For an even cleaner look for your Viper, consider a one piece design. It cost a bit less but will not fit in the trunk of the car. The top is fully finished with a headliner.
Dodge Viper One piece top: NON PAINTED includes quick sport bar retainers and headliner. $1895
Dodge Viper On piece top: PAINTED includes factory Viper color, base coat/clear coat wet sanded smooth and buffed to shine to replicate factory finish, quick sport bar retainers and headliner. $2195