Exhaust leak/dent? 22 Yukon denali

[Supakimchee]

I’ve been hearing a hissing noise on acceleration and took a look underneath my denali. The exhaust piping just after the cats look flat and dented? I couldn’t find any pictures online. Anyone have a 2021+ Yukon Denali they could look under?

I’ve attached some pics of mine. It just doesn’t look right. And I haven’t hit anything since I bought it new a few months ago. The dealer did report the owner drove it 200 miles before I took delivery.

 

[Supakimchee]

Also, I’ve looked up the part number on GM parts direct, and the diagram they show of the part actually does look flat. Mine does look flat but there could be a dent.

Also I have the GM performance exhaust option, and I’m unsure at which point that part gets put in during production, so I’m hoping it’s just a simple exhaust leak from a bad install and not anything more serious.

 

[Silverado4x4]

I’ve been hearing a hissing noise on acceleration and took a look underneath my denali. The exhaust piping just after the cats look flat and dented? I couldn’t find any pictures online. Anyone have a 2021+ Yukon Denali they could look under?

I’ve attached some pics of mine. It just doesn’t look right. And I haven’t hit anything since I bought it new a few months ago. The dealer did report the owner drove it 200 miles before I took delivery.

That smashed part of the exhaust is normal as they are all like that, it doesn't hurt anything like cutting down on exhaust flow.

 

[B-train]

It installs behind the y-pipe and cats usually. I'd look at junctions points for black soot stains which would indicate a leak