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APR 4.0 TFSI V8 ECU Stage 1 Upgrade - C7.5 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!

All APR Software upgrades are only available at our Joplin, Missouri retail location. In order to receive an APR software upgrade, please click here to schedule an appointment. You may either add this item to your cart and purchase online, or may also pay in store. 


 Vehicle Engine Transmission
Audi S6 C7.5 4.0 TFSI All
Audi S7 C7.5 4.0 TFSI All