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      01-31-2013, 10:11 PM   #1
HighandDry
Private First Class
 
Drives: E92 M3
Join Date: Jan 2013
Location: Seattle

Posts: 108
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Akrapovic Slip On, Where's the sound?

With the stock exhaust, I could hardly hear it in the cabin.

Put on the Akrapovic Slip On and while it sounds nice outside, it's still pretty quiet in the cabin. I also expected it to get significantly louder past 4K, but it seems pretty constant. It seems that my other aftermarket exhausts (RSC on Aston, Europipe on Turbo, Porsche Sports Exhaust on Carrera) were much louder in the cabin.

Is the soundproofing that dense in the M3? Well I notice a big upgrade in sound if I go for the full Evolution?

Maybe I'm just forgetting how loud the other cars were. I've been driving my F430 a lot and it just screams past 4K. That car has stock exhaust, but Fabspeed headers/cats.
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