Dual 12" MTX Subwoofers+Box+Amp+Wires For 2000-2016 Ford F250/350/450 Super Duty - Rockville Audio
Amazon.com: Compatible with 2014 2015 2016 2017 2018 2019 GMC Sierra Crew Cab Alpine S-W12D2 Type S Car Audio Subwoofers Dual 12" Custom Sub Box Enclosure Package : Electronics