XC90 AWD sound like a helicopter and rotten egg smell

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City
Lincoln
State
NE
Country
United States
What I Drive
Volvo xc90 AWD
#1
I had the cadallic converter, muffler, and exhaust replaced 8 months ago and this is what I have been experiencing. It seems to cut out a bit when accelerating, it sounds like a mack truck or helicopter with rotten egg smell. The smell is very profound
and in the cabin as well as outside the car. I want to visit someone an hour away but am nervous to take it that far because it sounds so bad, The helicopter sound was not happening after converter etc work but getting more prominent. Has anyone had this
issue before or that rotten smell. It makes me feel sick and obviously will have to accelerate if I want to drive on a interstate. Thanks
Annie
 


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