Fits 1999-2006 And 2007 "Classic" Extended Cab Silverado And Sierra
Approx. Empty Weight: 33 lbs
Installs under the rear seat
No modifications required
Does not affect rear seat latching
Fits One 10" or 12" round or square subs
*Cutout Size: 10"=9-1/8", 12"=11-1/8"
Mounting Depth: 7"
-based on 6" magnet
*Volume: 1.65 cu.ft.
Carpet color shown: Charcoal Gray
Logo Text: Optional
Subwoofers Sold Separately
Our Ultra-Amp box is essentially our Ultra Deep box (item ctb99-210/212 Ultra), but holds a single sub and ported on the other end. The fit the look is the same as the dual box with the seat down, except the port. If you like the ported sound, this is your ticked.