Yes, a thin bumper would look nice, a bit like this.

I can see a resemblance with Adams car there.
Unfortunately you'd risk a lot more damage to yourself and the car if you ever had an accident, and on the rear, it would probably be someone else fault, not yours
EDIT: Just noticed, that looks like a Renault 5 sneaked in the back, I knew there was a 340 link in that image
