4.0
definitely annoying- Typical Repair Cost:
- No data
- Average Mileage:
- 21,950 miles
- Total Complaints:
- 2 complaints
Most Common Solutions:
- not sure (1 reports)
- replace the muffler system (1 reports)

exhaust system problem
Helpful websites
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A D V E R T I S E M E N T S
the exhaust has become noisier over time
The dealership doubted my complaint.
I had to ask them to park another ZDX next to my car to see the difference for themselves.
Admittedly it is/was worse on cold starts.
The say a harmonic valve inside the muffler assembly was sticking.
- Gary D., St. Albert, AB, Canada