2023 GMC SIERRA AT4 CUSTOM SUBWOOFER FABRICATION & INSTALL FROM START TO FINISH

IN THIS VIDEO, WE TAKE YOU ALONG IN THE PROCESS OF INSTALLING A CUSTOM SUBWOOFER IN A 2023 GMC SIERRA AT4 FROM THE DESIGN, AND FABRICATION TO THE INSTALL. ‪@AlpineTV‬ ‪@StingerDealer‬ #fozierselectronics #customaudio #customcaraudio #customsubwoofer #alpineaudio #pacinterface #stinger #gmcsierra