I take no Credit for designs in which i did not have any part in creating.

the Tie Interceptor wing was created by Edward Southerland.  below should be link info to his wing design.
the tie body is that of the tie fighter set No# 7146   or close to it

Tie Interceptor Wing link
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=37107