Fits 2014 UP GMC Sierra Crew Cab Alpine SWT-10S2 Single 10 Custom Sub Box New
1 x Alpine SWT-10S2 Car Audio SWT Series Sub Single 2 Ohm 700W Shallow Subwoofer. Alpine SWT-10S2 Car Audio SWT Series Sub Single 2 Ohm 700W Shallow Subwoofer 10" SWT Series Single 2-ohm Shallow Mount Truck Subwoofer.