1988-1998 CHEVROLET and GMC EXTENDED CAB TRUCK DUAL SUBWOOFER BOX Xtreme Enclosures $206.55 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 space: .8 cu ft per... Choose Options
1988-1998 CHEVY EXTENDED CAB and GMC SIERRA EXTENDED CAB SINGLE SUBWOOFER ENCLOSURE Xtreme Enclosures $147.15 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 Charcoal Gray Carpet... Choose Options
1999-2006 & 07 CLASSIC SILVERADO EXTENDED CAB SUB BOXES-PAIR Xtreme Enclosures $209.25 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, please check to see if you have... Choose Options
1999-2006 Silverado Ext. Cab Quad 8" Vented Box $399.99 $299.99 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 REVIEWS OF THIS BOX... Choose Options
1999-2006 SILVERADO EXTENDED CAB QUAD SUB BOX Xtreme Enclosures $363.15 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 old or new style,... Choose Options
2003-2006 Chevy Silverado 1/2 Ton Console Sub Enclosure Xtreme Enclosures $268.65 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 the same. Email or... Choose Options
2007-2013 Chevrolet Silverado Extended Cab Single Sub Box Xtreme Enclosures $168.75 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 inches Mounting depth... Choose Options
2007-2013 Chevy Silverado Extended Cab Dual Sub Box Xtreme Enclosures $209.25 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, please contact us. Fits dual... Choose Options
99-06 (2007 Classic) Silverado Extended Cab Single Sub BOX Xtreme Enclosures $160.65 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 Fits under the rear seat May... Choose Options
Dual Sub Box 1988-1998 Chevy Silverado Extended Cab Xtreme Enclosures $201.15 1988-1998 CHEVROLET SILVERADO EXTENDED CAB AND 1988-1998 GMC SIERRA EXTENDED CAB Fits dual 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... Choose Options
Dual Sub Box 1999-2006 & 2007 CLASSIC SILVERADO EXTENDED CAB Xtreme Enclosures $209.25 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 style. If unsure, please... Choose Options
DUAL SUB BOX 2014-2016 CHEVY SILVERADO DOUBLE CAB Xtreme Enclosures $214.65 FITS THE ALL NEW 2014-2016 CHEVROLET SILVERADO DOUBLE CAB AND 2014 GMC SIERRA DOUBLE CAB Fits dual 8,10 and 12 inch subwoofers Subwoofers fire down 5/8 inch MDF Air space = .55 cubic ft per sub Mounting depth for 8 inch sub = 6 inches Mounting depth for... Choose Options
DUAL SUB BOX Amp Rack 1999-2006 CHEVY EXTENDED CAB Xtreme Enclosures $214.65 FITS 1999-2006 CHEVROLET SILVERADO EXTENDED CAB Also fits the Classic Body 2007 Chevrolet Silverado Extended Cab This box has an amplifier rack. We have other sub boxes for this truck without amp rack. Features: This is the whole box with an... Choose Options
Ported box 1999-2006 CHEVY SILVERADO EXTENDED CAB Xtreme Enclosures $317.25 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. If unsure, please contact us... Choose Options
PORTED DUAL 8 BOX 1999-2006 CHEVY SILVERADO EXTENDED CAB Xtreme Enclosures $282.15 1999-2006 CHEVROLET SILVERADO AND 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... Choose Options
On Sale! PORTED DUAL SUB BOX 1999-2006 GM SIERRA EXTENDED CAB Xtreme Enclosures $249.95 $297.00 $225.00 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. If unsure, please... Choose Options
PORTED Dual Sub box 2007-2014 GM SIERRA CREW DUAL SUB BOX Xtreme Enclosures $297.00 Ported / Vented Dual 8 or dual 10 inch subwoofer box Tuned to 38 hz 2.2 Mono Chamber Mounting Depth = 6 inches Fits under the rear seat Subwoofers fire down Charcoal Carpet Oem colors available for an additional fee Note: We can custom tune the box for... Choose Options
Ported Sub box 07-13 GMC Sierra/Chevy Silverado Extended Cab Xtreme Enclosures $322.65 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 unsure, please contact... Choose Options
Single Sub Box 2014-2016 Chevrolet Silverado Double Cab Xtreme Enclosures $147.15 Fits the new 2014-2016 Chevrolet Silverado Double Cab and 2014-2015 GMC Sierra Double Cab Fits single 8, 10 and 12 Fits under the rear seat on the driver's side Mounting depth for 8 and 10 in sub = 5.2 inches Mounting depth for 12 in sub = 5 inches Air... Choose Options
