I tinted mine with store bought 35% tint. But after driving around, especialy at night, I found it very hard to see out of the back. So I removed it the next day. I think I will wait until I buy a hard top, and then have that rear window tinted. I've used that spray on tint before on another car. I used it on a sun-roof, but it just looked like it was textured/frosted black after it dried. I wasn't to crazy about the way it looked when was done.