Where is the factory-installed subwoofer fitted? (facelift, CDC40)
Also, is it possible to retro-fit this? (parts list needed please!) The car has the 8-speaker system installed (main and tweeter in each door), with fairly beefy lower front door speakers - but there's a blank where there would normally be a separate slider for the sub-volume on the centre display.
Wife and three kids to ferry about - cannot afford boot space for a custom job.