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Sonic Sub Boxes Car Audio, Video & GPS

Sonic Sub Boxes Car Audio Accessories & Installation

Top 20 in Sonic Sub Boxes Car Audio, Video & GPS

20 oz Polyfil Stuffing For Subwoofer Enclosure Box (Polyester Fiber Fill, Poly-Fil)

Polyester Fiber Fill for subwoofer and speaker enclosures • Works great in smaller enclosures • Makes your sub "think" it is in a bigger enclosure