I have a basically new AEM wideband system with the box, instructions ect. This was only used for a maybe 15-20 miles and idle time. Costs 300 new, will sell for 225 picked up near ohare. Looks like this, not a scratch on it. very easy to install only a few wires.
http://aempower.com/ViewCategory.aspx?CategoryID=67
http://aempower.com/ViewCategory.aspx?CategoryID=67