APR TCU UPGRADE - 7 SPEED DSG AND S TRONIC (DQ381)

Optimize the driving experience with our performance tuning software for your vehicle's Transmission Control Unit (TCU). APR's TCU Upgrade dramatically improves upon the transmission's function, drivability, and performance through a myriad of...

APR ECU UPGRADE - 2.0T EA888 GEN 3B (TRANSVERSE)

Unlock hidden horsepower and torque with our performance tuning software for your vehicle's Engine Control Unit (ECU). APR's ECU Upgrades are the best dollar-per-horsepower modification one can make to improve engine performance. The upgrades...

APR ECU UPGRADE - 3.8T TURBO S (991.2)

APR's ECU Upgrades are the best dollar-per-horsepower modification one can make to improve engine performance. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible...

APR ECU UPGRADE - 3.0T S (991.2)

APR's ECU Upgrades are the best dollar-per-horsepower modification one can make to improve engine performance. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible...

APR ECU UPGRADE - 3.0T (991.2)

APR's ECU Upgrades are the best dollar-per-horsepower modification one can make to improve engine performance. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible...

APR ECU UPGRADE - 2.9T EA839 MHEV V6 (C8)

APR's ECU Upgrades are the best dollar-per-horsepower modification one can make to improve engine performance. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible...

APR ECU Upgrade - 2.9T EA839 V6 (RS5 B9)

APR's ECU Upgrades are the best dollar-per-horsepower modification one can make to improve engine performance. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible...

APR ECU Upgrade - 3.0T EA837 V6 (SIMOS 8.5)

The APR Stage 1 ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications, and produces 433-465 HP with 364-385 FT-LBS of torque. Gains as high as 106-133 HP and 86-107 FT-LBS of torque are...

APR 2.0T FSI / TFSI EA113 ECU Stage 1 Upgrade

APR's ECU Upgrades are available in multiple stages, supporting various octanes both with or without any hardware modifications. Specific software is available for use with high flow Race DP exhaust system, high pressure fuel pump and/or runner flap...

APR 4.0 TFSI V8 ECU Stage 1 Upgrade - C7 S6/S7

The APR Stage 1 ECU Upgrade requires no hardware modifications and is available with 555-597 HP and 609-668 FT-LBS of torque, depending on octane. Gains as high at +144-186 HP and +178-243 FT-LBS of torque are available throughout the power band! PRODUCT...

APR 2.0 TSI/TFSI Gen3 ECU Stage 1 Upgrade (MQB Platform) IS20

The APR Stage 1 ECU upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications and produces 290-337 HP with 320-375 FT-LBS of torque. Gains as high as 60-115 HP and 51-103 FT-LBS of torque are...

APR 2.7T ECU Stage 1 Upgrade - A6/Allroad

APR is pleased to present the ultimate engine control unit (ECU) upgrade for the 2.7T. APR’s ECU upgrade is available in octane-specific variations and is conveniently flashed to the vehicle’s factory ECU through the OBD-II port without any physical...