I have a Dashdaq XL from Drew Technologies with SD card and tunes up to 350 for sale for 08-10 6.4. Truck was returned back to stock before the tuner was removed. $800 obo to your door.
Yes you will need to get a license from Spartan to use it on a different truck. I bought it for a truck I was suppose to be buying, but didn't. Found a good deal on it and couldn't pass it up. I will work on price with you. Make me an offer.