Hmm love the sound. I know some have said almost no drone, but how much is almost none on 1-10? 1 being stock, and 10 being ear plugs needed, or a two way needed to talk to passenger, heh. 5= drone with windows up about equal to the sound level of no drone and windows down at 65 mph.
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'08 Black Saphire/Black Z4 M Coupe
RIP Gretta: Blue Water/Lemon 135i. Died to save me.
-ChuckV
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