Thanks for the helpful reply. Unfortunately I won't be able to afford the monkeywrenchracing options, but I'm going to look further into the eBay listing since it specifies the XRS. I've seen other eBay listings for cats that are advertised as being compatible with both the XR/Base/1ZZFE and XRS/GT/...

Hi friends. I've got a 2003 Toyota Matrix XRS that needs a new catalytic converter due to a rust hole forming. Naturally it's also throwing CEL codes. I'm trying to tackle this on a budget, but I need to confirm if I need to source a new cat that is specifically for the GT's/XRS' 2ZZ-GE engine, or i...