Upgrade stages ranging up to 360 Hp for the 4.2 engine of Audi S6.

Stage 1 upgrade, is presented below.

Stock engine specs:
Capacity: 4172cc
bore x stroke: 84.5 x 93 (mm)
Compression ratio: 11:1

Power: 340hp
Torque: 420Nm

Stage 1:

Engine upgrades:

-Stage 1 Software upgrade

Engine performance:

Power: 360hp
Torque: 450Nm

Software upgrades:

Use of 95/100 octane fuel is mandatory.