330 would be pushing it too I'd say. Without going a new turbo or E85 you'd be aiming for around 300, with anything over a bonus, depending on the mods you get, your engine and your tuner. The $2.5k mentioned above would get you power (maybe not to the 300) The $5.5k would get you safer, more stable power (closer to or above the 300) edit: going cheaper the 1st round ends up costing more in the long run as you replace things you fitted the 1st time and need to get a retune every time you make a change - do it once, do it right