Upgrade stage up to 107 Hp for the 1.3 Multijet engine found in Fiat Stilo. 

Stage 1 upgrade, is presented below.

Stock engine specs:    

Capacity: 1248cc                           
bore x stroke: 69.6 x 82 (mm)
Compression ratio: 16.8:1
Turbocharger: KP35

Full boost: 1.45bar@1750 rpm
Constant pressure:1.3bar
Pressure at revlimit:1.05bar
Revlimit: 5000 rpm

Power: 95hp
Torque: 200Nm

Stage 1: 

Engine upgrades:

-Stage 1 Software upgrade

Engine performance:

Full boost: 1.6bar@1750 rpm 
Constant pressure:1.5bar 
Pressure at revlimit:1.35bar 
Revlimit: 5000 rpm

Power: 106.5hp
Torque: 253.5Nm

Dyno:
 

 

Stage 1 - DPF OFF:

Engine upgrades:

-DPF Filter remove
-Stage 1 & DPF Removal Software upgrade

Engine performance:

Power: 114hp
Torque: 263Nm

Software upgrades:

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