Tell tell signs my ECM is unlocked with a HPT Read?? '16 Challenger

I bought a 16 challenger rt years ago, and there were some things done to it that the original owner did that tipped me off that maybe even the ecm was tuned.. things like cai, active exhaust removed, exhaust work, etc.. through the years i started realizing the car pings a lot with 89 octane.. with 93 its sounds and performs normal and crisp. So ive always wondered if the ecm was unlocked and tuned this whole time..

Fast forward to now, ive bought the mpvi3, credits for another vehicle, and have been playing around and familiarizing myself with hpt on a gmc.. today i did a read on the challenger ecm and tcm and have a base read. I havent bought credits yet, but before i do i'd like to know if my read/ecm firmware has been tuned or tweaked which would indicate I can write to the ecm and it really is unlocked thus saving me some money..

does anyone have any advice on what to look for in this read if the car has been tuned for 93? or anything else for that matter?
I did a quick compare file of challengers from the repository but i really dont know what to look for.
Any help is appreciated

open both yer read and a stock file > compare > view comparison log

yep, i did that but the repository only has 15 chall 5.7 auto, and a '17 5.7 auto. I compared both and theres def differences between mine and the two, I can see with the comparison and different colored buttons.
So i'm not sure if these repository base reads are what i should be comparing.. I'll take another look comparison, what identifiers should i be looking at? Stoich, spark and fuel?
I could change something or just attempt a write of my base read, but dont want to buy credits until i know or have the ecm unlocked, thats kinda what my goal is right now

One of the main things you should be looking for in comparison is the DTC list. If it has codes turned off that are normally on, that's a dead giveaway.

active exhaust is gone

if there are no resistors under the car and there is no light on the dash someone went into the pcm