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I've been running the Akra exhaust system on my F06 M6 for about a year now and recently I am hearing the left exhaust valve rattling in the back...
Is this normal? I think it's because the valve flap became loose, so I might try the ziptie option and hopefully it'll resolve the rattling noise... but just want to know if anyone else' have this rattling noise with their valve flap?
Thanks
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