![Amazon.com: Liphontcta 99-06 Chevy Silverado/GMC Sierra Regular Cab Dual 12 Subwoofer Box with Amp Space : Electronics Amazon.com: Liphontcta 99-06 Chevy Silverado/GMC Sierra Regular Cab Dual 12 Subwoofer Box with Amp Space : Electronics](https://m.media-amazon.com/images/I/51tkEFZ1mmL.jpg)
Amazon.com: Liphontcta 99-06 Chevy Silverado/GMC Sierra Regular Cab Dual 12 Subwoofer Box with Amp Space : Electronics
![Amazon.com: Compatible with Chevy C/K Silverado or GMC Sierra Fill Size Regular Cab Truck 1988-2006 Dual 12" Sub Box Speaker Enclosure : Automotive Amazon.com: Compatible with Chevy C/K Silverado or GMC Sierra Fill Size Regular Cab Truck 1988-2006 Dual 12" Sub Box Speaker Enclosure : Automotive](https://m.media-amazon.com/images/I/31Rpa04oeZL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Compatible with Chevy C/K Silverado or GMC Sierra Fill Size Regular Cab Truck 1988-2006 Dual 12" Sub Box Speaker Enclosure : Automotive
![SUB BOX BUILD FOR SINGLE CAB SILVERADO 99-06 NBS SUBWOOFER ENCLOSURE DIY RCSB SILVERADO/SIERRA - YouTube SUB BOX BUILD FOR SINGLE CAB SILVERADO 99-06 NBS SUBWOOFER ENCLOSURE DIY RCSB SILVERADO/SIERRA - YouTube](https://i.ytimg.com/vi/YlIFPVCdaN4/maxresdefault.jpg)
SUB BOX BUILD FOR SINGLE CAB SILVERADO 99-06 NBS SUBWOOFER ENCLOSURE DIY RCSB SILVERADO/SIERRA - YouTube
![LOMENTICSLOMENTICS99-06 Chevy Silverado/GMC Sierra Regular Cab Dual 10 Subwoofer Box with Amp Space - Yahoo Shopping LOMENTICSLOMENTICS99-06 Chevy Silverado/GMC Sierra Regular Cab Dual 10 Subwoofer Box with Amp Space - Yahoo Shopping](https://s.yimg.com/lo/api/res/1.2/sPL73.nLHOlviuhe0o_nfQ--/YXBwaWQ9ZWNfaG9yaXpvbnRhbDtoPTQwMDtzcz0xO3c9NDAw/https://m.media-amazon.com/images/I/512DI+HyW0L._SL500_.jpg)