Managed to acquire another pic of an undercover police vehicle. Not sure if i've posted other pics of this one up here, if not i'll post them soonish maybe.
Anyways, this is a dead giveway, the radios and the buttons on the centre console is a dead giveaway! Also, the carpety piece you see is placed over the stock dash controls when the vehicle is in use. Usually by this stage you probably have seen the lights on the rear parcel shelf, in the centre of the front dash, the stock wheels and the aerial on the back, but usually too late.