2015 Mazda 3 Catalytic Converters

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Keep Your 2015 Mazda 3 in Top Shape with Quality Catalytic Converters

Whether you’re repairing or upgrading your Catalytic Converter, using high-quality parts is key to keeping your 2015 Mazda 3 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Catalytic Converters. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2015 Mazda 3 Catalytic Converter at Advance Auto Parts is around $423.55, with a range that starts at $213.99 and goes up to $783.99. With 4 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205, Walker Ultra EPA Direct Fit Catalytic Converter, 16890, and MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-326 start at just $213.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Catalytic Converter, don’t forget to check out other key components like Exhaust Pipes and Exhaust System Kits. At Advance Auto Parts, we’re here to help you keep your 2015 Mazda 3 in peak condition, inside and out.

Essential 2015 Mazda 3 Catalytic Converters

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 551545 (Part No.551545)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 551545

from

$1214.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 551545. 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 Catalytic Converter is designed to fit the 2010-2013 Mazda 3 2.3L. MagnaFlow 551545 includes (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts L3F2-20-50XC, L3F2-20-50XD, L3F2-20-50XE. 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.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206 (Part No.51206)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51206. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51550 (Part No.51550)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51550

from

$565.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51550. 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 Catalytic Converter is designed to fit the 2007-2013 Mazda 3 2.3L. MagnaFlow 51550 includes (1) Donut Gasket and interchanges with OE parts L3F2-20-55XA, L3F2-20-55XB, L3F2-20-55XC, L3H4-20-55XC, L3P1-20-55X. 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.
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Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.125"" Outlet (OD), 16326" (Part No.16326)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.125"" Outlet (OD), 16326"

from

$396.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5571146 (Part No.5571146)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5571146

from

$819.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5571146. 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 Catalytic Converter is designed to fit the 2012-2013 Mazda 3 2.0L. MagnaFlow 5571146 includes (2) Bolts, (1) Torca Clamp, (1) Flange Gasket. 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.
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Walker – Walker Ultra EPA Direct Fit Catalytic Converter, 16890 (Part No.16890)

Walker Ultra EPA Direct Fit Catalytic Converter, 16890

from

$293.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5671145 (Part No.5671145)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5671145

from

$641.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5671145. 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 5671145 includes (1) Flange Gasket. 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.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99206HM (Part No.99206HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99206HM

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99206HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 16861 (Part No.16861)

Walker Ultra EPA Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 16861

from

$878.99
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 and feature an OE-style high-technology washcoat.
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Walker – Walker Ultra EPA Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 16566 (Part No.16566)

Walker Ultra EPA Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 16566

from

$998.99
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 and feature an OE-style high-technology washcoat.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 24178 (Part No.24178)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 24178

from

$257.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24178. 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 24178 includes (1) Flange Gasket and interchanges with OE parts L326-20-55XE, L327-20-55XE, L327-20-55XF, L328-20-55XD, L328-20-55XJ, L329-20-55XD, L329-20-55XE, L329-20-55XF, L329-20-55XJ, L352-20-55XH, L353-20-55XA, L353-20-55XG, L354-20-55XB, L3C2-20-55X, L3C2-20-55XC, LF13-20-55XC, LF13-20-55XF, LF14-20-55XH, LF14-20-55XJ, LF62-20-55X. 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.
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Dorman – Dorman Manifold Converter – CARB Compliant – Direct replacement, 673-886 (Part No.673-886)

Dorman Manifold Converter - CARB Compliant - Direct replacement, 673-886

from

$1473.00
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.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205" (Part No.84205)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205"

from

$229.99
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. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5571206 (Part No.5571206)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5571206

from

$446.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5571206. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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.
See More

Dorman – Dorman Manifold Converter – CARB Compliant – Direct replacement, 673-260 (Part No.673-260)

Dorman Manifold Converter - CARB Compliant - Direct replacement, 673-260

from

$1383.00
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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205 (Part No.51205)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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.
See More

Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-886 (Part No.674-886)

Dorman Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME, 674-886

from

$511.99
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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51204 (Part No.51204)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51204

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51204. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM (Part No.99205HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99205HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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.
See More

Walker – "Walker CalCat CARB Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 84407" (Part No.84407)

"Walker CalCat CARB Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 84407"

from

$382.99
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. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49145 (Part No.49145)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49145

from

$271.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49145. 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 49145 includes (1) Flange Gasket and interchanges with OE parts L326-20-55XF, L327-20-55XG, L327-20-55XJ, L329-20-55XK, L352-20-55XA, L353-20-55XD, L353-20-55XE, L354-20-55XC, L354-20-55XG, L3C2-20-55X, L3G6-20-55X, L3G8-20-55XB, L3H1-20-55X, L520-20-55X, L520-20-55XA, LF14-20-55XD, LF14-20-55XF, LF14-20-55XG, LF62-20-55X, LFB6-20-55XB. 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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 51615 (Part No.51615)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 51615

from

$849.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 51615. 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 51615 includes (4) Nuts, (1) Bolt, (2) Flange Gaskets and interchanges with OE parts L328-20-50XC, L328-20-50XD, L328-20-50XE, L328-20-50XG, L328-20-50XH, L328-20-50XJ, LF13-20-50XC, LF13-20-50XD, LF13-20-50XF, LF13-20-50XG, LF13-20-50XH, LF13-20-50XK, LF64-20-50X, LF64-20-50XA, LF64-20-50XC. 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.
See More

Walker – Walker CalCat CARB Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 84361 (Part No.84361)

Walker CalCat CARB Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 84361

from

$1313.00
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. Engineered for a precise OE style fit, they feature an optimal high technology washcoat formulated for superior performance.
See More

Walker – "Walker Ultra EPA Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 93252" (Part No.93252)

"Walker Ultra EPA Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 93252"

from

$195.99
Designed to meet EPA emissions requirements while delivering premium performance and durability, Walker Ultra universal catalytic converters fit import and domestic OBDII (1996 and newer) vehicles. Each converter features an OE style high technology washcoat with an optimal precious metal load for assured compliance.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5671406 (Part No.5671406)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5671406

from

$519.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5671406. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-326 (Part No.21-326)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-326

from

$783.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-326. 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 21-326 includes (2) Bolts, (2) Torca Clamps, (2) Flat Ring Gaskets and interchanges with OE parts PE70-20-55XA, PEB4-20-55XA, PEB4-20-55XB, PEB4-20-55XC, PEM5-20-55X, PEM5-20-55XA, PEM5-20-55XB, PY03-20-55X, PY31-20-55XA, PY81-20-55X, PYA1-20-55X. 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.
See More

Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2"" Outlet (ID), 16591" (Part No.16591)

"Walker Ultra EPA Direct Fit Catalytic Converter 2"" Outlet (ID), 16591"

from

$362.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
See More

Walker – "Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93253" (Part No.93253)

"Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93253"

from

$365.99
Designed to meet EPA emissions requirements while delivering premium performance and durability, Walker Ultra universal catalytic converters fit import and domestic OBDII (1996 and newer) vehicles. Each converter features an OE style high technology washcoat with an optimal precious metal load for assured compliance.
See More

Most Popular Catalytic Converters for 2015 Mazda 3s

Enhance your 2015 Mazda 3 with one of the 4 Catalytic Converters we have in stock, starting at just $213.99.

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205 (Part No.51205)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-326 (Part No.21-326)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-326

from

$783.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-326. 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 21-326 includes (2) Bolts, (2) Torca Clamps, (2) Flat Ring Gaskets and interchanges with OE parts PE70-20-55XA, PEB4-20-55XA, PEB4-20-55XB, PEB4-20-55XC, PEM5-20-55X, PEM5-20-55XA, PEM5-20-55XB, PY03-20-55X, PY31-20-55XA, PY81-20-55X, PYA1-20-55X. 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.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter, 16890 (Part No.16890)

Walker Ultra EPA Direct Fit Catalytic Converter, 16890

from

$293.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
See More

Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205" (Part No.84205)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205"

from

$229.99
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. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
See More

FAQs for 2015 Mazda 3 Catalytic Converters

What are the best-selling Catalytic Converters for 2015 Mazda 3s?

Out of 4 Catalytic Converters that fit 2015 Mazda 3s, the following parts are the top sellers:

What’s the price range for 2015 Mazda 3 Catalytic Converters?

The prices of Catalytic Converters for the 2015 Mazda 3 range from $213.99 up to $783.99 for the most premium parts.

What is the average price of a Catalytic Converter for a 2015 Mazda 3?

The average price for Catalytic Converters for the 2015 Mazda 3 is $423.55. Keep in mind the variety of part types within our Catalytic Converter category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Catalytic Converters for other Mazda 3 model years?

Yes, we carry Catalytic Converters for 11 model years of Mazda 3s between 2004 and 2016. The following model years are the most popular for Catalytic Converter purchases: 2016, 2014, 2013, 2012, 2011, 2010, 2009, 2008, and 2007.

What are the cheapest Catalytic Converters for my 2015 Mazda 3?

Does Advance Auto Parts sell Catalytic Converters for any other 2015 Mazda models?

Yes. We stock Catalytic Converters for 4 other popular 2015 Mazda models. Some of the most popular are 2015 6 Catalytic Converters, 2015 CX-9 Catalytic Converters, 2015 5 Catalytic Converters, 2015 CX-5 Catalytic Converters, and 2015 MX-5 Miata Catalytic Converters.

What types of Catalytic Converters do you sell for my 2015 Mazda 3?

We currently have just 1 Catalytic Converter in stock for a 2015 Mazda 3, and as of 8/2/26, it is a Catalytic Converter.

Can I get help with 2015 Mazda 3 Catalytic Converter orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mazda Catalytic Converters and more.

What is your return policy for Mazda 3 Catalytic Converters?

Advance Auto Parts keeps returns simple. For new Mazda 3 Catalytic Converters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.