Has anyone purchased one of these? They look very well constructed. Dry, not oiled. From some test I've seen, they flow the most and filter the best.
http://www.ft86club.com/forums/showthread.php?t=9177
http://www.mikekemper.com/elantra/filters/
http://www.ft86club.com/forums/showthread.php?t=9177
http://www.mikekemper.com/elantra/filters/