12" 1500W RMS Dual 4-Ohm Competition Subwoofer TXX-BDX-12 Audiopipe.
eBay
Audiopipe Pro 12" 300W 4-Ohm Subwoofer + 1000W Monoblock Class D Amp Combo.
eBay
Audiopipe 8" BDC3 Subwoofer Combo 250W RMS w/ 800W 1 Ohm Monoblock Amplifier.
eBay
8" High Excursion 4 Split Subwoofer Mesh Grill AP-TXX-GR8HX Audiopipe.
eBay
eBay
eBay
Audiopipe Car Audio 15" Dual 4 Ohms Car Subwoofer. Dual 4 OHM Voice Coils. 500 Watts RMS. double stacked magnets. Technical Details Mounting depth: 6-5/8″. PP Cone with Rubber Surround. Rigid Steel Basket.
eBay
2 PAIR 8" PLASTIC SPEAKER SPACER RINGS SUBWOOFER CUSTOM MOUNTING ADAPTER APMB-RING-8 4 Pack.
eBay