What is the 2003 chevy silverado speaker size?

The 2003 Chevy Silverado speaker size iS6 3/4" front door and 4x6" rear door. You can replace them with aftermarket speakers. A well-chosen set of aftermarket car speakers can make a mountain of difference in the car Audio system's quality of sound. These speakers produce a clearer, more detailed, more dynamic sound. You'll also hear a deeper and tighter bass at all frequencies.Amplifiers also make a significant difference to the performance of Your door speakers. Speakers have a maximum wattage rating, make sure not to exceed that rating. RockFord Fosgate, Polk Audio, and Pyle make great speakers that are sure to be a great upgrade.