APR ECU Upgrade for the Audi RS6/RS7 4.0 TFSI V8

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APR’s ECU Upgrades are the best dollar-per-horsepower modification one can make to the 4.0T engine. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible through APR’s optimization of the factory engine management system to take full advantage of the engine’s capabilities, without needing any end user adjustment. The software loads to the factory ECU through the OBD-II port, resulting in a clean and headache-free install. Furthermore, for those looking for tuning with a limited powertrain warranty, APR Plus has you covered!


  • $2999.99
Qty:  
  • SKU
    APR-ECU-RS7

APR Stage I ECU Upgrade

The APR Stage I ECU Upgrade requires no hardware modifications and is available with 645-728 HP and 656-744 FT-LBS of torque, depending on octane. Gains as high at +90-162 HP and +134-223 FT-LBS of torque are available throughout the power band!



APR Stage II ECU Upgrade

The APR Stage II ECU Upgrade requires a high flow Race DP exhaust system and is available with 679-761 HP and 703-793 FT-LBS torque, depending on octane. Gains as high as +122-203 HP and +181-273 FT-LBS of torque are available throughout the power band! This software must be used with a high flow Race DP exhaust system.









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