Appears aesthetically pleasing, but regrettably, it is against the law and will inevitably draw undesirable attention from law enforcement (Speaking based on personal encounters).
As previously mentioned, the maximum level of tint on the side windows will already be applied to the glass during the manufacturing process.
The back screen and sides of my C43 have a factory-installed limo tint, which seems to be embedded inside the glass rather being applied as a film. It is desirable that someone can absolutely affirm that.