Does it fit on a 2005 civic ex special edition?
Yes, It fits the 2005 Honda Civic EX Special Edition 1.7L.
Does it have an oxygen sensor port? How many?
Yes. It has 1 oxygen sensor port.
Does this part come with all the nuts, bolts, gaskets and material necessary for installation?
Hi,The package included:1 * Catalytic converter;1 *gaskets;1*Circle.Just Like the Picture Show.
Will this pass smog in california and fit my 2005 Honda Civic ex 1.7 special edition
sorry,it don't pass smog in california
Hello is the cat fit 2001 Honda civic ex?
yes, it fit the 2001 Honda civic ex 1.7L.