2004 Lexus GS300 Exhaust Parts

Essential 2004 Lexus GS300 Exhaust Parts

Ishino – Exhaust Gasket (Part No.H4000156989ISH)

Exhaust Gasket

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$4.00
Exhaust Gasket

Walker – Donut Exhaust Pipe Flange Gasket: Fiber, Heat Resistant, Premium Materials (Part No.31332)

Donut Exhaust Pipe Flange Gasket: Fiber, Heat Resistant, Premium Materials

from

$4.49
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15036)

Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed

from

$103.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Universal Catalytic Converters are available for pre-OBDII (1995 and older) vehicles.

Product Features:
  • EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED — Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • 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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MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.444106)

California Grade CARB Compliant Universal Catalytic Converter

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$327.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444106 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.337105)

California Grade CARB Compliant Universal Catalytic Converter

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$290.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 337105 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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HJS – Exhaust Hanger (Part No.H8050174953HJS)

Exhaust Hanger

from

$10.66
Exhaust Hanger

Dorman – Help – Exhaust Stud Kit – M10-1.25 x 40mm (Part No.03105)

Exhaust Stud Kit - M10-1.25 x 40mm

from

$10.49
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.

Product Features:
  • Direct replacement for a proper fit every time
  • Durable steel construction
  • New hardware helps fix exhaust leaks
  • Also available in the Exhaust Manifold Hardware Kit
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Walker – Exhaust 36400 Exhaust Pipe Spout (Part No.36400)

Exhaust 36400 Exhaust Pipe Spout

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$71.99
Made from quality material for durability, Walker exhaust spout pipes are available in a variety of styles and sizes for direct-fit or universal application. 

Product Features:
  • RESISTS CORROSION — Durable aluminized steel for corrosion resistance and performance 
  • SECURE FIT — Burr-free construction for proper fitment 
  • BETTER TOGETHER — Use quality Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade 
  • EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
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MagnaFlow – OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.49995)

OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

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$905.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49995. 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. This direct-fit catalytic converter is designed specifically for the 2006 Lexus GS300 and interchanges with OE part 17140-31030. 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 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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Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-642)

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

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$627.99
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.49283)

OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$1614.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49283. 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 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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Mahle – Cat. Converter Gaske (Part No.H4001157291MAH)

Cat. Converter Gaske

from

$5.59
Cat. Converter Gaske

Ishino – Exhaust Gasket (Part No.H4000156997ISH)

Exhaust Gasket

from

$7.26
Exhaust Gasket

Ishino – Exhaust Gasket (Part No.H4000157167ISH)

Exhaust Gasket

from

$4.57
Exhaust Gasket

Ishino Stone – Exhaust Manifold Gasket (Part No.A8111272613ISH)

Exhaust Manifold Gasket

from

$23.43
Exhaust Manifold Gasket

Ishino Stone – Exhaust Manifold Gas (Part No.A8111179883ISH)

Exhaust Manifold Gas

from

$11.48
Exhaust Manifold Gas

Felpro – Exhaust Manifold Gasket Set (Part No.MS 96795)

Exhaust Manifold Gasket Set

from

$15.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Contains all gaskets and seals to remove and replace exhaust manifold
  • Contains all gaskets and seals to remove and replace exhaust manifold
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Victor Reinz – Exhaust Manifold Gasket Set (Part No.15-42846-01)

Exhaust Manifold Gasket Set

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$20.29
As you would expect, extremely high temperatures are the sealing challenge for exhaust manifold gaskets. Victor Reinz has a long heritage of supplying manifold gaskets to original equipment vehicle manufacturers. Therefore, Victor Reinz exhaust manifold gaskets meet OE specifications on a wide range of vehicles, covering the most recent high-tech engine designs and going back decades to the muscle car era.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Walker – Exhaust 35725 Exhaust System Hanger Insulator (Part No.35725)

Exhaust 35725 Exhaust System Hanger Insulator

from

$6.99
Complete your exhaust repair with Walker® insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.

Product Features:
  • OE DESIGN — Designed with OE-style features for easy installation and fit
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Walker – Exhaust 35352 Exhaust System Hanger Insulator (Part No.35352)

Exhaust 35352 Exhaust System Hanger Insulator

from

$11.29
Complete your exhaust repair with Walker® insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.

Product Features:
  • OE DESIGN — Designed with OE-style features for easy installation and fit
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Felpro – Exhaust Pipe Flange Gasket (Part No.23591)

Exhaust Pipe Flange Gasket

from

$5.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.61460)

Exhaust Pipe Flange Gasket

from

$21.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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BRExhaust – Exhaust Flange Gasket (Part No.256-214)

Exhaust Flange Gasket

from

$5.29
BRExhaust replacement exhaust brackets make repairs easy. Each gasket has been engineered to according to OE standards to ensure a gas-tight connection and precise fitment. Utilizing the OE specifications also makes installation easy.

Product Features:
  • Designed to facilitate hassle-free exhaust repair
  • Precise fitment
  • Manufactured from quality materials to ensure maximum durability
  • Designed for a leak free connection
  • OE structure and design
  • Built to OEM specifications
  • Secure gas-tight connection
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Felpro – Exhaust Pipe Flange Gasket (Part No.60906)

Exhaust Pipe Flange Gasket

from

$7.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

HJS – Exhaust Gasket (Part No.H4000157030HJS)

Exhaust Gasket

from

$4.73
Exhaust Gasket

Walker – Ring Exhaust Pipe Flange Gasket: Fiber with Metal, Heat Resistant, Premium Materials (Part No.31585)

Ring Exhaust Pipe Flange Gasket: Fiber with Metal, Heat Resistant, Premium Materials

from

$4.29
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

Walker – Donut Exhaust Pipe Flange Gasket: Fiber with Metal, Heat Resistant, Premium Materials (Part No.31374)

Donut Exhaust Pipe Flange Gasket: Fiber with Metal, Heat Resistant, Premium Materials

from

$5.29
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.60495)

Exhaust Pipe Flange Gasket

from

$5.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

2004 Lexus GS300 Exhaust Parts

You count on your 2004 Lexus GS300 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Exhaust Parts. With 24 Exhaust Parts ranging in price from $3.37 to $1,614.99, you’re sure to find everything you need for your 2004 Lexus GS300.

Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 8 different brands like Walker, Felpro, and BRExhaust. 2004 Lexus GS300 Exhaust Parts start as low as $3.37!

One of the best ways to find top quality OEM or aftermarket Exhaust Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 161 extensive product reviews on 2004 Lexus GS300 Exhaust Parts. Some of the top-rated Exhaust Parts products we carry are Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed with 5.0 stars.

Did we mention you can order your Exhaust Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Exhaust Parts inventory for your 2004 Lexus GS300 below to get started!

Top-Rated Exhaust Parts Brands For Your 2004 Lexus GS300

Trusted Exhaust Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2004 Lexus GS300 running right for years to come. In our inventory you’ll find brands like Walker, Felpro, BRExhaust, and even more.

Popular BRExhaust Exhaust Parts

You’ll find popular BRExhaust brand products across Exhaust Pipes. All are waiting to get your 2004 Lexus GS300 back on the road. Some of the top-rated BRExhaust products in these categories are:
Exhaust Flange Gasket
from $5.29
(1)
Exhaust Flange Gasket
Exhaust Pipe and Flange Gaskets

Top-Rated Walker Exhaust Parts


If Walker are what you’re looking for, our inventory holds plenty. We stock Walker brand Exhaust Parts for your 2004 Lexus GS300, and some of our most reviewed Walker parts include:

FAQs for 2004 Lexus GS300 Exhaust Parts

What are the most purchased Exhaust Parts for the 2004 Lexus GS300?

Out of 24 Exhaust Parts for the 2004 Lexus GS300, the most popular in our inventory are:
Exhaust 35725 Exhaust System Hanger Insulator
from $6.99
(21)
Exhaust 35725 Exhaust System Hanger Insulator
Exhaust System Insulators
Exhaust 35352 Exhaust System Hanger Insulator
from $11.29
(13)
Exhaust 35352 Exhaust System Hanger Insulator
Exhaust System Insulators
Exhaust Pipe Flange Gasket
from $5.49
(20)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets

What are the top-rated 2004 Lexus GS300 Exhaust Parts?

Top-rated Exhaust Parts for your 2004 Lexus GS300 based on customer reviews/ratings are: