FORD Single Cab / Regular Cab 8" Dual Sealed Slim Sub Box Subwoofer Enclosure | eBay
Amazon.com: Alphasonik AS8DF 8 inch 600 Watts 4-Ohm Down Fire Shallow Mount Flat Enclosed Sub woofer for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure :
Pioneer UD-SW200D Single down-firing sealed enclosure for 8" shallow sub at Crutchfield
UD-SW200D - Downfiring Enclosure for 8" Shallow Subwoofer | Pioneer of Canada - English
Amazon.com: Alphasonik Dynamis DCP8 8 inch 1000 Watts 4-Ohm Shallow Mount Flat Enclosed Sub woofer in Ported Vented Box for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Custom Port