Custom box for four 8” subs

Specific for 1999 up to 2006 chevy Silverado gmc Sierra 1500 extended cab

2001 to 2006 2500 and 3500 Hd models that have same style seating as the 99-06 Ext cab. seats.

trucks.    Quad 8 inch subwoofer box

  (""""Does not fit Crew cab models"""")

ported on sides chambered in middle.  one of the nicest pre fabbed enclosures sold by wholesale distributor here in dallas tx.  

Approx. measurements are 55" width, 14.5" Depth   Front height 10.125"  rear height 6.80" subwoofer cutout 7.5" 

subwoofer depth 8"