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: Audison Front Speakers and Subwoofer Bundle Compatible with 01-10 BMW 5 Series Limo/Sedan E60 HiFi Sound System : Electronics
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Audison Front Speakers and Subwoofer Bundle Compatible With 15-21 BMW 1 Series Sedan F52 HiFi Sound System - Creative Audio
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