HomeExhaust > Catalytic ConverterMagnaFlow 452021 Catalytic Converter with Integrated Exhaust Manifold - Front
Part #: 452021

MagnaFlow 452021 Catalytic Converter with Integrated Exhaust Manifold - Front

Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS, Front
⚙️ 18 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS, Front
🚗Fitment: Hyundai and Kia, Optima, Sonata, and Tiburon
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Overview of MagnaFlow Exhaust Manifold with Integrated Catalytic Converter

The MagnaFlow Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS (Part Number 452021) is designed specifically for Hyundai and Kia vehicles, including the Optima, Sonata, and Tiburon models. This direct-fit catalytic converter combines the exhaust manifold and catalytic converter into a single unit, ensuring efficient emissions control and simplified installation.

  • Direct-fit catalytic converter with integrated exhaust manifold
  • Constructed from durable stainless steel for corrosion resistance
  • Ceramic substrate material for effective catalytic conversion
  • Bolt-on inlet and outlet for straightforward installation
  • Pre and post converter oxygen sensor locations for accurate emissions monitoring
  • Main piping diameter of 1.5 inches to match OEM specifications
  • Compatible with Hyundai Optima, Sonata, and Kia Tiburon models

Product Line Details: Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS

The Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS product line by MagnaFlow is engineered to meet California emissions standards. This line integrates the catalytic converter directly into the exhaust manifold, reducing the number of components and potential leak points. The stainless steel construction and ceramic substrate ensure durability and effective emissions reduction, making it suitable for vehicles requiring strict compliance with environmental regulations.

Technical Description and Features

This catalytic converter with integrated exhaust manifold features a stainless steel converter body and tube, providing resistance to rust and heat. The ceramic substrate inside facilitates the chemical reactions needed to reduce harmful emissions. The bolt-on inlet and outlet design allows for a direct-fit installation without modifications. Oxygen sensor ports are located both before and after the converter to maintain proper engine management and emissions control. The 1.5-inch main piping diameter matches factory specifications for the Hyundai Optima, Sonata, and Kia Tiburon, ensuring optimal exhaust flow and performance.

Applications and Problem Solving

  • Replaces faulty or damaged catalytic converters in Hyundai Optima, Sonata, and Kia Tiburon
  • Addresses check engine light issues related to emissions system faults
  • Helps restore proper oxygen sensor readings with pre and post converter sensor locations
  • Improves exhaust flow and reduces emissions to meet California standards
  • Eliminates exhaust leaks caused by manifold or converter damage

Installation Notes and Tips

This part is designed as a direct-fit replacement, compatible with factory mounting points and hardware. The bolt-on inlet and outlet simplify installation, but it is recommended to verify oxygen sensor locations and wiring before removal of the old unit. Proper torque specifications should be followed to avoid exhaust leaks. Professional installation is advised to ensure compliance with emissions regulations and optimal performance.

Quality Assurance and Warranty

MagnaFlow manufactures this catalytic converter with integrated exhaust manifold using high-quality stainless steel and ceramic substrates to ensure durability and long service life. The product meets or exceeds OEM standards for fit and function. Warranty information is available through MagnaFlow and may vary by region; customers should consult the manufacturer for specific warranty details related to part number 452021.

BrandMagnaFlow
Part Number452021
PositionExhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS, Front
Grade TypeRegular
Substrate MaterialCeramic
Air Tube AdaptableNo
Converter Body MaterialStainless steel
Converter Quantity1
Converter Tube MaterialStainless steel
FinishStainless steel
Inlet TypeBolt-on
Main Piping Diameter1.5
MaterialStainless steel
Mounting Hardware IncludedYes
Outlet TypeBolt-on
Oxygen Sensor LocationPre and post converter
TypeDirect-fit

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006HyundaiTiburon2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 6HYXV02.7KL9; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2006KiaOptima2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 6KMXV02.7SL9; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2005HyundaiSonata2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 5HYXV02.7FL9; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2005HyundaiTiburon2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 5HYXV02.7KL9; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2005HyundaiTiburon2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 5HYXV02.7FL9; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2005KiaOptima2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 5KMXV02.7SL9; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2004HyundaiSonata2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 4HYXV02.7FL9; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2004HyundaiTiburon2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 4HYXV02.7KL9; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2004KiaOptima2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 4KMXV02.7E03; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2003HyundaiSonata2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 3HYXV02.7FLS; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2003HyundaiTiburon2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 3HYXV02.7KLS; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2003KiaOptima2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 3KMXV02.7E02; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2002HyundaiSonata2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 2HYXV02.7FLS; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2002KiaOptima2.7LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 2KMXV02.7E01; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2001HyundaiSonata2.5LV6FrontCertification Level : TLEV; CARB Executive Order D-193-124; Engine Family Number 1HYXV02.5F2S; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2001KiaOptima2.5LV6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 1KMXV02.5EO1; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2000HyundaiSonata2.5LV6FrontCertification Level : TLEV; CARB Executive Order D-193-124; Engine Family Number YHYXV02.5G2S; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
1999HyundaiSonata2.5LV6FrontCertification Level : TLEV; CARB Executive Order D-193-124; Engine Family Number XHYXV02.52ES; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

28510-3716228510-3738128510371622851037381

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.