I understand not wanting to void your warranty if Whipple forbids it.
Not sure what you mean by “those” and “they don’t work”, but good octane booster added in the correct amount to increase your octane from X to Y definitely does work. It only increases octane so the fuel can be compressed...
There is a cold shift map that skips second up through 40% throttle. The normal shift map only skips second up through 17% throttle. The other skip shifts depend on what year model you have. I have a 24 and all of the other skip shifts are disabled.
If you want to do it yourself, get the hp tuners device for your truck, credits, and vcm editor. Read, turn off and write. Also turn off auto start stop, it had weird interactions with other systems. And if you already have a device to turn off ASS remove it.
If you want someone to do it for...