You can request for a Tuning Calibration for your Audi A6 C7 - 2011 - 2018 S6 4.0 TFSI 450hp vehicle on our file service site.
These Tuning Calibrations always made in real time suited to your needs and cars maximum ability.
All our Tuning files are made with maximum precision and care to be efficient.
In this particular case, we can increase the power of your engine from 450 HP to 540 HP, 550 Torque to 800 Torque within a Stage1 Calibration package.
Torque Difference
+250 NM