* Removing a speaker: This is the most reliable method. Carefully remove one of your door speakers to see the size printed on the back or measure it directly.
* Checking your owner's manual: Your owner's manual might specify the speaker sizes.
* Looking online: Search for "2001 Chevy Camaro speaker size" along with the trim level of your Camaro (e.g., "2001 Chevy Camaro SS speaker size"). This can yield information from forums or other online resources.
Don't solely rely on general information; always confirm the size in your specific vehicle to ensure a proper fit.