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Cat back delete

Discussion in 'Performance and Tuning' started by ODSteve, Jan 7, 2015.

  1. Jan 7, 2015 at 11:30 PM
    #1
    ODSteve

    ODSteve [OP] New Member

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    2012 Thundra SR5 TRD CrewMax
    K&N Filter, Low Profile tool box.
    I couldn't find it in the forums but who had done then what's your guys opinion on this pros cons I always like louder...
     
  2. Jan 8, 2015 at 7:28 AM
    #2
    TruckyTruck

    TruckyTruck New Member

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    Gary
    Texas
    Are you talking about just running straight pipes after your catalytic converters? Or are you talking about getting rid of one or more cats and leaving your existing exhaust?
     
  3. Jan 8, 2015 at 9:27 AM
    #3
    FunkinTundra

    FunkinTundra New Member

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    Cody
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    2012 Tundra 5.7 CM
    OME614 full suspension\ Ekstrom design 3" shackles and poly bushing kit\ 295/70r18 Toyo MTs/ +20 offset Fuel Anzas\ 8" BAmuffler....etc...
    If you are talking about removing everything including the muffler back, there has been a few guys that have done this... There is a guy on tundratalk that is lifted 12" with 40" tires and he seems to like it. His username is "Punch" if you wanna check out his posts. I would assume you would lose low end torque but I am far from an expert... I love my BAmuffler... :)
     
  4. Jan 8, 2015 at 5:31 PM
    #4
    csuviper

    csuviper Moderator Staff Member

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    Brian
    Broomfield, CO
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    2012 Rock Warrior 5.7L 4X4
    Some Mods :) See build thread for details
    I tried out the truck without the muffler and it was louder than with the BA Mufflers but didn't sound the best. Kinda sounded like it was farting. It was also very sluggish on the low end to get up to speed. Not recommended.

    https://vimeo.com/116305946
     
  5. Jan 9, 2015 at 10:02 PM
    #5
    Kwazziee

    Kwazziee New Member

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    2014 Tundra 4X4 SR5 CM 5.7L TRD Off Road, Bilstein 5100, CB 3+ Shackles, CB Shims, CB Carrier Drop Kit, Flowmaster American Thunder Catback, 5000K HID, Blacked Out Taillight/3rd Brake Light, 4 x 5 inch KC Driving Lights, NFab Front Bumper Light Bar, Fuel Crank 18x9, Toyo Open Country 295/70/18, Custom Audio System and JBA LT Header w/ JBA mid-pipes (in progress), NFAB W2W - 6 steps (next on to-do list)
    Our Tundra VVTi are very sensitive to mods so do lots of research before getting your hands dirty and waste time/money. Do some searching around on other forums, I think this has been talked about before. I have personal experience with cat/muffler delete first hand when I was lot younger. Not on a Tundie though. The result is negative because of back pressure problem. I don't recommend it at all. But if all you want is fun by all mean go for it. It will be LOUD and sound like a redneck truck. It's your truck do what you want.
     
  6. Apr 28, 2016 at 1:23 PM
    #6
    Seanson

    Seanson New Member

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    Anybody try just straight pipes after the cat ?
     
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