Not sure which 2012 Dodge Ram Performance Monitors are right for you? We have over 11133 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. James A from Caldwell, TX said, "Excellent Quality. Displays exhaust temps from 3 different points in the exhaust stream on new rams. Provides the info you need to monitor the particulate filter for those that idle or temps for those who run at 100%. Only con is power on gets confused with remote start."