I have an SCT X4 that I used for my 2006 6.0L, I recently bought a 2015 6.7L and I was hoping on using my tuner for the new truck. The box says "1996- up", so that means that the tunes that originally came on my SCT will work with my 6.7L? If so, I should just get the factory stock file from my 2015 and call it good? I'll be getting some custom tunes later. I was just wondering. Any help would be greatly appreciated!!