Mazda 6 Exhaust Manifold and Headers

Your One-Stop Shop For Trusted Mazda 6 Exhaust Manifold and Headers

If you’re in search of Mazda 6 Exhaust Manifold and Headers aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 12 Exhaust Manifold and Headers from top brands with prices ranging from $227.99 to $1,155.99.

Beyond great prices, we stock trusted brands manufacturing all types of Exhaust Manifold and Headers for your Mazda 6.

And don’t forget to read customer reviews across all Exhaust Manifold and Headers categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Exhaust Manifold and Headers have to cost top dollar, and we prove it. Browse our top Mazda 6 Exhaust Manifold and Headers below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

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Essential Mazda 6 Exhaust Manifold and Headers

MagnaFlow – Direct-Fit OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.51974)

Direct-Fit OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$821.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 51974. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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 Manifold Catalytic Converter is designed to fit the 2006-2008 Mazda 6 2.3L. MagnaFlow 51974 includes (1) Flange Gasket, (1) Donut Gasket and interchanges with OE parts L327-13-450, L327-13-450A, L327-13-450B, L327-13-450C, L327-13-450F, L362-13-45X, L362-13-45XB, L362-13-45XC, L362-13-45XD, L362-13-45XE, L362-13-45XF. 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
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • 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
  • Durable 308 stainless steel MIG welds
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Dorman – Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME (Part No.674-837)

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

from

$601.99
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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Dorman – Direct Fit Exhaust Manifold: without Heat Shield (Part No.674-936)

Direct Fit Exhaust Manifold: without Heat Shield

from

$638.99
This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

Product Features:
  • Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
  • Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance
  • Complete repair – includes all necessary gaskets and downpipe hardware
  • Trustworthy design – built by industry leader in aftermarket manifolds
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MagnaFlow – Direct-Fit OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.51977)

Direct-Fit OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$712.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 51977. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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 Manifold Catalytic Converter is designed to fit the 2006-2008 Mazda 6 3.0L. MagnaFlow 51977 includes (1) Flange Gasket, (3) Nuts, (3) Bolts and interchanges with OE parts AJ48-20-55X, AJ48-20-55XA, AJ48-20-55XB, AJ48-20-55XC. 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:
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • 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
  • Durable 308 stainless steel MIG welds
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MagnaFlow – Direct-Fit OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.52312)

Direct-Fit OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$1030.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 52312. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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 Manifold Catalytic Converter is designed to fit the 2006-2007 Mazda 6 2.3L & 2007-2012 Mazda CX-7 2.3L. MagnaFlow 52312 includes (1) Donut Gasket, (4) Nuts, (1) Flange Gasket and interchanges with OE parts L380-20-50XE, L380-20-50XF, L3D4-20-50XC, L3K2-20-50X, L3K2-20-50XA, L3L9-20-50X. 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:
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • 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
  • Durable 308 stainless steel MIG welds
See More

MagnaFlow – Direct-Fit HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50575)

Direct-Fit 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 Manifold Catalytic Converter 50575. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. MagnaFlow 50575 includes (2) Nuts, (1) Flange Gasket, (2) Bolts and interchanges with OE parts AJ48-20-50X, AJ48-20-50XA, AJ48-20-50XB, AJ48-20-50XC. 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:
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • 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
  • Durable 308 stainless steel MIG welds
See More

Flowtech – Flowtech Upright Headers (Part No.12160FLT)

Flowtech Upright Headers

from

$227.99
Product Features:
  • CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
  • Heavy duty 16-gauge 409SS tubing for increased strength and durability
  • 1-1/2″ primary tubing diameter for increased exhaust flow, increasing performance and improved throttle response
  • 2.5″ collector for maximum strength and exhaust flow
  • Extra thick header flange for a leak-free seal and maximum strength
  • Welded-in collector merge spear to control exhaust gas re-entry into primary tubes
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Dorman – Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME (Part No.674-838)

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

from

$485.99
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
See More

MagnaFlow – Direct-Fit OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.51851)

Direct-Fit OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$1155.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 51851. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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 Manifold Catalytic Converter is designed to fit the 2009-2013 Mazda 6 2.5L. MagnaFlow 51851 includes (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts L505-20-50X, L505-20-50XA, L505-20-50XB, L505-20-50XC, L505-20-50XD, L505-20-50XE, L506-20-50XA, L506-20-50XB, L506-20-50XC, L506-20-50XD, L506-20-50XE, L506-20-50XF, L506-20-50XG, L555-20-50XA, L555-20-50XB, L555-20-50XC. 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:
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • 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
  • Durable 308 stainless steel MIG welds
See More

Dorman – Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME (Part No.674-866)

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

from

$404.99
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
See More

Walker – Ultra EPA Direct Fit Catalytic Converter with Integrated Exhaust Manifold (Part No.16878)

Ultra EPA Direct Fit Catalytic Converter with Integrated Exhaust Manifold

from

$1006.00
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 –áBolt-off, bolt-onáOE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connections
  • KEEPS CHECK ENGINE LIGHT OFFáFOR EMISSIONS CODESá– OE-style high technologyáwashcoatáand optimaláprecious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONGáANDáDURABLE –áFeaturesáthick OE-style flangesáand manifoldsáfor strengtháand durability
  • APPLICATION-ENGINEERED –áFeatures 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 emissions and structural integrity warranty. Visit Walkerexhaust.com for details.
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MagnaFlow – Direct-Fit OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.51910)

Direct-Fit OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$601.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 51910. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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 Manifold Catalytic Converter is designed to fit the 2006-2008 Mazda 6 3.0L. MagnaFlow 51910 includes (2) Bolts, (1) Flange Gasket, (2) Nuts and interchanges with OE parts AJ48-20-50X, AJ48-20-50XA, AJ48-20-50XB, AJ48-20-50XC. 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:
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • 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
  • Durable 308 stainless steel MIG welds
See More

Exhaust Manifold and Headers Brands You Can Trust For Your Mazda 6

4 trusted brands of Exhaust Manifold and Headers line our shelves, ready to help keep your Mazda 6 running smooth. Below are some of the most popular brands and their top Exhaust Manifold and Headers offerings:

Most Purchased Mazda 6 Exhaust Manifold and Headers from Flowtech

When you buy the most frequently purchased Flowtech brand Exhaust Manifold and Headers, you can be confident it will be the right part for your Mazda 6. Here are the Flowtech Exhaust Manifold and Headers Advanced Auto customers buy the most:
Flowtech Upright Headers
from $227.99
This product is not rated
Flowtech Upright Headers
Exhaust Manifold and Headers
Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME
from $601.99
This product is not rated
Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME
Exhaust Manifold and Headers
Direct-Fit HM Grade Federal / EPA Compliant Manifold Catalytic Converter
from $573.99
This product is not rated
Direct-Fit HM Grade Federal / EPA Compliant Manifold Catalytic Converter
Exhaust Manifold and Headers

FAQs for Mazda 6 Exhaust Manifold and Headers

What are the most purchased Exhaust Manifold and Headers for the Mazda 6?

Out of 12 Exhaust Manifold and Headers for the Mazda 6, the most popular in our inventory are:
Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME
from $601.99
This product is not rated
Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME
Exhaust Manifold and Headers
Flowtech Upright Headers
from $227.99
This product is not rated
Flowtech Upright Headers
Exhaust Manifold and Headers
Direct Fit Exhaust Manifold: without Heat Shield
from $638.99
This product is not rated
Direct Fit Exhaust Manifold: without Heat Shield
Exhaust Manifold and Headers