Suggestions Wanted For 408 Stroker Mufflers

There's a grey Duster with Borla XR1's. The video is titled , Borla XR1 Mopar 408 idle. Sounds amazing! Hopefully someone can add the link to the video. I don't know how. I have Dynomax Ultra Flows on my 408. Sounds like factory Mopar exhaust to me.