my car came with eclipse seats with home made adapter brackets holding them in. I redrilled my 87's seat tracks to hold some cheap ebay racing seats before too.
http://forums.stangnet.com/showthread.php?t=734500
haha
I guess if there aren't any Subaru, Impreza, or WRX logos on them, then it wouldn't kill me to see them in a Fox. If it looks good, it looks good. and its not like you are pulling them out of a Camaro.