2009-2011 Pilot
https://www.rockauto.com/en/catalog/honda,2011,pilot,3.5l+v6,1446333,exhaust+&+emission,catalytic+converter,5808
I have a shop telling me all three banks of cats need replacing at $2750. Is it reasonable for 3 banks to all go out at the same time? I did get a Check Emissions System code but...