November 8th, 2017
The APR Stage 2 ECU Upgrade is now available for the early 2013/2014 Audi S3 models with the Simos 12 ECU.
ECU Box Codes:
The APR Stage II ECU Upgrade is the next step towards making more power! This upgrade requires a high flow downpipe exhaust system, and produces 372-387 HP with 367-409 FT-LBS of torque. Gains as high as 86-104 HP and 82-125 FT-LBS of torque are available throughout the power band.
The upgrade is offered in high, medium and low torque versions, and is available for …