Si sedan custom sound system set up, Subwoofer and Amp in the trunk. | 2016+ Honda Civic Forum (10th Gen) - Type R Forum, Si Forum - CivicX.com
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Amazon.com: Bbox Dual Sealed 12 Inch Subwoofer Enclosure - Pro Audio Tuned Dual Sealed Car Subwoofer Boxes & Enclosures - Premium Subwoofer Box Improves Audio Quality, Sound & Bass - Spring Terminals : Electronics
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