FOX ACOUSTICS 2007-2023 GM CREW CAB 4-8" VENTED SUBWOOFER BOX

2007-2023 GM 4-8" VENTED CREW CAB SUB BOX GM-CC-48-V-07 2019+ TRUCKS WILL REQUIRE REMOVAL OF THE UNDER SEAT STORAGE TRAY.SUB SIZE: 8" X 4SUB HOLE SIZE: 7.25"MOUNTING DEPTH: 6.75"MAX MAGNET DIAMETER: 7"INTERNAL AIR VOLUME: 1.4 FT3 X 2TUNE FREQ: 36 HZTHIS BOX WILL NOT FIT THE EXTENDED / DOUBLE CAB TRUCKS MAKE SURE YOU KNOW WHAT TRUCK YOU HAVE! THE BAFFLE IS PRE MARKED FOR SQUARE SUBS. THIS IS THE ULTIMATE SETUP WHEN YOU WANT HIGH SPL AND DEEP LOW BASS FOR YOUR TRUCK. THIS ENCLOSURE IS SPRAY COATED WITH BLACK LINE-X TRUCK BED LINER FOR A HIGH QUALITY, DURABLE, AND EASY TO CLEAN FINISH. THE 2014-18 TRUCKS REQUIRE A 5/8" SEAT SPACER KIT TO LIFT THE REAR SEAT 5/8". THE KIT INCLUDES 8 SPACERS THAT ARE PLACED ON THE BOLT STUDS THAT SECURE THE REAR SEAT. THIS KIT IS INCLUDED WITH THE SUB BOX. THE SUB BOX IS SHIPPED IN 2 PIECES AND CAN BE SCREWED TOGETHER FROM THE INSIDE FOR A 1 PIECE ENCLOSURE.