My tint registers as 27, and it's not dark enough for me. I'd say put on 20% tint ,it'll register around 17, and I think you'd be plenty happy with it.
"I'm not driving too fast...just flying too low"
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
90 7up vert - new project-07 DSG Focus -DD