I have a 2016 3.5 EB with the same package.
Get that bad boy a dyno tune. You can get one emailed to you, and install it with an OBD tuner box. But I highly recommend a dyno tune.
I told the guys at MPT Tuning I wanted good power that wouldn't stress the drivetrain too much. I ended up with 435 HP and 456 ft.lb. Nice smooth power curve.
I also installed a Full Race CAC and a TurboSmart BOV. I don't know if the 2020 OEM CAC is better, but the 2016 one sucked. Makes a huge difference in turbo inlet temps, and I've never had the shuddering problem (water condensing in the CAC and being ingested into the engine, putting it into limp mode - not good when you're going 70 mph on a crowded highway. This was a problem with earlier models that had OEM CAC's.)
The other thing I would add is a catch can. The Gen 2 turbo engines are much better, since they are a combo port/direct injection. It's still not a bad idea.
My 2016 is DI only, and without the catch can I'll get fouled plugs over time.