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muffler stock modded
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  1. E39 M5 and E52 Z8 Discussion
    Has anyone else done this? After selling my aftermarket mufflers I got bored with the stock mufflers. I looked for cheaper than $1000 options and didn't find any. I got to thinking of gutting 2 of the 4 mufflers on the car. I searched and didn't find any info on what the insides of the stock...
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