I came across this site not sure if it is helpful or not to locate after market CC https://carbcats.com/ One more question, how about O2 sensor, I think Denso is the OEM, but not sure.
You see how the Magnaflow part 5631455 is the same for both EFN's. If you really want a Magnaflow cat then just select the EFN they show and order the 5631455 anyway, its the same part. You could also go the basic route and get OEM for less money.
Thanks for all help I am getting here. One more question what is the part number for the O2 sensor, I am also looking to buy a used gen 4 prius 2016-2017 .
Same thing happened to me, catalytic converters stolen from both my 2010 Priuses over the weekend. I'm wondering if I can get away with a cheaper aftermarket replacement here in Virginia. My test group (from the sticker under the hood) is: ATYXV01.8HC3 I'm looking at MagnaFlow Part #52455 ($1174). My local muffler shop uses parts from AP Exhaust, which sells Part # 642889 ($748 online at Discount Converters). Will either of these work in my car without triggering the check engine light? Are there any other options I overlooked? Thanks for any help you can offer!