2018 Subaru Impreza Catalytic Converters

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Keep Your 2018 Subaru Impreza in Top Shape with a Quality Catalytic Converter

When it comes to maintaining or upgrading your 2018 Subaru Impreza, 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 Impreza. 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 2018 Subaru Impreza 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 Manifold and Headers and Exhaust Pipes to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2018 Subaru Impreza running smoothly and looking great.

Essential 2018 Subaru Impreza Catalytic Converters

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51122 (Part No.51122)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51122

from

$649.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51122. 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 51122 includes (1) O2 Port Plug, (2) Flange Gaskets and interchanges with OE parts 44110FA061, 44111AC160, 44111AC161, 44111AC162, 44111AC230, 44111AC231, 44111AC232, 44111AC233, 44111AC340. 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.
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Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 23.250 IN, 16090 (Part No.16090)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 23.250 IN, 16090

from

$521.99
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 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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Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 27.000 IN, 16564 (Part No.16564)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 27.000 IN, 16564

from

$929.99
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 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.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 5531447 (Part No.5531447)

MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 5531447

from

$1073.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 5531447. 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 5531447 includes (3) Bolts, (3) Flange Gaskets and interchanges with OE parts 44620AA740, 44620AA76A, 44620AA77A, 44620AB24A, 44620AB350, 44620AB43A, 44620AB620, 44620AC07A, 44620AC12A, 44620AC750. 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 CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84406" (Part No.84406)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84406"

from

$361.99
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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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 California Grade Carb Compliant Universal Catalytic Converter, 5411305 (Part No.5411305)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5411305

from

$782.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5411305. 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.
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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 CalCat CARB Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 84307" (Part No.84307)

"Walker CalCat CARB Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 84307"

from

$544.99
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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Walker – "Walker CalCat CARB Direct Fit Catalytic Converter 2.37"" Outlet (ID), 84476" (Part No.84476)

"Walker CalCat CARB Direct Fit Catalytic Converter 2.37"" Outlet (ID), 84476"

from

$588.99
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 Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99104HM (Part No.99104HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99104HM

from

$185.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99104HM. 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 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 Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 53004 (Part No.53004)

MagnaFlow Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 53004

from

$106.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 53004. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design. With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5571176 (Part No.5571176)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5571176

from

$527.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5571176. 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.
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Walker – Walker CalCat CARB Direct Fit Catalytic Converter Overall Length 59.125 IN, 84495 (Part No.84495)

Walker CalCat CARB Direct Fit Catalytic Converter Overall Length 59.125 IN, 84495

from

$634.99
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 California Grade Carb Compliant Direct-Fit Catalytic Converter, 5421025 (Part No.5421025)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5421025

from

$869.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5421025. 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 2006-2007 Subaru Impresa 2.5L. MagnaFlow 5421025 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 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 CalCat CARB Direct Fit Catalytic Converter 1.92"" Outlet (OD), 83381" (Part No.83381)

"Walker CalCat CARB Direct Fit Catalytic Converter 1.92"" Outlet (OD), 83381"

from

$1121.00
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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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 441074 (Part No.441074)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 441074

from

$642.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441074. 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, 51058 (Part No.51058)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51058

from

$1064.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51058. 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 51058 includes (2) Nuts, (2) Bolts, (2) Flange Gaskets and interchanges with OE parts 44612AA010, 44612AA020, 44612AA330, 44612AA340. 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 2.365"" Outlet (OD), 83257" (Part No.83257)

"Walker CalCat CARB Direct Fit Catalytic Converter 2.365"" Outlet (OD), 83257"

from

$515.99
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.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93235 (Part No.93235)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 93235

from

$754.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93235. 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 93235 includes (1) O2 Port Plug, (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts 44139AE05A, 44139AE06A, 44139AE10A, 44139AE11A, 44139AE12A, 44139FA010, 44139FA160, 44139FA161, 44139SA000, 44139SA010, 44659AA01A. 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 Universal Catalytic Converter, 444206 (Part No.444206)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 444206

from

$412.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444206. 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 Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99185HM (Part No.99185HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99185HM

from

$188.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99185HM. 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

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.
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Most Popular Catalytic Converter for 2018 Subaru Imprezas

Enhance your 2018 Subaru Impreza 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 2018 Subaru Impreza Catalytic Converters

What’s the price range for 2018 Subaru Impreza Catalytic Converters?

We currently have just one Catalytic Converters for the 2018 Subaru Impreza 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 Impreza model years?

Yes, we carry Catalytic Converters for 28 model years of Subaru Imprezas between 1993 and 2022. The following model years are the most popular for Catalytic Converter purchases: 2021, 2020, 2019, 2017, 2016, 2015, 2014, 2013, and 2012.

Does Advance Auto Parts sell Catalytic Converters for any other 2018 Subaru models?

Yes. We stock Catalytic Converters for 6 other popular 2018 Subaru models. Some of the most popular are 2018 Legacy Catalytic Converters, 2018 Outback Catalytic Converters, 2018 Forester Catalytic Converters, 2018 WRX Catalytic Converters, and 2018 Crosstrek Catalytic Converters.

What types of Catalytic Converters do you sell for my 2018 Subaru Impreza?

We currently have just 1 Catalytic Converter in stock for a 2018 Subaru Impreza, and as of 8/2/26, it is a Catalytic Converter.

Can I get help with 2018 Subaru Impreza 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 Impreza Catalytic Converters?

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