8" Speaker Box Enclosure Sub Subwoofer Box Car Speaker Box 7.25" Hole – AK Audio
Atrend 8 inch Single Vented SPL Tune Subwoofer Box - Improves Audio Quality, Sound & Bass - Woofer Specific Enclosure Certified - Designed, Engineered in USA - Nickel Finish Speaker Terminal : Amazon.ca: Electronics
Qpower Qbfordff09208 8 Inch Dual Port Subwoofer Enclosure Box With Underseat Down Fire For Ford F150 Super Crew And Ford F250 And 350 Super Duty : Target
APBX 8 R - Audison - Car Audio Amplifiers, Speakers, Processors
KICKER CompRT Down-Firing 8” Dual-Voice-Coil 2-Ohm Loaded Subwoofer Enclosure Black 48TRTP82 - Best Buy