NHTSA lists 3 safety recalls covering the 1999 Dodge Viper. Open recalls don't stop you from selling or junking the car, but check your VIN at nhtsa.gov/recalls to see which apply to yours.
SuspensionOct 2001 · NHTSA campaign 01V312000
Vehicle description: passenger vehicles used extensively in track type racing events and subjected to aggressive driving conditions could experience cracks at the welds of the rear differential mounting bracket.
Risk: The cracks could eventually lead to metal fatigue and dislodging of the differential mounting bracket from the frame of the vehicle. Separation of the differential mounting bracket could result in loss of vehicle control.
SteeringOct 2001 · NHTSA campaign 01V313000
Vehicle description: passenger vehicles used extensively in track type racing events and subjected to aggressive driving conditions could experiencecracking of the steering rack mounting brackets.
Risk: The cracks could eventually lead to separation of the steering rack from the frame of the vehicle. Separation of the steering rack could result in unexpected steering looseness and lag.
Seat BeltsApr 2001 · NHTSA campaign 01V120000
Vehicle description: passenger vehicles equipped with racing option (acr or gt2). The 5-point racing seat belt harness, which is optional equipment on the Viper may not meet the voluntary load specifications set forth by the fia (federation internationale de l'automobile).
Risk: In the event of a crash, the harness may not properly restrain an occupant, increasing the risk of personal injury.