Have heard good things about the K40, but I've just run V1s for years. There is interesting discussion on the Valentine site somewhere about why Mike didnt design it as a modular system to install in the car, and I've always wished he would put some research into that, as to me its quite clear that a system with sensors at both ends of the car, outside the glass would be superior. The question to me is just does K40 really do it right.
Patrick
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