Yeah mate same as anything, any remapper should be able to do it.
Dont expect miracles though mate!!
it does feel faster but still slow , i had a 90 tdci and it feels similar to that now.
In my opinion when remapped, the van feels like a normal van.
Because when there standard 75 the're under powered.

When mapped will sit easy at 70/80 not screaming like before.
its defo worth the £120 it cost me.