This Package Includes the Following Items:
1 x Chevy Subwoofer Box Custom Dual 12" 99-06 Ext Cab
2 x Kicker 43CWR122 12" CompR CWR12 Series Sub 500W RMS 2 Ohm DVC Car Subwoofer
1 x Kicker 43CXA12001 Mono Amp CX Series CXA1200.1 Class D 1200-Watt Car Audio Subwoofer Amplifier - Limited Stock
1 x Harmony Audio HA-AK0 Car Stereo Complete 1/0 Gauge 3000W Amp Amplifier Install Kit - Nickel
Chevy Subwoofer Box Custom Dual 12" 99-06 Ext Cab:
Features:
Dual 12" Chevy 99-06 Extended Cab Sub Box
Air Space: 0.95 Cubic Feet
Mounting Depth: 5-3/4"
Sealed Enclosure
Dimensions: Width 51" x Front Height 9-3/4" x Rear Height 7-1/4" x Depth 13-1/2"

Constructed with High Quality MDF
(2) High Quality Binding Terminal Cup (Accepts Banana Terminal Plugs OR Bare Wire 'up to 10GA')
Sprayed on layers for a long lasting, durable, water resistant enclosure (same
technology as spray-on bed liner)
Enclosure installs under rear seat down firing
This box fits:
1999 - 2006 Chevy Silverado Extended Cab 1500, 2500, & 3500
1999 - 2006 GMC Sierra Extended Cab 1500, 2500, & 3500