Sounds like a good combo for a stock block. If you get too much "drone" or raspiness from the flows (I have 40s on my 416 with a 3" X pipe system) you can add some 8" long cherry bombs before the flows and IMO it makes the car sound just right. I have dumps on my fish.

Sounds like 4 harleys rolling in when I manually downshift going into the pool bar parking lot.