The tuning stages vary from 480 to 520 hp for the 2.5TFSI engine of Audi TTRS.

Stage 1 and Stage 2 upgrades, are presented below.

Stock engine specs:

Capacity: 2480cc
bore x stroke: 82.5 x 92.8 (mm)
Compression ratio: 10:1

Power: 400hp
Torque: 480Nm

Stage 1:

Engine upgrades:

-Stage 1 Software upgrade

Engine performance:

Full boost:
Constant pressure:
Pressure at revlimit:
Revlimit: 7000 rpm

Power: 480hp
Torque: 630Nm

Stage 2:

Engine upgrades:

-Free flow air intake system
-Full 80mm exhaust
-Stage 2 Software ECU upgrade & MPi enable

Engine performance:

Full boost:  
Constant pressure:
Pressure at revlimit:
Revlimit: 7000 rpm

Power: 520hp
Torque: 680Nm

Requirements:

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

Use of 98+ octane fuel is mandatory.

DSG Stage 2 Software