2004 Subaru Impreza Catalytic Converters
More 2004 Subaru Impreza Catalytic Converters
Find your specific 2004 Subaru Impreza original or aftermarket Catalytic Converters below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 2004 Subaru Impreza Catalytic Converters
Walker – 2 Bolt Exhaust Pipe Flange Gasket: Fiber with Steel, Heat Resistant, Premium Materials (Part No.31310)
from
$3.29
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.
Product Features:
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Product Features:
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
- HEAT RESISTANT — Designed to resist heat for long-lasting performance
- PREMIUM MATERIALS — Made from high-quality materials for durability and long life
- ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
- BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
Walker – 2 Bolt Exhaust Pipe Flange Gasket: Metal with Fiber, Heat Resistant, Premium Materials (Part No.31388)
from
$5.29
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.
Product Features:
See More
Product Features:
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
- HEAT RESISTANT — Designed to resist heat for long-lasting performance
- PREMIUM MATERIALS — Made from high-quality materials for durability and long life
- ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
- BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
MAHLE Original – Catalytic Converter Gasket (Part No.F31662)
from
$11.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
MAHLE Original – Catalytic Converter Gasket (Part No.F32718)
from
$8.79
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Walker – 2 Bolt Exhaust Pipe Flange Gasket: Steel , Heat Resistant, Premium Materials (Part No.31534)
from
$6.49
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.
Product Features:
See More
Product Features:
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
- HEAT RESISTANT — Designed to resist heat for long-lasting performance
- PREMIUM MATERIALS — Made from high-quality materials for durability and long life
- ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
- BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
HJS – Exhaust Gasket (Part No.H40001460517HJS)
from
$19.78
Exhaust Gasket
Nippon Reinz – Exh. Man. to Pipe Ga (Part No.H4003117697NRZ)
from
$7.76
Exh. Man. to Pipe Ga
Walker – 3 Bolt Exhaust Pipe Flange Gasket: Metal with Fiber, Heat Resistant, Premium Materials (Part No.31613)
from
$4.79
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.
Product Features:
See More
Product Features:
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
- HEAT RESISTANT — Designed to resist heat for long-lasting performance
- PREMIUM MATERIALS — Made from high-quality materials for durability and long life
- ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
- BETTER TOGETHER — Use premium Walker┬« accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
Walker – Donut Exhaust Pipe Flange Gasket: Graphite, Heat Resistant, Premium Materials (Part No.31357)
from
$12.99
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.
Product Features:
See More
Product Features:
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
- HEAT RESISTANT — Designed to resist heat for long-lasting performance
- PREMIUM MATERIALS — Made from high-quality materials for durability and long life
- ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
- BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
MagnaFlow – OEM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.51206)
from
$194.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51206 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). 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 OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
Product Features:
See More
Product Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
- Compact, lightweight construction enables installation in confined areas, welding is required.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
Walker – CalCat Catalytic Converter- CARB Certified, Direct Replacement, No Fabrication Needed (Part No.82663)
from
$1253.99
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.
Product Features:
See More
Product Features:
- CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
- DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication or welding
- SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
- CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
- STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and stainless-steel body with aluminized pipe and heat shields for durability
- BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty
Walker – Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed (Part No.93261)
from
$257.99
Designed to comply with EPA emissions requirements while delivering premium performance and durability with assured compliance, Walker® Ultra® Universal Catalytic Converters are available for import and domestic OBDII (1996 and newer) vehicles.
Product Features:
See More
Product Features:
- EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
- KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
- DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
- OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
- BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.93235)
from
$693.99
MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93235 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. Designed to fit the 1999-2005 Subaru Forester, 2000-2005 Subaru Outback, and more, this direct-fit catalytic converter also interchanges with OE parts 44659AA01A and 44139AE10A, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
Product Features:
See More
Product Features:
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
- Simplifies installation with essential gaskets and hardware being included in the box.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.444104)
from
$327.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444104 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). 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 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:
See More
Product Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
- Compact, lightweight construction enables installation in confined areas, welding is required.
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23147)
from
$438.99
MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23147 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed specifically for the 2006-2007 Subaru Impreza and interchanges with OE parts 44611AA010 and 44611AA230. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
Product Features:
See More
Product Features:
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
- Simplifies installation with essential gaskets and hardware being included in the box.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.441335)
from
$517.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441335 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). 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 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:
See More
Product Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
- Compact, lightweight construction enables installation in confined areas, welding is required.
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
Walker – Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No.54573)
from
$714.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra Direct-Fit Catalytic Converters provide premium performance and are available for import and domestic OBDII (1996 and newer) vehicles.
Product Features:
See More
Product Features:
- EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO or NY. Legal inME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
- DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
- KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
- STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
- OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.82607)
from
$631.99
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.
Product Features:
See More
Product Features:
- CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
- SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
- CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
- DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
- BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty
MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.49490)
from
$727.99
MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49490 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. Designed to fit the 1999-2005 Subaru Forester, 2000-2005 Subaru Outback, and more, this direct-fit catalytic converter also interchanges with OE parts 44139FA161 and 44139SA010, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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:
See More
Product Features:
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
- Simplifies installation with essential gaskets and hardware being included in the box.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.83218)
from
$566.99
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.
Product Features:
See More
Product Features:
- CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
- SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
- CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
- DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
- BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty
MagnaFlow – HM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.99234HM)
from
$182.99
MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99234HM helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). 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 OBDII Federally registered vehicles with Federal/EPA Emission systems.
Product Features:
See More
Product Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
- Compact, lightweight construction enables installation in confined areas, welding is required.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
Walker – Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No.55673)
from
$504.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker® Ultra® Direct-Fit Catalytic Converters provide premium performance and are available for import and domestic OBDII (1996 and newer) vehicles.
Product Features:
See More
Product Features:
- EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
- DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
- KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
- STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
- OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
- BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.441058)
from
$970.99
MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 441058 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed specifically for the 1998 Subaru Impreza and interchanges with OE parts 44111AC242 and 44110FA070, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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:
See More
Product Features:
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
- Simplifies installation with essential gaskets and hardware being included in the box.
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23149)
from
$457.99
MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23149 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. Designed to fit the 2002-2007 Subaru Impreza, 2005-2006 Subaru Outback, and more, this direct-fit catalytic converter also interchanges with OE parts 44101FE040 and 44611AA130, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
Product Features:
See More
Product Features:
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
- Simplifies installation with essential gaskets and hardware being included in the box.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.444084)
from
$335.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444084 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). 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 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:
See More
Product Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
- Compact, lightweight construction enables installation in confined areas, welding is required.
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.441034)
from
$516.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441034 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). 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 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:
See More
Product Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
- Compact, lightweight construction enables installation in confined areas, welding is required.
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
Walker – CalCat Catalytic Converter- CARB Certified, Direct Replacement, No Fabrication Needed (Part No.84389)
from
$791.99
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.
Product Features:
See More
Product Features:
- CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
- DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication or welding
- SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
- CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
- STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and stainless-steel body with aluminized pipe and heat shields for durability
- BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty
MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23874)
from
$372.99
MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23874 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. Designed to fit the 1995-1999 Subaru Legacy, 1995-1998 Subaru Impreza, and more, this direct-fit catalytic converter also interchanges with OE parts 44111AC242 and 44110FA070, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
Product Features:
See More
Product Features:
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
- Simplifies installation with essential gaskets and hardware being included in the box.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
Popular 2004 Subaru Impreza Catalytic Converters Categories
2004 Subaru Impreza Catalytic Converters
Maybe you’re in the middle of a full rebuild of that 2004 Subaru Impreza. Maybe you just need a couple of Catalytic Converters. Either way, Advance Auto Parts has 23 different Catalytic Converters in our inventory ranging from $3.29 to $1,253.99. That means you can find the exact parts or products you need to keep that 2004 Subaru Impreza running smoothly.
Catalytic Converters are only as good as their brand. We stock 5 different brands to make sure you have plenty of trusted parts to choose from for your 2004 Subaru Impreza. Walker, Mahle, and MagnaFlow are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Catalytic Converters for your 2004 Subaru Impreza, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 185 reviews in this category, some of the top rated parts include HM Grade Federal / EPA Compliant Universal Catalytic Converter with 3.0 stars.
So if you’re in the market for aftermarket Catalytic Converters to keep your 2004 Subaru Impreza rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Catalytic Converters Brands To Make Your 2004 Subaru Impreza Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 2004 Subaru Impreza demands trusted brand parts and products to keep it running. Many trusted brands of Catalytic Converters make up Advance Auto Parts’ inventory, and all are ready to help make your Impreza the best it can be. Be sure to browse some of our top Catalytic Converters brands and parts.
Popular MAHLE Original Catalytic Converters
We carry MAHLE Original parts in our stock across Catalytic Converter Gaskets categories, plus more. For a 2004 Subaru Impreza, our most popular MAHLE Original Catalytic Converters include:
Top 2004 Subaru Impreza Catalytic Converters from Walker
Walker products are another trusted brand when it comes to Catalytic Converters for your 2004 Subaru Impreza. Popular Walker parts include:
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$5.29
(22)
2 Bolt Exhaust Pipe Flange Gasket: Metal with Fiber, Heat Resistant, Premium Materials
Catalytic Converter Gaskets
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$12.99
(14)
Donut Exhaust Pipe Flange Gasket: Graphite, Heat Resistant, Premium Materials
Catalytic Converter Gaskets
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$3.29
(11)
2 Bolt Exhaust Pipe Flange Gasket: Fiber with Steel, Heat Resistant, Premium Materials
Catalytic Converter Gaskets
FAQs for 2004 Subaru Impreza Catalytic Converters
What are the most purchased Catalytic Converters for the 2004 Subaru Impreza?
Out of 23 Catalytic Converters for the 2004 Subaru Impreza, the most popular in our inventory are:
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$4.79
(7)
3 Bolt Exhaust Pipe Flange Gasket: Metal with Fiber, Heat Resistant, Premium Materials
Catalytic Converter Gaskets
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$714.99
(4)
Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed
Catalytic Converters
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$202.99
This product is not rated
Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed
Catalytic Converters
What are the top-rated 2004 Subaru Impreza Catalytic Converters?
Top-rated Catalytic Converters for your 2004 Subaru Impreza based on customer reviews/ratings are:
