5.9 build

Hey guys been looking at these threads for a while need some advice. I have a Dakota r/t with a 408 short block building now -23 dish piston need advice on a cam and heads , currently have pie magnum EQs level 1 and huges air gap fi intake cam now is comp 5.28-5.36ex and 2.18- 2.24 on a 114lsa mid length headers 1 3/4 4.10 gears and stock 46re trans/convert. Looking for 450-500hp for street driver with a/c what can I do with what I have??
Nothing really. Your heads suck and being governed by the computer even if reflashed in a not going to get you there.

Honesty? You got it.

What to do honestly?

Hit the EZ button and get a super charger.
Add 1-3/4 headers if you don’t have them and fab up a good exhaust.
Trickflow heads would be a worthy upgrade.