03 ram 5.7, I have a diablosport programmer,would like to know best tune to put in???

 

You might find the info you are looking for here
https://dodgeforum.com/forum/3rd-gen...d-reviews.html
BTW Welcome to DF!

 

I really can't help, but I'm sure others will chime in. I just wanted to let you know that if you look above where this thread is, there is a sticky all about the diablo sport programmer and there should be tons of information to help you decide.

Welcome by the way.