How to know if your converter is aftermarket?

Aftermarket catalytic converters usually contain a lot less precious metals than OEM. This means that their value will be low.


There are some signs to look for in order to recognize an aftermarket converter: 

● They may have a silver shield on them. 

● Arrow on the shield.

● Many codes will begin with N. for example NCE, NAT, NT, NGE. 

● Aftermarket cats are usually lighter.


Here are some examples: