Audi RS5 ECU Flash with Mygenius OBDII Tool and Review VRTuned.com March 10, 2017 Product Info The Audi RS5 ECU Flash is a great product to help the 4.2L V8 wake up over stock. As one of the cars that help change the look of the Audi fleet, its sexy 2 door coupe style is one that most gear heads want...