Description
Designed to restore OEM-grade emission performance on the 2017-2019 Audi Q7 with a V6 engine, this MagnaFlow OEM-grade direct-fit catalytic converter (Part 21-813) keeps the check engine light off while meeting Federal/EPA emissions standards. It features free-flowing mandrel-bent tubing, highly corrosion-resistant stainless steel construction, and a precise OE-style fit that can be installed with standard tools—no cutting or welding required. MagnaFlow's advanced metrology ensures the part matches the OE spun-body design, while a single laser fusion weld minimizes leaks. The compact, low-mass design enhances thermal efficiency, and gaskets and hardware are included to prevent leaks without reusing corroded factory parts. This direct-fit converter interchanges with OE parts 4M0 254 252 RX and 4M0 254 252 AX, and is designed specifically for Audi Q7 Premium, Premium Plus, and Prestige trims.
Features:
- Free-flowing mandrel-bent tubing for optimal exhaust flow
- OEM-grade stainless steel construction resists corrosion
- Direct-fit bolt-on installation, no cutting
- 3D metrology-assisted fit for OE accuracy
- Spun body design with laser fusion weld
- Includes gaskets and mounting hardware
- EPA/Federal emission compliant for legal operation
- Interchanges with OE parts 4M0 254 252 RX/AX
Vehicle Fitment:
- 2017–2019 Audi Q7 Premium
- 2017–2019 Audi Q7 Premium Plus
- 2017–2019 Audi Q7 Prestige
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