my Akraprovic Exhaust installed
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2019 GT3 RS, 2017 M3 30 Jahre
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bone stock E55 AMG
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Hyperion's Candy-Coated 4 x 4
Here is possibly a stupid question, how much louder would this exhaust be over the slip-on version? I know the "performance" numbers differ by about double, but what about sound? Anyone know or have an educated guess whether the sounds would be comparable?
