Performance Stage 1+ ECU Software Precisely Engineered for your C7 S7 with the 4.0T V8 engine. This vehicle has added support through UniCONNECT+ which allows you to program your own vehicle right in your own garage.
Unitronic software is flashed directly through the (OBDII) diagnostic port of your vehicle (10-15 minutes).
- Gains over stock: +109HP / +151TQ (93 Octane Fuel)
- Engineered with Strict Industry Standards
- Extensively Tested Under Various Driving Conditions
- Factory Safety Limiters Retained
- Optimized Responsiveness and Drivability
- Optimized Smoothness and Driving Comfort
- Power Delivery Perfectly Optimized Throughout the Power Band
- Improved Fuel Efficiency
- Ignition Timing Precisely Calibrated for Higher Octane Fuel
- Includes all Stage 1+ tune variants and all lower software stages as well
- Hardware Requirements: None
- Unitronic Stage 1+ ECU Tune
- Unitronic UniCONNECT+ Cable (OPTIONAL)