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Exhaust leak/dent? 22 Yukon denali
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...- Supakimchee
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- Forum: Engine & Drivetrain
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Exhaust leak/dent? 22 Yukon denali
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...- Supakimchee
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- Replies: 3
- Forum: Engine & Drivetrain
