I think it's a good idea and would like to see what the rest of the MK2 owners have done with their cars. Knowing the rest of the MK5 lot it will start out well but go off topic very very quickly
But for the purest engine experience, displacement has no replacement. All other methods are simply attempts to artificially recreate the benefits of displacement.
MK5 CALENDER!HOW BORING JUST GO GET A BROCHURE