2 10 alpine type x in ported box for Sale in Hayward, CA - OfferUp
Universal Car Stereo Slotted S Port Single 10" Alpine Type X X-W10D4 Sub Box Enclosure with Harmony HA-A1500.1 Amplifier & 0GA Amp Kit | ALPINE -PACK442A-AMP-H
Amazon.com: Alpine X-W10D4 Car Audio Type X Dual 4 Ohm 1800 Watt 10" Subwoofers with Sub Install Kit Package : Electronics
Universal Car Stereo Vented Port Single 10" Alpine Bundle Type R R-W10D4 Sub Box Enclosure with Harmony HA-A800.1 Amplifier & 4GA Amp Kit - Walmart.com
Alpine SWX-1043D at Onlinecarstereo.com
Alpine Type X SWX-10 10" Sub and Port Back Subwoofer Box Plans | CustomLowz
Alpine Audio 10" Type R & Type X Custom Aero Ported Box X-W10D4 R-W10D4 R-W10D2 | eBay