Junior put the same "mufflers" on Punching Bag. Here's a clip of those from that thread.
https://www.youtube.com/watch?v=Sf-yQvmeT28
He's got headers, about two feet of pipe then the 10's right under the seat. The highway drone is ridiculous. When it's running in the driveway, sh1t falls off the walls in the house - really. I'm hopeful that mine won't be quite as raw