Upgrade stages ranging from 310 to 330 Hp for the 2.0TFSi engine of Audi S4.

Stage 1 and Stage 2 upgrades, are presented below.

Stock engine specs:
Capacity: 2671cc
bore x stroke: 81 x 86.4 (mm)
Compression ratio: 9.3:1
Turbocharger: K03
Revlimit: 6500 rpm

Power: 265hp
Torque: 400Nm

Stage 1:

Engine upgrades:

-Stage 1 Software upgrade

Engine performance:

Power: 310hp
Torque: 480Nm

Stage 2:

Engine upgrades:

-Free flow air intake system
-Full 70mm exhaust with free flow catalytic converter
-Stage 2 Software upgrade

Engine performance:

Power: 330hp
Torque: 510Nm

Software upgrades:

Multimap Switching feature (only for models produced after 2001) :

map 1 - low power or stock power
map 2 - 95oct
map 3 - 100oct
map 4 - 100oct + watermethanol

* userSetable Antilag-Launch Control enabled

* Flatshift enabled

* EPC Shiftlight enabled

* Knock warning enabled (only for WaterMethanol setups)

Boost control is achieved using the OEM ECU and N75 valve.

Use of 95/100 octane fuel is mandatory.