I'm a impreza man mate don't know much about forester
Tho most the bits are interchangable
Exhaust eith decat or sports cat , fuel pump , panel filter , plugs , 3 port boost solenoid , ecutek remap should get change from 1000
Td04 turbo will hit 280 bhp think that's what they have as standard
Td05 16g will hit 330 ish