*sigh* have fun reversing at night.
Seriously, I can never understand why people want to put a knowingly illegal product on your car just to have "heaps dark" windowz. May as well cut your springs as well, it'll get you heaps lowz too, and it's about as legal too.
I had DOT30 on my Lancer, and it was dark enough. Even in direct sunlight. And it was on a white body too. Here:
Without tint (2 hours and 83km old, actually)
With tint
FYI it was Tint-A-Car Ash Cool.