Amazon.com: American Sound Connection Compatible with Chevy C/K Silverado or GMC Sierra Full Size Extended Cab Truck 1988-1998 Single 12" Subwoofer Sub Box Speaker Enclosure : Electronics
Does Enclosure Size Really Matter?
STAGE 2 - DUAL PORTED SUBWOOFER MDF ENCLOSURE FOR AMERICAN BASS HD10 SUB BOX | eBay
Stinger TXTRB10 Loaded Underseat 10-inch Subwoofer Enclosure for Full Size Truck with TXTRB10BB Add-on Extention Port - Creative Audio
Subwoofer Box Calculator and Subwoofer Box Design
Speaker Enclosure Volume Calculator
Add-On Extension Port for 10-Inch Subwoofer Enclosure for Full-Size Tr - Phoenix Gold
Speaker Box Volume Calculator / Designer
Good Subwoofer Enclosure Design?
Underseat 10-Inch Subwoofer Enclosure For Full-Size Trucks and Other Vehicles - Big Daddy's Stereo