Predator U7194, V9r14, 2007 Silverado 2500HD

I put the Diablo Tune on my truck last night and forgot to modify for oversize tires. Do I need to restore factory tune first then install modified Diablo tune, or is there a way to simply mod exisiting tune?

Thanks

I just installed the 87 Octane tune on my 07 2500HD 6.0 liter six-pack. I got the Predator in the mail today and took off from work 4 hours early to get'r done. I am so stoked. The install was a breeze. So simple. I have true duals with Super 44's, a K&N CAI, and now it feels effortless to push this ...

I just purchased a Predator (in the mail) U7194 for my 2007 Silverado 2500hd 6.0L. I also recently installed dual flowmaster super 44's and a new K&N CAI. Does a custom tune allow me to introduce these specific mods to come up with a unique tune? In my limited research I came across someone who made ...