Stickers on rear windows....yes but stickers on paint...negative.
On the Jeep I have 3 small ones...
1. USMC
2. A sportbike sticker like this...
3. and a small version of this sticker...to be pronounced phonetically of course
On the Vette I have one small decal on the rear window that says...
More Performance Inc. since they did some performance work on the car.
On the SRT I have a small sportbike decal like the one above and one that reads...
www.Z06Vette.com