SIERRA EXTENDED CAB

This box is custom designed to fit the 1988 to 1998 Chevrolet and GM Extended Cab trucks. Fits two 8 inch or two 10 inch subwoofers JACK REMOVAL NECESSARY Constructed with MDF wood Width: 49 inches Mounting Depth: 5.25 inches Air…

1988-1998 CHEVY EC CAB TRUCK SUB BOX FOR ONE 8 inch OR 10 inch SUBWOOFER Fits a single 8 or single 10 inch subwoofer Air Space: .6 cu ft JACK STAYS FITS OVER TRANSMISSION HUMP Mounting Depth = 5.25 inches Subwoofer fires down Cha…

This is probably one of the loudest setups you can have in this truck. 4 8S UNDER THIS SEAT IS CRAZY LOUD. WE BRACE AND GLUE THESE BOXES TO MAKE SURE YOU GET YOUR MONEYS WORTH. WE CUSTOM TUNE EACH ONE AND HAVE NOTHING BUT STELLAR …

Fits: 2003-2006 Chevrolet Silverado 1/2 Ton (1500 series) Crew, Standard and Extended Cabs 2003-2006 GMC Sierra 1/2 Ton (1500 series) Crew, Standard and Extended Cabs Might fit the HD series 2500 and 3500 if the seat style is th…

Fits 8 or 10 inch subwoofers MDF construction Subs fire down Fits under rear seat Jack removal is required 1 1/4" clearance under the box Air Space = .75 cubic foot Per Sub Mounting Depth = 5 1/4"  Mountin…

FITS 1999-2006 CHEVROLET SILVERADO / GMC SIERRA EXTENDED CAB DUAL SUBWOOFER ENCLOSURE Note: This will also fit 2007 Old Classic Body Style. If you have the 2007 Extended Cab, please check to see if you have the new or old body sty…

2007-2013 CHEVROLET SILVERADO and GM SIERRA EXTENDED CAB TRUCK Note: This does not fit 2007 Old Classic Body Style. If you have the 2007 Extended Cab, please check to see if you have the new or old body style. If unsure, ple…

FITS 1999-2006 CHEVROLET SILVERADO EXTENDED CAB DUAL 10 SUBWOOFER ENCLOSURE This box has an amplifier rack. Features: This is the whole box with an amplifier rack in the center, we do sell this box in pairs and whole without rack…

FITS 1999-2006 CHEVROLET AND GMC SIERRA EXTENDED CAB TRUCKS THIS DOES NOT FIT THE HD CREW CABS Note: This also fits the 2007 Class (Old) Body Style Extended Cab; not new body.If you have a 2007 and you are not sure if you have the…

1999 TO 2006 CHEVY SILVERADO AND GMC SIERRA EXTENDED CAB TRUCK SUBWOOFER ENCLOSURE This does not fit the Crew Cab Heavy Duty models. Note: This will also fit 2007 Old Classic Body Style. If you have the 2007 Extended Cab, ple…

1999-2006 GMC SIERRA EXTENDED CABS Vented box Fits dual 8 inch subwoofers Mounting depth = 7 inches Air Space = 1.7 cubic ft Tuned to 35hz MDF wood Charcoal carpet Available in OEM colors choose which side of rear seat you wish t…

1999-2006 Gmc Sierra Extended Cab 1999-2006 Chevrolet Silverado Extended Cab Note: This will also fit 2007 Old Classic Body Style. If you have the 2007 Extended Cab, please check to see if you have the new or old body style. …

2007-2013 GMC Sierra and Chevy Silverado Extended cab dual ported sub enclosure Note: This does not fit 2007 Old Classic Body Style. If you have the 2007 Extended Cab, please check to see if you have the new or old body style. If …

Note: This will also fit 2007 Old Classic Body Style. If you have the 2007 Extended Cab, please check to see if you have the new or old body style. If unsure, please contact us. Features: Fits 8, 10, or 12 inch subwoofers Fi…

Fits 2007-2013 Chevy Silverado Extended Cab and GMC Sierra Extended Cab trucks Fits single 8 inch, 10 inch, and 12 inch subwoofer Subwoofer fires down 5/8 inch MDF wood Air space = .6 cubic ft per sub Mounting depth for 8 inch su…

Fits 2007-2013 Chevy Silverado Extended Cab and GMC Sierra Extended Cab trucks Fits single 8 inch, 10 inch, and 12 inch subwoofer Subwoofer fires down 5/8 inch MDF Air space = .6 cubic ft per sub Mounting depth for 8 inch sub = 6…