The Products tool within Facebook Campaign Manager allows you to generate filtered performance reports at the product level from your Facebook campaigns:
To build a report:
Select a Camaign
OPTIONAL: Select a specific Ad Set to only view that unique segment
By not applying a Filter your breakdown will automatically be generated for all products in the lower table:
To build a Filter:
Select a primary attribute
Select your operator (ie "Greater Than")
Input or select your value
Click Add Filter
You can also Edit Filters and apply additional attributes and/or Save Filters for later use:
Once a Filter is applied, the data in the table will update within a few moments to reflect your set criteria.
This data can be exported, and you can also expand what metrics are viewed in the table: