Just wondered what advantages or disadvantages I would get from fitting one to my s2?

 

You will get more boost, BUT the fueling needs to be matched to the increase in boost.
Once this is done don't be tempted to give it that little bit more boost as thats when things go wrong. (imo of course)

If you do fit one you want a decent lockable bleed valve.

I have one fitted but it will be removed once I get around to sorting the boost control on my ecu.

 

more boost = more power = more fuel = problems i.e. premature wear turbo wear etc

 

You forgot more fun

 

Probably won't bother then as it's already been set up a couple of months ago and don't want to shell out again for the same.

 

it'll need shelling out again anyway if its mfi, so much as fix or get an oil leak or air leak, even a pissy sump leak and it will send the mfi co out

and a cvh that doesn't have an air or oil leak is like finding life in space = none existent