Designed for race only applications on the '08-'10 Viper, the Stage I Engine Controller has modified spark and fuel tables which function with power adders like headers, catback exhaust, aftermarket cams and cold air intake systems.

This device is not legal for use on pollution controlled vehicles certified for use on street or highways. Once the device is installed and programmed, use of the vehicle on a street or highway is a violation of the Clean Air Act.