boost pressure

[aledjones_lex]

ok dont know if this is in right place or not lol but i was wondering if i can put my boost pressure up i got a 1.9cdti 120bhp vectra c. if i can how do i do it wat does my car run at and wat is a safe pressure to go to thanks

[Ian S100]

Increasing the pressure in the fuel rail is how most bolt on tuning boxes increase power - you'd be better off getting a remap