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Developed for: 2014 and newer Chevy Silverado 1500 Crew Cab with base audio and 2015 Crew 2500/3500 Cab.

PowerStage™ Upgrade includes SubStage Upgrade plus multi-channel DSP amplifier* for factory speakers, wiring kit and mounting brackets.

*Multi-channel amplifier is not compatible with vehicles that have Bose factory premium audio systems.