2004 Mazda 6 Exhaust Parts

Essential 2004 Mazda 6 Exhaust Parts

Mahle – Exh. Manifold Gasket (Part No.A8112648114MAH)

Exh. Manifold Gasket

from

$19.09
Exh. Manifold Gasket

Felpro – Exhaust Manifold Gasket Set (Part No.MS 97121)

Exhaust Manifold Gasket Set

from

$37.49
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
  • 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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MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50575)

HM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$573.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50575. 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 2006-2008 Mazda 6 and interchanges with OE parts AJ48-20-50XC and AJ48-20-50X, 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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MagnaFlow – OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.51977)

OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

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$712.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51977. 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 2006-2008 Mazda 6 and interchanges with OE parts AJ48-20-55XC and AJ48-20-55X, 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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Walker – Exhaust 36445 Exhaust Pipe Spout (Part No.36445)

Exhaust 36445 Exhaust Pipe Spout

from

$26.99
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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BRExhaust – Direct-Fit Premium Front Pipe (Part No.750-561)

Direct-Fit Premium Front Pipe

from

$399.99
BRExhaust exhaust pipes are designed for easy bolt-on installations. Thicker gauge metal prevents the need for flow-resistant wrinkle bends, thereby enhancing overall exhaust performance. This pipe is engineered to meet OE specs to ensure performance, reliability and a precise factory-like fit. This part features a direct-fit design allowing for easy installation. If you are looking for a replacement exhaust pipe that will fit and perform exactly like the stock one while lasting even longer, BRExhaust is the brand you can rely on.

Product Features:
  • Manufactured according to strict OE standards
  • Sturdy design featuring premium-grade materials
  • Precise fitment
  • Hassle-free installation and functionality verified by comprehensive testing procedures
  • Easy installation
  • Direct-fit exhaust system component that saves installation time
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MagnaFlow – OEM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.51205)

OEM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$194.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205 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 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 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 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 Direct-Fit Catalytic Converter (Part No.24085)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$837.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24085. 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 2003-2006 Mazda 6 and interchanges with OE parts L304-20-55XF and L304-20-55XG, among others. 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 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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Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.84206)

CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

from

$265.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.

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.
  • 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
  • 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
  • BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty
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HJS – Exhaust Hanger (Part No.H8050174953HJS)

Exhaust Hanger

from

$10.99
Exhaust Hanger

BRExhaust – Exhaust Hanger (Part No.255-381)

Exhaust Hanger

from

$6.29
BRExhaust exhaust insulator mounts are high-quality replacements for original equipment hangers¿designed to fit right the first time. They’re manufactured from premium rubber and available for a variety of car, truck, and van applications. BRExhaust exhaust insulator mounts will help keep your components in the right position, resulting in a longer lifespan for your exhaust system.

Product Features:
  • Designed to facilitate hassle-free exhaust repair
  • Precise fitment
  • Manufactured from quality materials to ensure maximum durability
  • OE-style design for quality fit
  • Secure sealing for superior durability
  • Manufactured from quality materials to ensure maximum durability
  • Reduced vibration
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BRExhaust – Exhaust Hanger (Part No.255-145)

Exhaust Hanger

from

$8.29
BRExhaust exhaust insulator mounts are high-quality replacements for original equipment hangers¿designed to fit right the first time. They’re manufactured from premium rubber and available for a variety of car, truck, and van applications. BRExhaust exhaust insulator mounts will help keep your components in the right position, resulting in a longer lifespan for your exhaust system.

Product Features:
  • Designed to facilitate hassle-free exhaust repair
  • Precise fitment
  • Manufactured from quality materials to ensure maximum durability
  • OE-style design for quality fit
  • Secure sealing for superior durability
  • Manufactured from quality materials to ensure maximum durability
  • Reduced vibration
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Felpro – Exhaust Pipe Flange Gasket (Part No.23626)

Exhaust Pipe Flange Gasket

from

$3.99
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

Felpro – Exhaust Pipe Flange Gasket (Part No.60512)

Exhaust Pipe Flange Gasket

from

$7.99
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
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Walker – 2 Bolt Exhaust Pipe Flange Gasket: Metal with Fiber, Heat Resistant, Premium Materials (Part No.31640)

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

from

$3.99
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 – Donut Exhaust Pipe Flange Gasket: Graphite, Heat Resistant, Premium Materials (Part No.31673)

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

from

$8.29
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┬« accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Walker – 2 Bolt Exhaust Pipe Flange Gasket: Steel , Heat Resistant, Premium Materials (Part No.31534)

2 Bolt Exhaust Pipe Flange Gasket: Steel , Heat Resistant, Premium Materials

from

$6.49
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 – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.53567)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

from

$216.99
Combining the only broad-market stainless-steel construction with a direct fit OE-style replacement, Walker® Quiet-Flow® SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign vehicles.

Product Features:
  • CORROSION RESISTANT STAINLESS STEEL — The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on
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Walker – Exhaust 47812 Exhaust Resonator and Pipe Assembly (Part No.47812)

Exhaust 47812 Exhaust Resonator and Pipe Assembly

from

$208.99
Designed to fit, perform and sound like the original system, Walker® resonators use precise tuning technologies to deliver excellent flow characteristics and OE-style sound.

Product Features:
  • EASY TO INSTALL — Meticulous pipe routing and OE-style hardware, flanges, and brackets for fast, easy installation
  • RESISTS CORROSION — Durable aluminized steel construction and helps reduce corrosion
  • FACTORY SOUND — OE-style louvered tubes (where applicable) help reduce radiated noise for factory-style sound quality
  • STRONG AND DURABLE — Features thick OE-style flanges, hardware and brackets for strength
  • GET MORE MILES FROM YOUR RESONATOR ASSEMBLY — Engineered to fit, perform and sound like the original system
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Walker – Exhaust 56300 Exhaust Resonator and Pipe Assembly (Part No.56300)

Exhaust 56300 Exhaust Resonator and Pipe Assembly

from

$98.99
Designed to fit, perform and sound like the original system, Walker® resonators use precise tuning technologies to deliver excellent flow characteristics and OE-style sound.

Product Features:
  • EASY TO INSTALL — Meticulous pipe routing and OE-style hardware, flanges, and brackets for fast, easy installation
  • RESISTS CORROSION — Durable aluminized steel construction and helps reduce corrosion
  • FACTORY SOUND — OE-style louvered tubes (where applicable) help reduce radiated noise for factory-style sound quality
  • STRONG AND DURABLE — Features thick OE-style flanges, hardware and brackets for strength
  • GET MORE MILES FROM YOUR RESONATOR ASSEMBLY — Engineered to fit, perform and sound like the original system
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2004 Mazda 6 Exhaust Parts

You count on your 2004 Mazda 6 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 36 Exhaust Parts ranging in price from $3.99 to $1,046.99, you’re sure to find everything you need for your 2004 Mazda 6.

Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 8 different brands like Walker, Felpro, and Magnaflow. 2004 Mazda 6 Exhaust Parts start as low as $3.99!

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 94 extensive product reviews on 2004 Mazda 6 Exhaust Parts. Some of the top-rated Exhaust Parts products we carry are Exhaust Hanger with 3.6 stars and HM Grade Federal / EPA Compliant Universal Catalytic Converter with 3.3 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 Mazda 6 below to get started!

Top-Rated Exhaust Parts Brands For Your 2004 Mazda 6

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 Mazda 6 running right for years to come. In our inventory you’ll find brands like Walker, Felpro, Magnaflow, and even more.

Popular Felpro Exhaust Parts

You’ll find popular Felpro brand products across Exhaust Pipes and Exhaust Gaskets. All are waiting to get your 2004 Mazda 6 back on the road. Some of the top-rated Felpro products in these categories are:
Exhaust Pipe Flange Gasket
from $3.99
(4)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets
Exhaust Manifold Gasket Set
from $31.49
(2)
Exhaust Manifold Gasket Set
Exhaust Manifold Gaskets
EXHAUST MANIFOLD GASKET SET
from $25.99
(3)
EXHAUST MANIFOLD GASKET SET
Exhaust Manifold 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 Mazda 6, and some of our most reviewed Walker parts include:

FAQs for 2004 Mazda 6 Exhaust Parts

What are the most purchased Exhaust Parts for the 2004 Mazda 6?

Out of 36 Exhaust Parts for the 2004 Mazda 6, the most popular in our inventory are:
Exhaust 36445 Exhaust Pipe Spout
from $26.99
This product is not rated
Exhaust 36445 Exhaust Pipe Spout
Exhaust Chrome and Stainless Tips
Exhaust Pipe Flange Gasket
from $27.99
This product is not rated
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets

What are the top-rated 2004 Mazda 6 Exhaust Parts?

Top-rated Exhaust Parts for your 2004 Mazda 6 based on customer reviews/ratings are:
Exhaust Hanger
from $6.29
(5)
Exhaust Hanger
“Surprisingly smaller circumference than the OEM hanger, yet looks identical and has correct hole spacing. Works fine, just the same.”