Fascia might need to be modified depends on different vechicle models.
Fascia Internal Size(with trim ring): 173 mm (W) x 98 mm (H), Internal Size(without trim ring): 183 mm (W) x 104 mm (H)For Double Din Unit which the size is: 173mm (W) x 98mm (H), it fits perfect.
Double Din Universal System Link: https://www.ebay.com.au/itm/154109013761