Ok but think of it this way then, do you turn around to see tyre smoke when you do burn out in a real car? no you see it in the side and review mirror.When you look back to see these effects you change your view, while wanting them in your rear-view or wing mirrors you are rendering an additional scene - ie What is behind you while also continuing with your forward view.
It would be a silly waste of processing power when other issues are far more important.
ps3 couldn't handle it.
That is of course true but reality is not limited by 8 year old technology. It would certainly be nice to have but general performance will always take priority over these almost superfluous details.Ok but think of it this way then, do you turn around to see tyre smoke when you do burn out in a real car? no you see it in the side and review mirror.