MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit catalytic converter (21-581) for the 2015-2020 Volkswagen GTI and 2015-2018 Golf 2.0L. Spun-body 16-gauge 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 gaskets and hardware. Interchanges with OE parts 5Q0 254 501 NX and 5QM 254 501 G. Federal/EPA compliant (not legal for sale in California) for OBDII Federally registered vehicles.
| Type | Direct-fit catalytic converter |
| Grade | OEM Grade |
| Material | 16-gauge 409 stainless steel (spun body) |
| Hardware | Gaskets and hardware included |
| OEM Replacement | 5Q0 254 501 NX, 5QM 254 501 G |
| Emissions | Federal/EPA compliant (not for CA) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2018 | Audi | A3 | Premium |
| 2015-2018 | Audi | A3 | Premium Plus |
| 2015-2018 | Audi | A3 | Prestige |
| 2017-2020 | Audi | A3 Quattro | Premium |
| 2017-2020 | Audi | A3 Quattro | Premium Plus |
| 2017-2019 | Audi | A3 Quattro | Prestige |
| 2016 | Volkswagen | Golf | Base |
| 2016-2018 | Volkswagen | Golf | S |
| 2015-2016,2018 | Volkswagen | Golf | SE |
| 2015-2016 | Volkswagen | Golf | SEL |
| 2017 | Volkswagen | Golf | Wolfsburg Edition |
| 2016 | Volkswagen | Golf SportWagen | Limited Edition |
| 2015-2019 | Volkswagen | Golf SportWagen | S |
| 2015-2018 | Volkswagen | Golf SportWagen | SE |
| 2015-2018 | Volkswagen | Golf SportWagen | SEL |
| 2015-2021 | Volkswagen | GTI | Autobahn |
| 2019 | Volkswagen | GTI | Rabbit Edition |
| 2015-2021 | Volkswagen | GTI | S |
| 2015-2021 | Volkswagen | GTI | SE |
| 2017 | Volkswagen | GTI | Sport |
| 2019 | Volkswagen | Jetta | GLI 35th Anniversary Edition |
| 2024 | Volkswagen | Jetta | GLI 40th Anniversary Edition |
| 2019-2024 | Volkswagen | Jetta | GLI Autobahn |
| 2019-2021 | Volkswagen | Jetta | GLI S |
