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

Boss Audio CH6500 6-1/2" 2-Way Car Speakers 

• Power Handling:
• Peak: 200 watts per pair / 100 watts each
• RMS: 80 watts per pair / 40 watts each
• 1" Polymide Dome tweeter
• 4 ohms impedance
• Poly-injection cone woofer
• Rubber surround
• 100 Hz to 18 kHz Frequency Response
• Sensitivity: 90 dB

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.