Need Help with test pipe

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civic4door

Junior Member
I have a 95 civic sedan and i just ordered a test pipe. I've heard many things about a test pipe good and bad. First, I wasnt sure if i was suppose to get the test pipe with the bung for the 02 sensor or w/o. Which one should of i've got. Second, would a test pipe make my check engine light go one. If so, how would i stop it from going on. Third, is it true that your car stinks if u put a test pipe on? If anyone can help that would be great.
 
a pipe in the place of the cat.

it will smell a little bit.

it will make it sound raspy..

do you need one with a bung for the o2?

do you have 2 o2 sensors? or is yours in the exhaust manifold?

mine didn't throw a CEL
 
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