There is a Loud exhaust noise coming from under the drivers side of the car whenever I accelerate from stop. It almost sounds like my exhaust has a leak in it or it popped off or something. It started off as a quiet hum and progressively got louder. The sound goes away though at about 35-40 mph.. What could this be?
What happens if you dont fix it?
When a vibration suddenly starts to happen, it means that something is loosening. Usually it's a panel or a sheet of metal that's vibrating on it's resonant frequency, that's why it goes away with speed, it passed the resonant frequency.
It's very hard to find because you have to be under the car to see it. If you find something you suspect, tighten the screws or put a rubber band on it to test it.
Get the whole muffler be checked by any of the exhaust system repairing shops.
sounds like the wheels are out of balance, is there a slight vibration through the steering wheel at this speed? and does the problem stop if you go faster (please drive carefully)
SOURCE: Loud Exhaust Noise Under Driver Side Whenever I Accelerate on gas.
can be a split in the exhaust or the flex pipe has snapped in side. either way its going to need to be fixed, welded up or replaced and weld on.
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