What kind of body kit did you have in mind? The 93-95 coupe has quite a few to choose from.
If I had to do it again, I guess I'd go for the Bomex kit.
The front is universal for either the coupe or hatch but there is a difference between the side skirts and the rear bumper.
Though a lot of folks might think that this is a little much, I think it's unique as there is not a lot of civics [coupes] that has the bomex kit.
For a much cleaner, simpler look, you could opt for the Wings West RS kit. This is just a front chin spoiler added on to your existing front bumper (ditto to the rear) and simple side skirt replacement.
This tends to be a more popular choice as it is cheaper, easier to install and paint.