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) |
| Part Number | 50603 |
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 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
