I just sold the Smarty and EGR delete I had on my 09 4500. Ran it on level 5 (90HP/180TQ) for 8 years. I absolutely could feel that power pulling our 21.2K Lb Mobile Suites. As much as I resisted, I had to have a little more power on my 2017. Couldn't get a response from MADS, so went elsewhere. Even though Stealth advertises its module doesn't work on C&CS, it works great on mine 385 HP 870TQ.
It's all good Brother, because here we are, proud Ram Cummins owners.
Cheers, Ron