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Removing the rear cats..... Cause an issue?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Warputer, Aug 10, 2011.

  1. Aug 10, 2011 at 12:39 PM
    #1
    Warputer

    #1
    Warputer [OP] Dirt Road Inspector

    Joined:
    Jul 31, 2011
    Member:
    #60864
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    First Name:
    Chris
    Lake Murray, South Carolina
    Vehicle:
    2011 TRD Off Road
    9" of Super Bro lift
    Getting pipes/muffler tomorrow & wanted to know if you guys have had any issues with removing the rear cats, just before the "Y"? Gas mileage decrease? Warrenty issue? Any check engine light......etc?

    2011 DC 4x4.............Thanks for any input you can give guys!
     
    Warputer, Aug 10, 2011
    #1
  2. Aug 10, 2011 at 12:41 PM
    #2
    vbibi

    #2
    vbibi Well-Known Member

    Joined:
    Jul 23, 2009
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    Male
    san fransisco bay area
    Vehicle:
    2009 4door long bed
    Smog inspection??????????????
     
    vbibi, Aug 10, 2011
    #2
  3. Aug 10, 2011 at 12:42 PM
    #3
    tegdog

    #3
    tegdog Taco Lover

    Joined:
    Mar 28, 2009
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    Male
    Indiana
    Vehicle:
    09 Tacoma Dbl TRD Sport
    ventvisors,seatcovers, bug shield,TRD CAI,TRD CAT BACK,blacked out emblems,bed extender, TSB leaf pack,Pro Dry filter, Grill craft upper, lower, & triangles, Hella 500 Black magics
    It wont cause your check engine light to come on, that will only happen if you pull the primary cats. The computer only monitors the primary cats.
     
    tegdog, Aug 10, 2011
    #3
  4. Aug 10, 2011 at 12:46 PM
    #4
    Warputer

    #4
    Warputer [OP] Dirt Road Inspector

    Joined:
    Jul 31, 2011
    Member:
    #60864
    Messages:
    8,386
    Gender:
    Male
    First Name:
    Chris
    Lake Murray, South Carolina
    Vehicle:
    2011 TRD Off Road
    9" of Super Bro lift
    No vehicle inspections in our back country State.....
     
    Warputer, Aug 10, 2011
    #4
  5. Aug 10, 2011 at 12:49 PM
    #5
    98tacoma27

    #5
    98tacoma27 is going full "SANDWICH" Moderator

    Joined:
    Dec 18, 2008
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    First Name:
    Ben
    Not Beech Creek
    Vehicle:
    05 Tundra SR5 (+295k AND COUNTING), 2006 F350 King Ranch 6.0L
    Some stuff. Not a lot, just some.
    URD makes a y-pipe that replaces the rear CATs. You will have to put two bungs in though for the rear O2 sensors or you will get CEL's. The one pictured below is for pre-runners.

    [​IMG]
     
    98tacoma27, Aug 10, 2011
    #5
  6. Aug 11, 2011 at 1:50 AM
    #6
    rossk35

    #6
    rossk35 Do Work Son!

    Joined:
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    hawaii
    Vehicle:
    07 TRD Sport Supercharged
    TRD S/C/TRD Intake/TRD Boost Gauge/DT Headers/OEM TL/ZKW retro/Pioneer DVD w/Ipod/Magnaflow/20% Tint/BHLM/JL 10" sub, JL VR components, JL 450/4 amp/Helwig Sway bar/Viper 791/ 18" limited 4runner rims
    No issues. Your exhaust will get a bit louder, so if you still have the stock exhaust you'll end up changing that also because it won't sound that great with the stock muffler.
     
    rossk35, Aug 11, 2011
    #6

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