Fits GMC Crew Cab/4Door Behind Seat '04-'06
Black bedliner poly coat with QBomb etched in the top.
Has 2-12" woofer openings
There is a rectangular port on each end
Tuned at 34Hz
Air Space - .6 cu. ft. per opening
Mounting depth: 5-1/2"
This comes boxed and is UPS shippable