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MagnaFlow direct‑fit catalytic converter 21‑486 is an OEM‑grade replacement designed for compatibility with specified Mercedes‑Benz underbody applications and interchanges with OE part numbers 166 490 16 14 and 166 490 16 14 80. Built to meet Federal emissions requirements, it features mandrel‑bent tubing and a compact spun‑body design intended to install without cutting or welding using the included hardware.
MagnaFlow Direct Fit Catalytic Converter 13-14 Mercedes-Benz GL450 V8 4.6 OEM Underbody