Are you CAI's off ebay for $30 decent, i know the ones for that are for $40 for mustangs are just as good as densechargers in mild application.

 

i bought one, while not for a civic, and all i did was buy a K&N filter and put it on, and ive had NO problems with it...

 

they seem to be hit or miss. some people put them in and never have any problems at all and enjoy the small power gains, and the extra gas mileage. then others get them, and never manage to get them installed because they are designed wrong, and simply wont fit.

 

i bought one of the front mount cai's off ebay and love it. it's hidden behind my bumper so it can't be seen of course. but like sacs said, every once in a while someone gets a ****ty fitting one. i've had good luck with ebay so i would recommend. good luck!

 

just get an AEM.....its going to be on your car for a looooooong time........better off with AEM man.,