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Anyone ever had a flowmaster muffler come apart on the inside? Evidently the weld's that hold the baffles in broke and the thing was rattleing like crazy. It's 5 year's old, but only has 1000 mile's on it.
 

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very possible, condensation probably did the welds in... it'll probably start rusting from the inside out... very little use on something is worse than using it everyday in most cases...
 

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Freak, I had the same problem a couple years ago. Flowmaster 40 series ONLY year and a half old rusted out from the inside. I heard some exhaust noise and noticed several little pin holes, took the muffler off and rattled from the inside. I contacted Blowmaster and they would not warranty them because they were over a year old. I now run Dynomax bullets and am very pleased!
 
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