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Atrend - 12" Dual Sealed Subwoofer Enclosure for 2007 or Later GM Crew Cab Trucks - Charcoal

Turn up the bass in your GM crew cab truck with this durable enclosure that is glued and braced to withstand the punishing effects of intense bass.
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Best Buy Customer Reviews

Wonderful Sub Box Posted by: from: on This is a really great subwoofer box. It fits perfectly underneath the back seats of my 2013 crew cab GMC Sierra. Highly recommended. The only thing I suggest is drilling pilots holes. Other than that, it is a great product.

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