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PSICRE07






Developed for: 2007 & newer GMC Sierra Crew Cab

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

*Powered subwoofer is not compatible with a 2007 Classic (2006 Body Style).  Multi-channel amplifier is not compatible with vehicles that have Bose factory premium audio systems.  Multi-channel amplifier is not compatible with vehicles that have adjustable pedals.