2 SA-12 (2014-18 GM)DIY BLUEPRINT FOR 2 SA-12 SUBWOOFERSVOLUME: 2.7cf net SealedDIMENSIONSWidth: 57inFront Height: 9-3/4inRear Height: 7-11/16inDepth: 15-1/2inSubwoofer Max Mounting Depth: 6.75in$15.00PriceAdd to CartBuy Now