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  1. Fitting DIY aftermarket mufflers? Need Suggestions

    E63/E64 M6 Discussion
    After spending many hours on the board reading about the various aftermarket exhaust options that we have available I am ready to modify the exhaust on my 2007 M6 E63 MT6. Like many of you I am looking to wake up the sound profile of my F1 beast but I am not excited to spend several thousand...
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