will the back seats of a 99-00 civic si fit a 95 civic. I got the front ones and 3 out of 4 bolts fitted,was woundering if il have n e problems with the back ones.

Not to sound flippant; but, who knows? Something,like this, between model changes, is anybody’s guess. You may just have to make it fit.

Check out a website like Temple of VTEC. Its likely been done and may even be documented.

Here is the url that Andrew J is talking about: