The aFe POWER direct-fit rear catalytic converter for 2016–2019 Mazda MX-5 Miata (ND) 2.0L replaces the factory unit with a mandrel-bent 409 stainless steel one-piece design. It is 100% MIG-welded for strength, retains the factory O2 sensors for straightforward installation, and is presented as an EPA-compliant direct-fit replacement that uses factory mounting locations for a simple swap.
aFe Power Direct Fit Catalytic Converter 16-19 Mazda MX-5 Miata (ND) L4-2.0L - Rear