Can you delete a resonator and add a new muffler to a car?

I have a 2013 Civic SI and was just wondering if it’s possible to remove the resonator and install this new muffler I purchased. Thanks in advance.

6 Answers

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  • Anonymous
    1 month ago

    2013 is not a resonator.  It is a Cat.  Removing the  CAT is illegal.

    A 2013 has a Catalytic Converter which is an expensive puppy and gets you "Passed" when they do emission testing.  Without the cat you fail and the car can NOT BE DRIVEN.

    .  Do get a clue.  A cat is about $1000 alone. Any garage or muffler shop could have told you that.  You got a Cat and a Muff.

    See if you can get you money back on the muffler you did not use.

    Auto mechanic 40+ years.

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  • Anonymous
    1 month ago

    Your car already has a muffler.  The resonator is just another piece to alter the sound.  Put a new resonator if you do not like the sound or just remove it.

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  • 1 month ago

    Yes but your car will run all f1cked up. 

    Source(s): 79
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  • Pearl
    Lv 7
    1 month ago

    i would talk to a mechanic about it

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  • Rick
    Lv 6
    1 month ago

    ALL a resonator does is change the SOUND of the engine, NOTHING else.

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  • Pete L
    Lv 5
    1 month ago

    You can fit a non standard system to your existing engine but whether it fits and helps the engine or stifles it is anyone's guess.

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