I was wondering if it was at all possible to turn a automatic transmision car into a manual tranny, and how much would this cost?

97 Champagne Contour
Blaupunkt HU
Blaupunkt 12's
JBL 600.1
Custom Small Enclosed Box
Future Mods:
SVT Kit (front, rear, sides)
Blackouts (front and back)
Limo Tint
ReXXX 15's
JBL 1200.1