Smooth and slam it on huge polished rims with 40 series tyres and do a monster ICE install in the back. Just think of the room for subs and amps...
White leather interior and dash in the front half, black the rear window, fresh Glacier white paintwork maybe with some subtle, faint airbrush touches. White dials from a seat gti.
And a swing down dual-sided flatscreen monitor that fills the open boot recess wi the tailgate up and faces out and in at the same time for playing vids at custom shows...
(well you did ask)