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Amplifier Retention Interface (15-19 Sierra 3500 HD)Find parts that fit my vehicle

Item SHG24274
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$395.99

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      Product Information

      Description, Q&A

      Description

      Description. Vehicle-specific add-on amplifier interface for use when replacing the factory radio, such as with Metra’s dash kits. It is designed to retain the BOSE amplifier in select GM vehicles. This interface will also retain the balance audio feature when replacing the factory radio and is Micro “B” USB updatable.

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