Compression Ignition Addict
Join Date: Sep 2012
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I can't tell exactly what that box is from, but it looks exactly like my Mini Maxx box. I think Bully Dog uses the same hardware though, so it could be one of those too.
A new tuner will overwrite the existing tune, so as long as you get something decent you'll be fine. And yeah, the tuner display is probably no good to whoever has it, since the tune is still on your truck.
I really like my Mini Maxx, and a lot of people recommend it, but the old off road version is kinda expensive. A lot of people like Spartan too.
Enjoy your 6.4, I love mine. Keep up on the maintenance though. Change your fluids and filters regularly. Keep a close eye on your coolant. Keep your water separator drained. Watch for any issues with anything and fix them immediately. These trucks aren't at all forgiving to lack of maintenance.