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Amazon.com: Compatible with Chevy Silverado 99-06 Extended Cab Truck Dual 12" Kicker C12 Subwoofer Sub Box Enclosure 600 Watts Peak : Electronics
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Amazon.com: American Sound Connection Compatible with Chevy Silverado or GMC Sierra Full Size Extended Cab Truck 1999-2006 Dual 10" Subwoofer Sub Box Speaker Enclosure : Electronics
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