My Camaro has 5% throughout----limo tint. I drive side by side next to cops all the time. Seems like every truck out here has limo tint. Most police cars have very dark tint as well. It seems even though 35% is considered legal for the front, it is not really enforced because it is so damned hot! You could still feel your arm burning even with dark tint. I already felt a difference with the AC not working as hard to keep me cool.
The pics make them look darker but 20% is not dark at all when you are in AZ.
i got mine (as the sig. says) 15% rears and 55% fronts. in michigan in the back anything is legal. the front sides are suposed to be only the top 4" but like everywhere else i see lots of vehicles (esp. SUVs) running around with full tints. the guy at the tint shop looked at the goat and said there's really no tint on them stock. cops are mainly interested if they can see in the car so the 55%, especially in contrast with the 15% backs, don't really look that tinted.
I have no idea what this reasoning is about "cops need to see what is in the car".
The last time I got pulled over was almost 5 years ago. The first thing I do is to power down both windows and puth my hands on both steering wheels. So even if the windows are coated with molasses and sprinkled with chicken feathers, it really doesn't matter at that point.
They are pretty lax in AZ. Come drive in 115 degree heat in the middle of JUly and you will know what I mean. The tinting shops are booked out the ying yang. It took me 2.5 weeks to get an appointment.