Dodge Viper 2008-2010 8.4 Liter V10. This application fits Dodge Viper SRT-10 models. Free overnight shipping of the ECU back to you included for our USA customers. You must remove the ECU and ship to us or if your in the New Philadelphia, Ohio area, call us at (614)729-8863 to schedule an appointment. Gains are +20 horsepower and +18 torque. You will love how your Dodge Viper drives with this ECU Tune.