MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit underbody catalytic converter (280121) for the 2016-2021 Honda Civic 2.0L (also fits the 2023-2025 Honda HR-V 2.0L). Spun-body, mandrel-bent 409 stainless tubing with a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding and includes one nut, three bolts and three flange gaskets. Federal/EPA compliant (not for sale in California).
| Type | Direct-fit catalytic converter (underbody) |
| Grade | OEM Grade |
| Material | 409 stainless steel |
| Hardware | 1 nut, 3 bolts, 3 flange gaskets included |
| OEM Replacement | 18150-5BA-A00, 18150-5BA-L00 |
| Position | Underbody |
| Emissions | Federal/EPA compliant (not for CA) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2018 | Honda | Civic | EX |
| 2016-2021 | Honda | Civic | LX |
| 2016-2018 | Honda | Civic | LX-P |
| 2019-2021 | Honda | Civic | Sport |
| 2017-2020 | Honda | Civic | Type R |
| 2023-2025 | Honda | HR-V | EX-L |
| 2023-2025 | Honda | HR-V | LX |
| 2023-2025 | Honda | HR-V | Sport |
