MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit underbody catalytic converter (280343) for the 2018-2020 Audi Q5. Spun-body 409 stainless construction with mandrel-bent tubing and a single laser-fusion weld replicates the OE design for smooth exhaust flow and a leak-resistant seal; installs with no cutting or welding and includes gaskets and hardware. Federal/EPA compliant for OBDII Federally registered vehicles (not for CA).
Specifications
| Type | Direct-fit catalytic converter (underbody) |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| Hardware | Gaskets & hardware included |
| OEM Replacement | 80A 254 252 G |
| Position | Underbody |
| Emissions | Federal/EPA compliant (not for CA) |
| Part Number | 280343 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2020 | Audi | A4 | Premium |
| 2017-2020 | Audi | A4 | Premium Plus |
| 2017-2020 | Audi | A4 | Prestige |
| 2019 | Audi | A4 | Titanium |
| 2018-2020 | Audi | A5 Quattro | Premium |
| 2018-2020 | Audi | A5 Quattro | Premium Plus |
| 2018-2020 | Audi | A5 Quattro | Prestige |
| 2018-2020 | Audi | A5 Sportback | Premium |
| 2018-2020 | Audi | A5 Sportback | Premium Plus |
| 2018-2020 | Audi | A5 Sportback | Prestige |
| 2018-2020 | Audi | Q5 | Premium |
| 2018-2020 | Audi | Q5 | Premium Plus |
| 2018-2020 | Audi | Q5 | Prestige |
| 2020 | Audi | Q5 | Titanium Premium |
| 2020 | Audi | Q5 | Titanium Premium Plus |
| 2020 | Audi | Q5 | Titanium Prestige |
| 2017-2019 | Audi | Q7 | Premium |
| 2017-2019 | Audi | Q7 | Premium Plus |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
