Non wastegate/phaser rattle

[isis]

so I went borla muffler/resonator combo.

how close to stock does this combo sound?

 

[BBR]

how close to stock does this combo sound?

When first installed it was quieter than stock.
35k miles later, it's pretty throaty at cold-start and WOT but very civilized under normal conditions and cruising at speed.

 

[NickW]

Hard to tell exactly from the video, but this sounds very similar to a weird sound that I had on my truck for almost a year. It sounded very similar to something loose with the exhaust. I finally tracked it down to the starter. I confirmed by starting the truck when cold, then hitting the starter with a wooden handle and the sound changed each tap I hit the starter. Drove me crazy because the truck sounds like crap. Just changed out the starter over the weekend and that fixed it for me.