[rolnslo]

Originally Posted by Van

So then what's the darkest tint we can use now on the sides / quarters / rear ?

Here's a good reference to use: http://www.txdps.state.tx.us/vi/Misc/faq/tint.htm

There are actually two sets of rules you need to be aware of in Texas. First is the actual law and the second is what is checked during the annual inspection. Both are covered in the link above.