In new condition, (4 months old)
Magnaflow part number 452338 for California/NY and all 50 states cat for 04 and 2005 model year Aveo. Open to offers, has about 3000 miles on it, works fine. Selling as I have an 06 model. $150 plus half the shipping cost, obo.
Link to manufacture page: California 452338
CARB database to confirm the EO number: https://ssl.arb.ca.gov/PartsSearchTo...earchTool.aspx