12 in. 3600-Watt Subs (Pair) and GMC Chevy Silverado Ext Cab 99-06 Box Item Weight:78.325 A: Use a wrench or

A: Use a wrench or drill with an appropriate hex socket to drive into a nut or tapped hole

The CRAFTSMAN® M220 21-in

8 GPM max flow

creating a quietly luxurious foundation

Built-In Comfort: Pre-attached 1 mm acoustic pad for sound absorption

12 in. 3600-Watt Subs (Pair) and GMC Chevy Silverado Ext Cab 99-06 Box Item Weight:78.325 A: Use a wrench orThis Package Includes: 2 x AC12D 12 in. Subwoofers 1 x GMC Chevy Silverado Extended Cab 99 06 Dual Under seat Two 12 in. Subwoofer Sub Box The Planet Audio AC12D 12 in. 1800 Watt Dual 4 Ohm Voice Coil Car Audio Subwoofer can handle 1800 Watt (3600 Watt per pair) of max power and 900 Watt (1800 Watt per pair) of RMS power. Other features include a mounting depth of 5 3 8 in. and an impedance of 4 ohms. Thump your car audio system with these AC12D