sensor wont throw a check engine light? What does 'pen type' mean?
     
  12. Oct 9, 2022 at 4:16 PM
    #12
    MOTORHEAD

    MOTORHEAD New Member

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    Make sure you buy cats that will pass smog form your state or you will never pass smog
     

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