MagnaFlow 452487 Catalytic Converter with Integrated Exhaust Manifold
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MagnaFlow
 Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS

MagnaFlow 452487 Catalytic Converter with Integrated Exhaust Manifold

Brand MagnaFlow 452487
Grade Type Regular
Substrate Material Ceramic
Overall Length 15.875
Air Tube Adaptable No
Converter Body Material Stainless steel
Converter Quantity 1
Converter Tube Material Stainless steel
Finish Stainless steel
Inlet Type Bolt-on
Main Piping Diameter 2.5
Material Stainless steel
Mounting Hardware Included Yes
Outlet Type Bolt-on
Oxygen Sensor Location Pre converter
Type Direct-fit
Product line Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
Fits Scion and Toyota · 4 vehicles

Direct-fit replacement. Installs with bolt-on connections and no cutting or welding required.

Stainless steel construction. Resists corrosion for long-lasting exhaust durability.

CARB compliant. Meets California Air Resources Board requirements for legal use in restricted states.

Cross-references 25051-28220, 25051-28430 and 2505128220 for the same application. See all 4.

$723.54Free shipping
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Order total $723.54
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Catalytic Converter with Integrated Exhaust Manifold options

California Grade Direct-Fit Converter

MagnaFlow 452487 is a California Grade CARB-compliant direct-fit catalytic converter with an integrated exhaust manifold design for specific Toyota and Scion applications. It is built for direct replacement on the 2004-2005 Toyota RAV4 and 2005-2006 Scion tC, with OE-style fitment and bolt-on installation.

The MagnaFlow California Converters line focuses on emissions-compliant replacement parts engineered for vehicles that must meet California Air Resources Board requirements. For drivers searching for a 2004 Toyota RAV4 catalytic converter replacement or a 2005 Scion tC exhaust manifold with integrated catalytic converter, this part number 452487 is built to match the original layout and emissions function.

  • CARB-compliant direct-fit catalytic converter for California and CARB-restricted states
  • Integrated exhaust manifold design with bolt-on inlet and outlet
  • Stainless steel converter body and tubing for corrosion resistance
  • Ceramic substrate material
  • Mandrel-bent tubing and OE-style spun body construction
  • Pre-converter oxygen sensor location
  • Includes mounting hardware and gaskets for installation
  • Interchanges with OE part 25051-28430

Fitment and Application Details

Fits 2006 Scion tC, N/A; certification level LEV1 ULEV; CARB Executive Order D-193-124; engine family 6TYXV02.4WMC. Fits 2005 Scion tC, N/A; certification level LEV1 ULEV; CARB Executive Order D-193-124; engine family 5TYXV02.4WMC. Fits 2005 Toyota RAV4, N/A; certification level LEV1 ULEV; CARB Executive Order D-193-124; engine family 5TYXT02.4WMH. Fits 2004 Toyota RAV4, N/A; certification level LEV1 ULEV; CARB Executive Order D-193-124; engine family 4TYXT02.4WMH.

What This Part Helps Address

  • Check engine light caused by a failed catalytic converter or manifold assembly
  • Emissions test failure related to converter efficiency
  • Exhaust leaks at the manifold-to-converter assembly
  • Corrosion or damage in the original factory exhaust manifold converter unit
  • Fitment issues when replacing an OE integrated manifold and converter assembly

Installation Notes

This direct-fit design installs without cutting or welding when used on the listed vehicles. Use the correct tools and verify the vehicle’s emissions certification, engine family, and California EO coverage before installation. The bolt-on design and included gaskets help reduce the chance of seal leakage and avoid reusing worn factory sealing components.

Quality Assurance

MagnaFlow uses 3D scanning during development to help ensure OE-style fit and function. The spun body design, single laser fusion weld, and stainless steel construction are engineered to support thermal efficiency and reduce leak points. This part is designed to meet or exceed CARB requirements for the listed applications.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006SciontC2.4LL4N/ACertification Level : LEV1 ULEV; Split Date To: To 5/1/2006; CARB Executive Order D-193-124; Engine Family Number 6TYXV02.4WMC; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2005SciontC2.4LL4N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-124; Engine Family Number 5TYXV02.4WMC; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2005ToyotaRAV42.4LL4N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-124; Engine Family Number 5TYXT02.4WMH; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2004ToyotaRAV42.4LL4N/ACertification Level : LEV1 ULEV; CARB Executive Order D-193-124; Engine Family Number 4TYXT02.4WMH; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
25051-2822025051-2843025051282202505128430