NPD truck pull/dyno event

[HD-tech-NH]

One of thier guys dropped off a flyer at our shop today. 5/18, 5/19 New Boston Fairgrounds New Boston NH. I just called they are looking for $75 for 3 pulls on the dyno. Any one know who they use for the dyno? Or what kind of dyno it is? Here's a link to the website:

http://northeastperformancediesel.com/index.php