I have both sections on my car and LOVE how it sounds. I'm not sure if the car is any louder because of the Comp Package, but this thing definitely roars. I would do both if I were you.
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Current Garage:
*2015 Singapore Grey F06 M6 Gran Coupe (The Beast)
*2014 Black Cayenne GTS 958 (Wife & Kids Beast)
*2008 Imola Red E60 M5 (My Other Beast)
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