Brand new cat converter parts for Chevrolet and GMC

Brand new A-Premium Cat Converter Kit Direct-Fit Compatible with Chevrolet Express 15002009-2014, Express 2500, Express 3500 & GMC Savana 1500, Savana 2500, Savana 3500, 4.3 L 4.8 L 5.3 L. It is brand new never used . I am asking $450 or best offer.. Please text or call503-503-8025...thanks