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Old 07-28-2008, 02:39 PM   #9
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Originally Posted by nefarious986
I don't hear a rattle when I drive, but when I'm parked after a hard drive, or even a normal drive sometimes, there's a crackling noise from the exhaust area.

Is that normal ?
Yes, that's the exhaust, mainly the cats, cooling off. Metal expands when hot. Then starts to constrict during the cooling process.
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