Quote:
Originally Posted by Dutt1113
I'm happy with the sound for it being oem and half the cost of aftermarket. It just seems like the full exhaust is quieter on my m550 that it is on the actual m5. Any ideas why that could be or am I just hearing things? Is it the difference in downpipes or something? Tuning?
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Different engines, turbos, downpipes, mid popes etc?