2021 Subaru Outback Catalytic Converters

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Keep Your 2021 Subaru Outback in Top Shape with a Quality Catalytic Converter

When it comes to maintaining or upgrading your 2021 Subaru Outback, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Catalytic Converter for your Outback. We currently carry a top Catalytic Converter in stock that is built to last. Whether you’re replacing a damaged Catalytic Converter or looking to upgrade, our selection for the 2021 Subaru Outback ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Exhaust Pipes and Exhaust System Kits to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2021 Subaru Outback running smoothly and looking great.

Essential 2021 Subaru Outback Catalytic Converters

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 24416 (Part No.24416)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 24416

from

$921.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24416. 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 24416 includes (2) Nuts, (2) Bolts, (2) Flange Gaskets and interchanges with OE parts 44102AE200, 44102AG030, 44102AG040, 44612AA120, 44612AA130, 44612AA210, 44612AA280, 44612AA290, 44612AA350, 44612AA360, 44612AA370, 44612AA540. 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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Walker – Walker CalCat CARB Direct Fit Catalytic Converter Overall Length 27.360 IN, 84374 (Part No.84374)

Walker CalCat CARB Direct Fit Catalytic Converter Overall Length 27.360 IN, 84374

from

$1068.00
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat direct-fit catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 83606" (Part No.83606)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 83606"

from

$684.99
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.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 24827 (Part No.24827)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 24827

from

$381.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24827. 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 2005-2008 Subaru Legacy 2.5L & 2005-2007 Subaru Outback 2.5L. MagnaFlow 24827 includes (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts 44101AG070, 44101AG080, 44611AA090, 44611AA100, 44611AA200, 44611AA210. 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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Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 63.125 IN, 55643 (Part No.55643)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 63.125 IN, 55643

from

$621.99
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 Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-217 (Part No.21-217)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-217

from

$487.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-217. 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 21-217 includes (1) Torca Clamp, (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts 44620AC810, 44620AC860, 44620AD520, 44620AD88A, 44620AD88B. 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 2.32"" Outlet (OD), 56264" (Part No.56264)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.32"" Outlet (OD), 56264"

from

$935.99
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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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.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52726 (Part No.52726)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52726

from

$576.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52726. 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 2010-2012 Subaru Legacy 2.5L & 2010-2012 Subaru Outback 2.5L. MagnaFlow 52726 includes (1) Torca Clamp, (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts 44620AC10A, 44620AC12A, 44620AC13A, 44620AC46A, 44620AD07A, 44620AD22A. 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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Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-864 (Part No.674-864)

Dorman Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME, 674-864

from

$706.99
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.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49160 (Part No.49160)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49160

from

$1054.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49160. 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 49160 includes (2) Nuts, (2) Bolts, (2) Flange Gaskets and interchanges with OE parts 44102AE200, 44102AG030, 44102AG040, 44612AA120, 44612AA130, 44612AA210, 44612AA280, 44612AA290, 44612AA350, 44612AA360, 44612AA370, 44612AA540, 44612AA590. 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 CalCat CARB Direct Fit Catalytic Converter Overall Length 59.290 IN, 84496 (Part No.84496)

Walker CalCat CARB Direct Fit Catalytic Converter Overall Length 59.290 IN, 84496

from

$591.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat direct-fit catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51304 (Part No.51304)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51304

from

$221.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51304. 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 California Grade Carb Compliant Direct-Fit Catalytic Converter, 5491827 (Part No.5491827)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5491827

from

$597.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5491827. 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 2005 Subaru Outback 2.5L. MagnaFlow 5491827 includes (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts 44101AG070, 44101AG080, 44611AA090, 44611AA100, 44611AA200, 44611AA210. 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 Direct-Fit Catalytic Converter, 49984 (Part No.49984)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49984

from

$522.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49984. 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 49984 includes (1) Bolt, (1) Flat Washer, (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts 44101FE040, 44101FE090, 44611AA130, 44611AA300. 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 with Integrated Exhaust Manifold, 16689 (Part No.16689)

Walker Ultra EPA Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 16689

from

$1128.00
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 and feature an OE-style high-technology washcoat.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5491159 (Part No.5491159)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5491159

from

$829.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5491159. 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 2009-2013 Subaru Forester 2.5L & 2008-2009 Subaru Outback 2.5L. MagnaFlow 5491159 includes (2) Nuts, (2) Bolts, (1) Donut Gasket, (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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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5411014 (Part No.5411014)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5411014

from

$1746.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5411014. 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 5411014 includes (2) Nuts, (2) Bolts, (2) Flange Gaskets and interchanges with OE parts 44102AE200, 44102AG030, 44102AG040, 44612AA120, 44612AA130, 44612AA210, 44612AA280, 44612AA290, 44612AA350, 44612AA360, 44612AA370, 44612AA540. 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 California Grade Carb Compliant Universal Catalytic Converter, 5481305 (Part No.5481305)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5481305

from

$706.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5481305. 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

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 27.625 IN, 16851 (Part No.16851)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 27.625 IN, 16851

from

$1202.00
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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Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 58.000 IN, 55585 (Part No.55585)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 58.000 IN, 55585

from

$497.99
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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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.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99184HM (Part No.99184HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99184HM

from

$188.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99184HM. 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

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23149 (Part No.23149)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23149

from

$497.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23149. 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 23149 includes (1) Bolt, (1) Flat Washer, (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts 44101FE040, 44101FE090, 44104FE080, 44611AA130, 44611AA300, 44614AA030. 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 Overall Length 59.000 IN, 55708 (Part No.55708)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 59.000 IN, 55708

from

$305.99
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 Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51448 (Part No.51448)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51448

from

$413.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51448. 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 51448 includes (1) Torca Clamp, (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts 44620AB25A, 44620AB400, 44620AB44A, 44620AB630, 44620AC760. 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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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99176HM (Part No.99176HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99176HM

from

$326.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99176HM. 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 Overall Length 59.250 IN, 55644 (Part No.55644)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 59.250 IN, 55644

from

$643.99
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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Most Popular Catalytic Converter for 2021 Subaru Outbacks

Enhance your 2021 Subaru Outback with this popular Catalytic Converter we have in stock, for $213.99.

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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FAQs for 2021 Subaru Outback Catalytic Converters

What’s the price range for 2021 Subaru Outback Catalytic Converters?

We currently have just one Catalytic Converters for the 2021 Subaru Outback in stock: MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206 and it costs $213.99.

Does Advance Auto Parts sell Catalytic Converters for other Subaru Outback model years?

Yes, we carry Catalytic Converters for 22 model years of Subaru Outbacks between 2000 and 2023. The following model years are the most popular for Catalytic Converter purchases: 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, and 2011.

Does Advance Auto Parts sell Catalytic Converters for any other 2021 Subaru models?

Yes. We stock Catalytic Converters for 5 other popular 2021 Subaru models. Some of the most popular are 2021 Impreza Catalytic Converters, 2021 WRX Catalytic Converters, 2021 Crosstrek Catalytic Converters, 2021 Forester Catalytic Converters, and 2021 Legacy Catalytic Converters.

What types of Catalytic Converters do you sell for my 2021 Subaru Outback?

We currently have just 1 Catalytic Converter in stock for a 2021 Subaru Outback, and as of 8/2/26, it is a Catalytic Converter.

Can I get help with 2021 Subaru Outback Catalytic Converter orders?

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

What is your return policy for Subaru Outback Catalytic Converters?

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