The 2006 Cadillac CTS has a V6 engine.
The 2006 Cadillac CTS has a 2.8 L base engine size.
The 2006 Cadillac CTS-V has a V8 engine.
The 2006 Cadillac CTS-V has a 6.0 L base engine size.
To remove the factory subwoofer from a 2006 Cadillac CTS, start by disconnecting the car's battery to prevent any electrical issues. Next, carefully remove the rear seat bottom by lifting it up and out. Then, take off the side panels or trim pieces in the trunk to access the subwoofer mounting screws. Finally, unscrew the subwoofer from its housing, disconnect the wiring harness, and remove it from the vehicle.
The 2013 Cadillac CTS is 6 ft. 0.5 in. (72.5 in.)1 subwoofer(s) wide.
The 2011 Cadillac CTS is 6 ft. 0.5 in. (72.5 in.)1 subwoofer(s) wide.
The 2012 Cadillac CTS is 6 ft. 0.5 in. (72.5 in.)1 subwoofer(s) wide.
The 2010 Cadillac CTS is 6 ft. 0.5 in. (72.5 in.)1 subwoofer(s) wide.
The 2010 Cadillac CTS-Wagon is 6 ft. 0.6 in. (72.6 in.)1 subwoofer(s) wide.
The 2012 Cadillac CTS-Coupe is 6 ft. 2.1 in. (74.1 in.)1 subwoofer(s) wide.
The 2011 Cadillac CTS-V is 6 ft. 0.5 in. (72.5 in.)1 subwoofer(s) wide.