HomeExhaust > Catalytic ConverterMagnaFlow 452843 Catalytic Converter with Integrated Exhaust Manifold - Front
Part #: 452843

MagnaFlow 452843 Catalytic Converter with Integrated Exhaust Manifold - Front

Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS, Front
⚙️ 11 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: Lexus, GS300 and IS300
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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 452843) is designed specifically for Lexus GS300 and IS300 models. This direct-fit catalytic converter with integrated exhaust manifold offers a stainless steel construction and ceramic substrate for reliable emissions control and durability.

  • Direct-fit catalytic converter with integrated exhaust manifold
  • Constructed from stainless steel for corrosion resistance
  • Ceramic substrate material for effective catalytic conversion
  • 2.5-inch main piping diameter for optimal exhaust flow
  • Bolt-on inlet type for straightforward installation
  • Includes mounting hardware for secure fitment
  • Oxygen sensor locations pre and post converter for accurate emissions monitoring
  • Compatible with Lexus GS300 and IS300 models

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

The Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS line by MagnaFlow combines the exhaust manifold and catalytic converter into a single assembly. This design simplifies installation and reduces potential leak points. The stainless steel construction and ceramic substrate meet California emissions standards, making it suitable for vehicles requiring compliant replacement parts.

Detailed Product Description

This MagnaFlow catalytic converter with integrated exhaust manifold (Part Number 452843) is engineered for direct-fit replacement on Lexus GS300 and IS300 vehicles. The stainless steel converter body and tube material provide enhanced durability and corrosion resistance, while the ceramic substrate ensures efficient catalytic conversion of harmful exhaust gases. The 2.5-inch main piping diameter supports proper exhaust flow, and the bolt-on inlet type allows for a secure and precise fit. Oxygen sensor ports located before and after the converter enable accurate emissions monitoring and system performance.

Common Applications and Problem Solving

  • Replacement for damaged or clogged catalytic converters on Lexus GS300 and IS300
  • Restores proper emissions control to meet California regulations
  • Eliminates exhaust leaks caused by manifold or converter failure
  • Improves engine performance by maintaining optimal exhaust flow
  • Resolves check engine light issues related to oxygen sensor readings

Installation Notes and Tips

This part is designed as a direct-fit replacement, matching OEM specifications for the Lexus GS300 and IS300. The bolt-on inlet type facilitates installation without modification. Ensure oxygen sensors are properly installed in the pre and post converter locations to maintain accurate emissions data. It is recommended to inspect related exhaust components during installation for any additional wear or damage.

Quality Assurance and Warranty

Manufactured by MagnaFlow, this catalytic converter with integrated exhaust manifold is constructed from high-grade stainless steel and features a ceramic substrate for long-lasting performance. The product meets California emissions standards, ensuring compliance and reliability. Warranty details should be confirmed with the manufacturer or authorized distributor.

BrandMagnaFlow
Part Number452843
PositionExhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS, Front
Grade TypeRegular
Substrate MaterialCeramic
Air Tube AdaptableNo
Converter Body MaterialStainless steel
Converter Quantity2
Converter Tube MaterialStainless steel
FinishStainless steel
Inlet TypeBolt-on
Main Piping Diameter2.5
MaterialStainless steel
Mounting Hardware IncludedYes
Oxygen Sensor LocationPre and post converter
TypeDirect-fit

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005LexusGS3003.0LL6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 5TYXV03.0VMA; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2005LexusIS3003.0LL6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 5TYXV03.0VMA; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2004LexusGS3003.0LL6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 4TYXV03.0VMD; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2004LexusIS3003.0LL6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 4TYXV03.0VMD; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2003LexusGS3003.0LL6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 3TYXV03.0FFF; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2003LexusIS3003.0LL6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 3TYXV03.0FFF; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2002LexusGS3003.0LL6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 2TYXV03.0FFF; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2002LexusIS3003.0LL6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 2TYXV03.0FFF; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2001LexusGS3003.0LL6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 1TYXV03.0FFE; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2001LexusIS3003.0LL6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number 1TYXV03.0FFE; Exhaust Manifold with Integrated Catalytic Converter CALIFORNIA CONVERTERS
2000LexusGS3003.0LL6FrontCertification Level : LEV1 LEV; CARB Executive Order D-193-124; Engine Family Number YTYXV03.0FFD; 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:

17140-4603017140-4608017140460301714046080

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