Here's one from the DTE Systems page which overlays the performance gains from using one of their boxes, so it has the before/after
http://www.chiptuning.com/fileadmin/php-scripts/new-configurator/diagram.php?did=85855
cheers !If it helps, I'm planning on taking mine on a rolling road in the near future - with the tuning box from DTUK fitted, and hopefully a run without to compare. Would that data be of any use to you?