^^^^ get the map done (Stage 1) but be aware that you may need, in the future, an uprated clutch.
If you do find the clutch starting to slip in higher gears while accelerating then return your car back to its stock settings and you'll be ok again until you decide if to go for a brand new OEM clutch and DMF or an uprated organic clutch. I have just had a quote of £1200 from JKM Performance for an Sachs Organic Clutch with a new DMF fitted.