Hi everyone! No sites in Australia cover the mighty VR6 so here I am. I am looking at increasing the air flow without going to an awful lot of trouble or expense. The stock filter is now replaced with a K&N panel filter. There was also an article I read on modifying the box. It was very easy - remove the box from engine bay, use a screwdriver to remove the plastic cone from the upper half of the box, return box to engine bay. Undoubtedly made a difference - very smooth, responsive acceleration from 2000 rpm upwards (previously didn't kick until about 3000 rpm). I am now looking to self-ins