put new catalytic converter on 1999 honda civic now do i put a new muffler


Asked by Aug 25, 2014 at 08:03 PM about the 1999 Honda Civic EX

Question type: Maintenance & Repair

6 Answers


If the old one is not burn,t out,and is not loud,then my answer would be no,but if it is loud and burn,t out then yes.


it raddles a little and it still use a lot of gas I had injectors cleaned


If it rattels then it is burnt, yes replace it,and on the gas issue did you replace the o2,sensors?


ok they used old o2 sensor is that the one in my catalytic converter ,if so I will replace it and muffler .thank you your a big help this car has to last me along timei will be in touch with yous and I will tell my family and friends about this thant you

1 out of 1 people think this is helpful.

You are welcome.


ok so I told u I put a new catalylic converter on .in feb 2014 ,and I ask u if I should get a new muffler so I went to get it turns out I needed a new catalylic converter again after 7 months all the cones were in half my muffler pipe can u tell me what u think of this .mary

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