Or the heat shield on the cat under the floor. Or front brake backing plate/dust shield.
The worn exhaust hanger noises that I heard would vibrate the entire car under light throttle. And seems to be a problem on the 17 and newer turds not the older models afaik? Unless one of the rubber hangers came right off, which can and has happened on any year. Usually the one under the drivers seat.
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View my fuel log 2014 Mirage SE wussie cvt edition. 1.2 automatic: 37.7 mpg (US) ... 16.0 km/L ... 6.2 L/100 km ... 45.3 mpg (Imp)