GIAC Software is now available for all 2013+ MY Audi S6/S7 4.0T models!
New GIAC Software:

GIAC software calibrations for the 2013+ Audi S6 equipped with a 4.0L biturbo V8 are now available! Our 4.0T ECU software is calibrated to offer dramatic improvements over the factory tune, with a complete ECU recalibration created to work in conjunction with our optional S-Tronic performance software. GIAC is proud to be the first software calibrator with a complete ECU & transmission performance recalibration.

Dramatic power gain, adding 77 horsepower and 123 ft. /lbs. of torque at the wheels over the OEM software calibration on 91 octane fuel. Using 100 octane fuel and GIAC’s Race mode adds a peak to peak net gain of 103 horsepower and 141 ft. /lbs. of torque at the wheels over OEM.

MSRP for this engine calibration, switching options and handheld switcher is $1500.00.
GIAC is also proud to announce the release of performance DSG transmission software for the 2013+ C7 S6/S7 models. This GIAC exclusive software includes both U.S. and international models. This software complements GIAC performance engine software and is installed in minutes using regular GIAC flashing tools through the OBDII port. Installation of the GIAC product does not require removal of the DSG computer from the car. This quick upgrade supports higher torque levels, faster shift speeds and higher limiters in your DSGs mechatronic to ensure you get the most from your S6 or S7.

GIAC S-Tronic software features:

•    Shift points raised +200 RPM in drive, sport and manual modes

•    Torque control optimization for faster, smoother shifting

•    Clutch pack clamping pressure increase to support higher torque levels

•    Launch control raised +200 RPM, with full torque on launch

•    Torque requests and limits raised

•    Part throttle torque control recalibrated for a more responsive feel

Like our other DSG software, GIAC S-Tronic performance DSG software for 2013+ S6/S7 models is currently available for customers who have the corresponding GIAC engine calibration. GIAC engine software is updated with the proper modifications for use with GIAC’s DSG performance software. The GIAC engine and transmission calibrations for the C7 have been designed to work in concert to provide the ideal 4.0T driving experience. GIAC is proud to offer the most complete and potent performance option for the C7 S6/S7. MSRP for S-Tronic performance software is $700.00 and is available at all GIAC dealers. The software is flashed in minutes through the OBD2 port.

Current part numbers available:

2013:
ECU: 4G0906014B (Versions 0002, 0004, 0006)
TCU: 4G1927156S (Versions 0007, 0009)

2014:
ECU: 4G0906014E (Version 0002)
TCU: 4G9927156C (Version 0002)

Read more about the new S6 and S7 software in the these Threads!
Audizine
Quattroworld S6
Quattroworld S7
6speedonline

Dyno Plot
Dynamometer test results from an MD-500 Mustang dyno.