Qpower 2 hole 8" Ported for GMC/Chevy 2007-Current Crew Cab

QBOMB “ BLACK SPRAYED ON BEDLINER COATING '07-'22 Chevy/GMC Crew Cab Dual 8? Woofer Enclosure “ Under Seat Front-Fire Side Rectangle Port Venting 5/8 ? MDF Construction Spring Loaded Push Pin Terminals Dimensions: (W x D x FH/BH) 49? x 13? x 9?/6-1/2? (Front Height/Back Height) Volume (Box): 2.11 cu. ft. cu. ft.Mounting depth: 11-1/4? Tuning Frequency: 35HZ