For upgrading the audio system in a 2007-2013 Chevy Silverado 1500 (excluding extended cab models), you can consider the following components:

BOSS Audio CH6520 Car Speakers:

• 6.5" Full Range 2-Way Coaxial Speakers.
• Power Handling: 250 Watts MAX, 60 Watts RMS per pair (125 Watts each).
• Frequency Response: 100 Hz to 18 kHz.
• Sensitivity: 90dB.
• Features a poly injection woofer cone and rubber surround for improved performance.
• Includes 1 tweeter per speaker.

GMSB356 Speaker Adapter:

• Pair of speaker adapters designed for 6.5" to 6.75" speakers (6-1/2" to 6-3/4").
• Made specifically for select GM vehicles, including 2007-2013 Chevy Silverado.
• Made from high-grade materials for durability.

Metra 72-4568 Speaker Harness:

• Speaker harness connectors that connect speakers to the factory harness.
• Designed for select GM vehicles, including Chevrolet Silverado 2007-2013.
• Provides a convenient and simplified installation.

Please note that the BOSS Audio CH6520 Car Speakers, GMSB356 Speaker Adapter, and Metra 72-4568 Speaker Harness are compatible with the 2007-2013 Chevy Silverado 1500 (excluding extended cab models). Ensure compatibility with your specific vehicle before making a purchase.