BlackScat392

It was there since before my first wash. Did not notice at the dealer but a few days after bringing it home. 

First, welcome! Be sure to post an intro on the new member forum.
 
Any of those will work fine, but if you want something for a matte finish specifically and not add additonal shine, Adam's sells a Matte Protectant and Detailer. The former is only on Amazon right now, https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.amazon.com/Adams-Matte-Protectant-16oz-Imperfections/dp/B077KHDQRT&ved=2ahUKEwjMko25nr_cAhUnxYMKHbKPAfsQFjAAegQIBBAB&usg=AOvVaw1_IwbHlwVtKrAy9CXcN2ff, but the latter is on their website, https://adamspolishes.com/adam-s-matte-detailer.html.

Welcome aboard, BlackScat392.   If you do use the Matte Protectant on the spoiler, be sure to use it sparingly, apply it evenly, and remove it quickly.  DO NOT let it set up for more than a brief moment and you'll get the best results. 

I have the Scat Pack chally and on my spoiler I just use the Matte Detail spray and it comes out looking great every time. A good friend of mine has the Charger and uses the Mattee detail as well, he tried the regular detail spray once....wont do that again.