Please wait... 1-850-674-6363 | 6am - 9pm CST; Gift Certificates; My Account ; Sign in or Create an account. Finished in a premium black carpet and featuring the Skar Audio logo on the lower left side, this enclosure … Single 12" Universal Regular Cab Truck Ported Sub Box The PORTCK112 sub enclosure was specifically designed for regular cab truck applications along with other situations where space is tight. Chevy Silverado & Gmc Sierra Ext-Cab 1999-2007 12" Dual Ported Sub Box. Currency Displayed in . F150 SUPERCREW 2009-19 QUAD 8" SUBWOOFER BOX … Add to Cart. from $219.99. Quick View. The SK2X12V subwoofer enclosure is a dual 12-inch, universal fit, ported, subwoofer enclosure that is designed for maximum bass and responsiveness. Quick View. Add to Cart. Compare. Custom Fit Sub Boxes for trucks. This enclosure will work a wide range of brands and subwoofers but you do need to look out for the mounting depth which is somewhat shallow. A ported enclosure is tuned to maximize the bass output within a certain frequency response range and since you are limited to the number of subwoofer you can run in a truck … 12 inch subwoofer boxes Sort Featured Price: Low to High Price: High to Low A-Z Z-A Oldest to Newest Newest to Oldest Best Selling Filter 10 INCH 100-250 12 INCH 12 Inch Subwoofer Box 13 INCH 30 HZ 32 HZ 33 HZ 34 HZ 35 HZ 36 HZ 50-100 CHEVROLET CHEVY SILVERADO CREW CAB DODGE DUAL SUB BOX … from $209.99. Dual 8 Inch Ported Box… ... 2019-UP SILVERADO / SIERRA CREW CAB DUAL 10/12 PORTED SUBWOOFER BOX $225.00. Choose Options. The box is cut to at a slight angle which allows the box to line up perfectly to the back of the truck … Fits Regular-Cab/Single cab Trucks 12" Dual Ported Sub Box.