Upgrade stages ranging from 146 to 155 Hp for the 1.9 TDI engine of  Audi A6.

Stage 1 and Stage 2 upgrades, are presented below.

Stock engine specs:
Capacity: 1896cc
bore x stroke: 79.5 × 95.5 (mm)
Compression ratio: 19:1
Turbocharger: Garrett GT17V

Power: 115hp
Torque: 310Nm

Stage 1:

Engine upgrades:

-Stage 1 Software upgrade

Engine performance:

Power: 146hp
Torque: 360Nm

Stage 2:

Engine upgrades:

-Free flow air intake system
-Full 63.5mm exhaust
-Stage 2 Software upgrade

Engine performance:

Power: 155hp
Torque: 370Nm

Software upgrades:

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