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    2017 Denali fluttering when accelerating. VIDEO

    I had my exhaust replaced today and I no longer have the sound.
  2. T

    2017 Denali fluttering when accelerating. VIDEO

    Not yet they had to order the exhaust system. Said it would be in next week. Ill keep you updated...
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    2017 Denali fluttering when accelerating. VIDEO

    I pick my truck back up this morning. For mine they found 2 exhaust leaks one on clamp weld at Cat and one on the hanger weld of the muffler. They had to order me a whole new exhaust system. Hope this helps...
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    2017 Denali fluttering when accelerating. VIDEO

    will do!
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    2017 Denali fluttering when accelerating. VIDEO

    I have the same problem on my XL. I think its an exhaust leak. Going to the dealer next week. See what happens
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    SLE towing?

    Thanks for the info. My XL is 4x4. I started looking at some hybrid trailers that are more around 3000 to 3500 dry weight. My truck is a lease Id rather not put any money into it and use it as is.
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    SLE towing?

    Hi All looked though and searched for answer but most threads are about SLT/ Denali's. Kind of new to pulling a travel trailer. I have a 2016 Yukon XL SLE. According to the GMC site with my 5.3 3.08 gears I can pull a max of 6000lbs. I'm looking to purchase a Hybrid trailer which are much...

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