It was suggested to me early today that one way to shave some weight off my S2000 is by replacing the factory bumper rebar with CF rebar. I've done some searching on the Internet, and have yet to find any available products.

Is anybody aware of such product?

 

Can anyone confirm whether or not the front/rear bumper beams add to the overall chassis integrity? If these two bars are removed, do you need to be concerned with chassis flex/twist?

 

I'd be more concerned about the results of crashing the car without the rebars, rather then chassis flex/twist. It would be kind of pointless to have CF rebars because they would just crumple like paper in an accident, Just remove them and put your bumper back on(free mod!). As for structural chassis/flex I have no clue, but i think strut tower bars have more an effect on the car then the rebars.

-stephen