Feel's Aero Parts

 Grill 31,500Y

 Front Lip 42,000Y or 73,500Y in CF

 Rear Skirt 52,500Y or 63,000Y in CF

Rear Wing 69,300Y

Source:

http://www.civinfo.com/forum/type-r/47085-feels-release-prices-fn2-parts.html
(Thanks to the original poster)