If you make one for your own car great, the only person to be held liable is you, if you make one for some else's the only person that can be held liable, well, is still you. It has been asked if this is race only piece, but not answered. Several other questions have been asked about construction have not been answered as well. I believe I asked and (others as well) legitimate questions that anyone thinking about one of these, or any other unit would ask.

We're all A$$holes when it comes to money, if you want to be part of a consumer test bed have at it