Upgrade stages from 195 to 228 Hp for the Multiair engine found in Abarth 595. 

Stage 1 and stage 2 upgrades, are presented below.

Stock engine specs:    

Capacity: 1368cc                           
bore x stroke: 72 x 84 (mm)
Compression ratio: 9.8:1
Turbocharger: Garrett GT1446

Full boost: 1.5bar@2500 rpm
Constant pressure:1.1bar
Pressure at revlimit:0.7bar
Revlimit: 6500 rpm

Power: 160hp
Torque: 250Nm

Stage 1: 

Engine upgrades:

-Stage 1 Software upgrade

Engine performance:

Full boost: 1.6bar@2500 rpm 
Constant pressure:1.3bar 
Pressure at revlimit:1.1bar 
Revlimit: 6800 rpm

Power: 195hp
Torque: 280Nm

Stage 2:

Engine upgrades:

-Full 63.5mm exhaust 
-Air filter
-Stage 2 Software upgrade

Engine performance:

Full boost: 1.6bar@2500 rpm 
Constant pressure:1.45bar 
Pressure at revlimit:1.15bar 
Revlimit: 6800 rpm

Power: 215hp
Torque: 290Nm

Dyno: 
 

Stage 2+:

Engine upgrades:

-Full 63.5mm exhaust 
-Air filter
-Bigger Intercooler

-Stage 2+ Software upgrade

Engine performance:
Full Boost: 1.75bar@2500 rpm 
Constant Pressure:1.6bar 
Pressure at Revlimit:1.25bar
Revlimit: 6800 rpm

Power: 228hp
Torque: 329Nm

Dyno: 

Software upgrades:

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

Use of 95/100 octane fuel is mandatory.