Chevy Avalanche Cadillac Escalade EXT Midgate Replace JL Audio 12W6v3 10W6v3 Subwoofer Speaker Box Enclosure

Will fit ALL Avalanches and Escalade EXT SUBS NOT INCLUDED Hole Cutout:  10"  -  9.02" 12"  -  11.02"   Flushmount Diameter:  10"  -  11"  12"  -  13" Airspace:  10" Ported:  0.75 cuft at 39 hertz 10" Sealed:  0.55 cuft  12" Ported:  1.3 cuft at 33 hertz 12" Sealed:  1 cuft  Sub Mounting depth:  10"  -  6.89" 12"  -  7.52" Built for JL AUDIO W6v3-D4 10" or 12" subs Box will completely swing open like factory midgate Box sprayed with the rugged truckbed liner or left bare wood Box is glued and nailed Have a custom design idea, we can build it Visit us on Facebook and YOUTUBE