Qpower Qbfordff09408 8 Inch Quad Port Subwoofer Enclosure Box With Underseat Frontfire For Ford F150 Super Crew, And 250/350 Super Duty Trucks : Target
Sealed MDF Enclosure for Flat 8-inch Subwoofer with Grill – Retro Manufacturing
TRU SPEC Prefab Single 8" Subwoofer Enclosure Sundown SA - GP Car Audio
BLACK 8" TRIPLE SEALED SUB BOX
JBL BASSPRO 8" Single-Voice-Coil Loaded Subwoofer Enclosure with Integrated Amp Black SUBBPSL2AM - Best Buy