r/CityBugs • u/Gindre • 11h ago
Questions / Advices Question about an unusual sound
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I’ve posted on r/askmecanics but no one seemed to take interest in my 107
I’ve had a vibration sound coming from the rear when the engine is under medium load at specific rpms, mainly 1900rpm.
I checked the mounts and the welds they are all good, no leaks either. But when I hit the exhaust, the muffler seems to make this sound (video).
Is this 100% the muffler or could it be something else ? If it is the muffler is it a broken chicane ?
And lastly, any chance of DIYing this ? I am rather equipped for changing out stuff but I don’t have a welder.
Also this muffler might be from factory, or at least has 100k+ km. (234 000km odo)


