MagnaFlow HM-Grade Federal/EPA-compliant direct-fit catalytic converter (50603) for the 1998-2005 Lexus GS300 and 2001-2005 Lexus IS300 (also fits SC300 and Supra). Spun-body 409 stainless construction 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. Federal/EPA compliant (not for sale in California); OBDII.
| Type | Direct-fit catalytic converter |
| Grade | HM Grade |
| Material | 409 stainless steel (spun body) |
| Hardware | Gaskets included |
| OEM Replacement | 17140-46030, 17140-46080 |
| Emissions | Federal/EPA compliant (not for sale in California) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998-2005 | Lexus | GS300 | Base |
| 2001-2005 | Lexus | IS300 | Base |
| 2002-2005 | Lexus | IS300 | Sportcross |
| 1998-2000 | Lexus | SC300 | Base |
| 1997-1998 | Toyota | Supra | Base |
| 1997-1998 | Toyota | Supra | Twin Turbo |
