2003 Mazda 6 Exhaust Manifold and Headers

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 and feature an OE-style high-technology washcoat.

Product Features:

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) Nuts, (2) Bolts, (1) Flange Gasket 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:

• Durable 308 stainless steel MIG welds
• Simplifies installation with essential gaskets and hardware being included in the box
• 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
• Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 452864. 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 2003-2004 Mazda 6 3.0L. MagnaFlow 452864 includes (2) Nuts, (1) Flange Gasket and interchanges with OE parts AJ57-20-55XA, AJ57-20-55XB, AJ57-20-55XC, AJB4-20-55XB. 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:

• Durable 308 stainless steel MIG welds
• Simplifies installation with essential gaskets and hardware being included in the box
• 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
• Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
• Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last

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 (4) Nuts, (1) Donut Gasket, (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:

• Durable 308 stainless steel MIG welds
• Simplifies installation with essential gaskets and hardware being included in the box
• 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
• Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last

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

This Flowtech header features CNC mandrel-bent primary tubes that provide consistent tubing diameters for smooth flow of the exhaust pulse and increase the cylinder scavenging of the exhaust to improve engine breathing. The primary tubes are constructed from heavy duty 16-gauge 409SS tubing for increased strength and durability. This header uses a 2.5″ collector for maximum strength and exhaust flow and includes a welded-in collector merge spear to help control exhaust gas re-entry into the primary tubes. The header also features an extra thick flange for a leak-free seal and maximum strength.

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 spears to control exhaust gas re-entry into primary tubes

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:

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

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

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) Donut Gasket, (1) Flange 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:

• Durable 308 stainless steel MIG welds
• Simplifies installation with essential gaskets and hardware being included in the box
• 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
• Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last

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

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 (3) Nuts, (3) Bolts, (1) Flange Gasket 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:

• Durable 308 stainless steel MIG welds
• Simplifies installation with essential gaskets and hardware being included in the box
• 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
• Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last