JL Audio Stealthbox® Custom-fit fiberglass enclosure with 10" W6v2 subwoofer Fits 2006-up Honda Civic Sedan at Crutchfield
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DIY subwoofer audio install on my 2008 Honda civic - YouTube
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Turning my Honda Civic into a DISCO! - Team-BHP
Discontinued Obsolete SKU | MTX - Serious About Sound®
2 Kicker 10 inch subwoofers a 400watt amp/ car audio install for my nephew in his 2012 Honda Civic. - YouTube
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Amazon.com: NuIth Add an Amplifier Subwoofer Interface for Honda Civic Accord Acura 2008-2017 RCA 2-Channel Line Out Converter w/Remote Turn on Wiring to Factory Radio Stereo Update Sound System : Electronics
Amazon.com: Harmony Audio Bundle Compatible with 2006-2011 Honda Civic (2) HA-R65 6.5" New Factory Speaker Replacement Upgrade Package 300W Speakers with HA-827805 Speakers Adapter Kit : Electronics
Amazon.com: NuIth Add an Amplifier Subwoofer Interface for Honda Civic Accord Acura 2008-2017 RCA 2-Channel Line Out Converter w/Remote Turn on Wiring to Factory Radio Stereo Update Sound System : Electronics
Drop in (almost) replacement for subwoofer | 8th Generation Honda Civic Forum