This is a complete list with features that are currently in the Viper Mod.
Morphing
Dodge Viper RT/10 -> Viper Defender
Dodge Viper GTS -> Viper Defender
Viper Defender -> Off Road Defender
Viper Defender -> Hovercraft
Weapon Pods
Tunneler Missle
Static Pulse
.50 Calliber Machine Gun
Rear Pods
.50 Calliber Machine Gun
Auxillary Turbine
Misc. Features
Probe