GS-NGM28B black 8" dual sealed sub box, fits 99-06 & 07 classic gmc sierra ext-cab

SPECIFICATIONS:

-CUTOUT DIAMETER: 7 1/8"

-TOTAL AIR VOLUME: 1.78 FT^3

-2 INDIVIDUAL CHAMBERS

-VOLUME PER SUBWOOFER:  0.89 FT^3

-WEIGHT:  40 LBS.

-MOUNTING DEPTH: 6 3/4"

DIMENSIONS:

-HEIGHT: 8 1/4”

-LENGTH: 54 1/4"

-DEPTH: 13 1/2"

CONSTRUCTION:

-5/8" HIGH QUALITY MDF WOOD

-CARPETED WITH DURABLE TRUNK LINER FINISH

-SEALED WITH HIGH QUALITY TITEBOND SILICONE

-GLUED WITH HIGH QUALITY TITEBOND WOOD GLUE

-2 BINDING POST TERMINALS

INSTALLATION:

-FITS UNDER REAR SEAT

-UPWARD FIRING

-2007 FITS ONLY OLD BODY STYLE

-WILL NOT FIT TRUCKS WITH V SHAPE HUMP (USE JCHV MODELS FOR V SHAPE HUMP)