2007-2023 Chevy&GMC Crew Cab (4) 8s

Made for 2007-2023 Chevy&GMC Crew Cab 2018-2023 Chevy&GMC DBL CAB fits (4) 8” woofers   2.8 cuft after displacement tuned to 34hz these will work perfect for woofers of all size  (4) available 
requires 2.5” seat lift 
7 7/16 “ inside cutout 
8 7/8” flush mount