MagnaFlow mag50603 - Manifold Catalytic Converter

Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50603. 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. Designed to fit the 1998-2005 Lexus GS300, 2001-2005 Lexus IS300, and more, this direct-fit catalytic converter also interchanges with OE parts 17140-46030 and 17140-46080. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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 Federal/EPA Emission systems. Magnaflow HM Grade Manifold Catalytic Converter Not legal for sale or installation in California; Colorado or New York.

• 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
• 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
• Your Trusted Source For EPA-Compliant Catalytic Converters
• Durable 308 stainless steel MIG welds

Keep the check engine light off with the MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter, part number mag50603. Designed to replicate the original equipment spun-body design, this replacement converter provides OEM-like flow dynamics while supporting factory performance and fuel efficiency.

Key Features & Performance Benefits

• Federal/EPA Compliant: Designed to meet or exceed Federal emissions requirements for OBDII vehicles with Federal/EPA emission systems.
• Direct-Fit Design: Replicates the OE spun-body configuration for fit and function like the original equipment.
• Efficient Exhaust Flow: Mandrel-bent tubing helps maintain OEM-like geometry for smooth exhaust flow.
• Durable Construction: 409 stainless steel tubing and 308 stainless steel MIG welds provide corrosion resistance and durability.

Key Product Specifications & Technical Data

• Brand: MagnaFlow
• Part Number: mag50603
• Product Type: Manifold catalytic converter
• Grade: HM Grade
• Fitment Type: Direct-fit
• Emissions Compliance: Federal/EPA compliant
• Tubing Material: 16-gauge 409 stainless steel
• Weld Material: 308 stainless steel MIG welds

What's Included in the Box

Gaskets and hardware are included. This catalytic converter is not legal for sale or installation in California, Colorado, or New York.

Fitment

Fits 1998–2005 Lexus GS300 and 2003 Lexus IS300 applications listed in the provided fitment data. It interchanges with OE parts 17140-46030 and 17140-46080.

Fitments:
1997 Toyota Supra Base
1997 Toyota Supra Twin Turbo
1998 Lexus GS300 Base
1998 Lexus SC300 Base
1998 Toyota Supra Base
1998 Toyota Supra Twin Turbo
1999 Lexus GS300 Base
1999 Lexus SC300 Base
2000 Lexus GS300 Base
2000 Lexus SC300 Base
2001 Lexus GS300 Base
2001 Lexus IS300 Base
2002 Lexus GS300 Base
2002 Lexus IS300 Base
2002 Lexus IS300 Sportcross
2003 Lexus GS300 Base
2003 Lexus IS300 Base
2003 Lexus IS300 Sportcross
2004 Lexus GS300 Base
2004 Lexus IS300 Base
2004 Lexus IS300 Sportcross
2005 Lexus GS300 Base
2005 Lexus IS300 Base
2005 Lexus IS300 Sportcross

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: N
Part Type: automotive
Epa: Compliant
Regular Stock: t
Units Per Sku: 1