@MBMedic, you need to remove your emblems and start placing metal Batman symbols on it! Check eBay... There are some really nice ones... Dark Knight style!
Such as...
But many others to match your style... Or maybe @Slingshot Garage can make you a custom one!
That is exactly what I would like to do, but I haven't noticed anything near the size you are showing here. Everything I have seen has been no bigger than the 4" mark.