Audi S6 C5 - 1999 - 2004 4.2 V8 340hp ECU Remapping
A professional ECU remap can optimise the way your Audi S6 delivers power and torque, helping the vehicle feel stronger, smoother and more responsive in everyday driving.
The expected Stage 1 figures for this vehicle show an increase from 340 BHP to 360 BHP, with torque improving from 420 Nm to 450 Nm.