Our ECU Upgrade for the new RS3 and TTRS is here! Expect up to 542 HP and 500 FT-LBS with our Stage 1 ECU! Features such as E85 support and Full EMCS Program Switching are available today with multiple stages on the way. Lastly, we even offer a Limited Powertrain Warranty with our APR Plus ECU Upgrade. Learn more at goapr.io/25ecu