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Title: SoundBox Silverado/Sierra 10" Dual Subwoofer Enclosure  
Category: Automotive Audio  
Brand: SoundBox  
Description: Dual 10" down‑fire subwoofer enclosure designed to fit under the rear seats of 1999‑2006 Silverado and Sierra extended cabs.  
Details: Constructed from 5/8" industrial‑grade MDF with a .97 cu.ft. volume per chamber, 6" mounting depth, rugged terminal cups, and black carpet wrapping.

Price is $