As far as I know, that was the last year they made T-tops a factory option.
I don't know how many were made, but since it was probably the only year of the "cat-eye" models to have T-tops, I would think it was pretty rare. Of course not like a Shelby or anything, but rare enough I suppose...
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Elisha (Mustangbelle)
1994 GT: Cartech intake,4.10s, full exhaust, and pulleys.
Sold the 1986 LX sedan
http://www.geocities.com/mustangbelle_306
AOL name: GT306Chick