G Body Buick Regal Oldsmobile Cutlass Monte Carlo SS Speaker Box Sub Subwoofer Enclosure PORTED OR SEALED:Sealed 125” (14–1/8)

125” (14–1/8)

Other hole sizes optional upon request

Outside Dimensions: 11" tall x 31" wide x 4

Box will fit in the truck like the 5th picture

Designed to fit behind the back seat

G Body Buick Regal Oldsmobile Cutlass Monte Carlo SS Speaker Box Sub Subwoofer Enclosure PORTED OR SEALED:Sealed 125” (14–1/8)Custom fit for the GM's G Body Will fit the 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 Oldsmobile Cutlass Monte Carlo SS Buick Regal Grand National Pontiac Grand Prix BOX WILL NOT FIT THE AEROCOUPE 12" Ported design shown above Most of the box will fit underneath the back deck Holes cutout: 15 14. 125 (141 8) 12 11. 125" (11 1 8) 10 9. 25 (9 1 4) 8 7. 25 (7 1 4) Box constructed of 3 4" MDF, glued and nailed Can be made sealed About 5 cuft