Hello, i own a Honda Civic -97 coupe and i have found the wing i want for my car, or so i think, i have found the look of it but i don't know witch size im gonna take couse i dont kow what fits my car so help me out!

Supra style wings section
http://www.erebunicorp.com/univstyle.htm

Witch "Wing No". would fit my car the best you think?