2003 Lexus ES300 Exhaust Manifold and Headers

Essential 2003 Lexus ES300 Exhaust Manifold and Headers

Walker – EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed (Part No.16466)

EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed

from

$608.99
Designed to comply with EPA emissions requirements while delivering premium performance with assured compliance, Walker® Ultra® EPA-Compliant Manifold Converters are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:
  • EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN — Bolt-off, bolt-on OE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connections
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE — Features thick OE-style flanges and manifolds for strength and durability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
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Walker – CalCat Manifold Converter- CARB Certified, Direct Replacement, No Fabrication Needed (Part No.82552)

CalCat Manifold Converter- CARB Certified, Direct Replacement, No Fabrication Needed

from

$943.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Manifold Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit.

Product Features:
  • CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
  • DIRECT-FIT DESIGN — Bolt-off, bolt-on OE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connections
  • SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and stainless-steel body with aluminized pipe and heat shields for durability
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Walker – CalCat Manifold Converter- CARB Certified, Direct Replacement, No Fabrication Needed (Part No.81843)

CalCat Manifold Converter- CARB Certified, Direct Replacement, No Fabrication Needed

from

$582.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Manifold Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit.

Product Features:
  • CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
  • DIRECT-FIT DESIGN — Bolt-off, bolt-on OE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connections
  • SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and stainless-steel body with aluminized pipe and heat shields for durability
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Dorman – Manifold Converter – Carb Compliant – For Legal Sale In NY – CA – ME (Part No.673-873)

Manifold Converter - Carb Compliant - For Legal Sale In NY - CA - ME

from

$588.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50821)

HM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$849.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50821. 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 2002-2006 Toyota Camry and 2002-2003 Lexus ES300, this direct-fit catalytic converter also interchanges with OE parts 25052-20170 and 25052-20140, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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.

Product Features:
  • 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, providing assurance of genuine compliance while delivering quality that will last.
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Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-882)

Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

from

$535.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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MagnaFlow – OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.49311)

OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$1062.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49311. 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 2002-2006 Toyota Camry and 2002-2003 Lexus ES300, this direct-fit catalytic converter also interchanges with OE parts 25052-20170 and 25052-20140, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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 California or Federal/EPA Emission systems.

Product Features:
  • 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, providing assurance of genuine compliance while delivering quality that will last.
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MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50795)

HM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$445.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50795. 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 1997-2004 Toyota Avalon, 1998-2003 Toyota Sienna, and more, this direct-fit catalytic converter also interchanges with OE parts 25052-20090 and 25052-20110, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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.

Product Features:
  • 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, providing assurance of genuine compliance while delivering quality that will last.
See More

2003 Lexus ES300 Exhaust Manifold and Headers

Maybe you’re in the middle of a full rebuild of that 2003 Lexus ES300. Maybe you just need a couple of Exhaust Manifold and Headers. Either way, Advance Auto Parts has 6 different Exhaust Manifold and Headers in our inventory ranging from $535.99 to $1,062.99. That means you can find the exact parts or products you need to keep that 2003 Lexus ES300 running smoothly.

Exhaust Manifold and Headers are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Lexus ES300. Dorman, Walker, and MagnaFlow are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Exhaust Manifold and Headers for your 2003 Lexus ES300, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Exhaust Manifold and Headers to keep your 2003 Lexus ES300 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Exhaust Manifold and Headers Brands To Make Your 2003 Lexus ES300 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Lexus ES300 demands trusted brand parts and products to keep it running. Many trusted brands of Exhaust Manifold and Headers make up Advance Auto Parts’ inventory, and all are ready to help make your ES300 the best it can be. Be sure to browse some of our top Exhaust Manifold and Headers brands and parts.

FAQs for 2003 Lexus ES300 Exhaust Manifold and Headers

What are the most purchased Exhaust Manifold and Headers for the 2003 Lexus ES300?

Out of 6 Exhaust Manifold and Headers for the 2003 Lexus ES300, the most popular in our inventory are:
EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed
from $608.99
This product is not rated
EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed
Exhaust Manifold and Headers
Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME
from $535.99
This product is not rated
Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME
Exhaust Manifold and Headers
Manifold Converter - Carb Compliant - For Legal Sale In NY - CA - ME
from $588.99
This product is not rated
Manifold Converter – Carb Compliant – For Legal Sale In NY – CA – ME
Exhaust Manifold and Headers