Commodore vy calais II performance

[Disruptin]

Hey guys ive recently purchase a stock as a rock vy calais v6 supercharged, and was wondering what mods would be most bang for my buck in gaining horsepower thanks

[Drawnnite]

take it to a motorsport workshop.
Stroke, Bore, Cam, Extractors, Exhaust
you should get a few horses outta that.

[Disruptin]

How much am i looking to do that? And also how much horse power will i rufley be gaining?

[Disruptin]

How much am i looking to do that? And also how much horse power will i rufley be gaining?