It's not metal, these cars are meant to go fast and not weigh 2 tons... how the fuck do you guys think they make cars that big weigh 3100lbs? Again, if you have the coin for an 08 Z06 and choose to do shit like that to it, well then you can afford to fix what you fuck up in the process.
Also, it is true, you press in on the back "bumper" and it will go in like there is nothing behind it, because theres not