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Old 12-07-2009, 11:05 PM   #20
jzwu
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Join Date: Oct 2009
Location: San Jose, CA
Posts: 1,315
My Ride: 2005 BMW 330Cic
Is the vert factory sub 8" or 10"? I pulled mine out and measured it. The cutout is 7", which indicates a 8" sub. The mount is really shallow, 2" at bottom sloping up to 3" at top. The shallowest aftermarket 8" subwoofer I found requires at least 2.8" clearance.
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