Upgrade stages from 165 to 175 Hp for the 2.0 engine found in Ford Fiesta ST. 

Stage 1 & Stage 2 upgrades, are presented below.

Stock engine specs:    

Capacity: 1999cc                           
bore x stroke: 87.5 x 83.1 (mm)
Compression ratio: 10.8:1

Power: 150hp
Torque: 190Nm

Stage 1: 

Engine upgrades:

-Stage 1 Software upgrade

Engine performance:

Power: 165hp
Torque: 205Nm

Stage 2:

Engine upgrades:

-Full 63.5mm exhaust 

-Air filter

-Stage 2 Software upgrade

Engine performance:

Power: 175hp
Torque: 212Nm

Software upgrades:

Use of 95/100 octane fuel is mandatory.