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Amazon.com: Compatible with 2002-2013 Chevy Avalanche Underseat Alpine Type S S-W12D2 Dual 12" Sub Box Enclosure with S-A60M Amplifier & 4GA Amp Kit : Electronics
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Amazon.com: Compatible with Chevy Avalanche 02-09 Dual 10" Kicker CVT10 Subwoofer Behind Seat Sub Box Enclosure 1600 Watts Peak : Electronics
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