Performance Stage 2 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).

Features:

• Gains over stock: +118HP / +179TQ (93 Octane Fuel)
• Engineered with Strict Industry Standards
• Extensively Tested Under Various Driving Conditions
• Factory Safety Limiters Retained
• Greatest Power and Torque Gains in the Industry, Guaranteed!
• 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
• PatchesDTC/Code for no exhaust flaps
• Includes all Stage 2 tune variants and all lower software stages as well
• Hardware Requirements: Downpipe

What's Included:

• Unitronic Stage 2 ECU Tune
• Unitronic UniCONNECT+ Cable (OPTIONAL)