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      12-27-2018, 03:24 PM   #9
thermalc
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Drives: m4
Join Date: Oct 2015
Location: bmw

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Active sound is just a response to higher levels of insulation in modern cars. Porsche even put the symposer in the naturally aspirated 991's.

Nothing to do with the engine sound, the s63tu m5 and m6 had active sound before the m4 did.
IB M1456.50