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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,
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Seat Sound System – VAG Retrofits
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Seat Leon 5F Cupra Rear Right Left Side Door Sound System Speaker 5F0035411A | eBay
MTX TN8MS Terminator Series 8" compact powered under-seat subwoofer enclosure at Crutchfield
Seat Leon 5F Cupra Rear Right Left Side Door Sound System Speaker 5F0035411A | eBay
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2004 - 2010 BMW 5 SERIES E60 UNDER FRONT SEAT SUBWOOFER SPEAKER AUDIO SOUND OEM | eBay
Earthquake Sound SWS-8Xi 8-inch Shallow Woofer System Under-the-Seat Subwoofer, 2-Ohm (Single)
