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BMWPartsPros.com l BMW M PERFORMANCE MUFFLER SYSTEM - M340i
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01-31-2020, 11:59 AM
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PARTS@STBMW
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Originally Posted by
themnmd
Any meaningful power increase? Or just better sound?
Hello and thank you for contacting BMWPartsPros!
Unfortunately, BMW does not provide us with the numbers on power, but definitely much louder.
-Britney
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themnmd
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