logos and lettering on cars

I think most are vinyl. You can go to a sign shop and get stuff printed on 3M vinyl. I had racing stripes on one of my cars a long time ago, they were vinyl stripes. The are supposed to be safe for your paint up to a few years. I put a good coat of wax on before putting them on, they came off with no paint problems about 6 months later.

 

The Players Run logos are pre printed on vinyl.....

I change the graphics on my cars all the time. A heat gun takes them off fine.
Sometimes the razor trimming can leave little scratch..........