i want to get a magniflow exhaust but there are so many of them that i think match what i need

i need it to pass inspection or else i have no car
i need you help
any llinks part #'s anything you can give me that you know are right would be
like i looked on ebay and found this:
http://cgi.ebay.com/ebaymotors...ZWD1V
or this
http://cgi.ebay.com/ebaymotors...ZWD1V

i dont even know what i need which is sad please help a noob out

again i have a 97 civic cx with a b16a2 from a 99 si in y car with a aftermarket prospecs exhaust

 

any 96-00 civic EX cat will fit

 

how does the ex differ from the cx
and what about the links are thoes any good?

 

doesn't matter anymore you have a B16, you need the EX cat, both of those links is the cat you need