This is a custom box made for my 2001 audi a4, but will fit all vw as well as b5 and b6 (a4) trunks. The box hold 2, 2001, 10inch kicker comp vr subwoofers (4ohm models). The box is made out of fiberglass, and is covered in a gray carpet to make the box look clean in our trunks. In the middle...