Should I port my subwoofer box? I've got 2 12s under the seat in my truck and with the windows down they hit like they should, with windows up they sound horrible,
Amazon.com: Q Power Dual 12" Sealed Heavy Duty Truck Subwoofer Box Enclosure | HD212-TRUCK : Electronics
Custom Truck Sub Box 6 - 6.5" | Down4SoundShop.com
DD Audio - Custom truck bed box by Dino's Audio Video... | Facebook
LOUDEST UNDER SEAT TRUCK BOX I'VE EVER HEARD! - PICKING UP WORK TRUCK 2.0 V2!! - YouTube
Speaker box with two kicker comp 10's. | Truck speakers, Custom car audio, Truck audio
12-Inch Double Subwoofer Noir pour Voiture Audio France | Ubuy
Amazon.com: 2X Single Sealed Angle 8 Inches Truck Subwoofer Box Enclosure with Thick Heavy Duty MDF - 8" Inches Woofer (2 Pieces) : Electronics