Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-571. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed specifically for the 2013-2020 Mercedes-Benz SL550 and interchanges with OE parts 231 490 19 19 64 and 231 490 19 19. Hardware is included to eliminate the hassle of working with corroded factory parts. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Magnaflow 21-571 OEM Grade Direct-Fit Catalytic Converte Features:

• Torca AccuSeal® Exhaust Clamps provide a full 360-degree equally distributed clamping force preventing pipe distortion while creating a complete seal and maintaining serviceability
• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
• Simplifies installation with essential gaskets and hardware being included in the box
• Durable 308 stainless steel MIG welds