depends on how they got it to 180
it
sounds like a quite different engine - which is good becuase it means that
potentially there is room for a remap to go further again
The
DPF - Diesel Particulate Filter - is bad news if you do a lot of town driving, as they can get gunked up - there are 2 or 3 threads about them in Bugs and Engines sections
Though it sounds like an excuse to give it a good thrasing every now and then to me