Gmc 2024 Sierra 2024 Sound System Upgrades Unleashed. Upgrade the factory audio sound in your sierra 1500 crew cab or extended cab (aka double cab) with this high performance kicker® subwoofer and audio amplifier system. Latest here we showcase the latest makes and.
For 2024, i plan to upgrade my audio a bit more than i did this year. I just needed some bass to get me by and my current setup allows for that.