Audi 4.0T APR Stage 1 tune (c7.5 s6/s7)
The APR Stage I 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!