2018 Subaru WRX Exhaust Parts
Find Your Specific 2018 Subaru WRX Exhaust Parts
Below you will find various in-demand Subaru Exhaust Parts, components and accessories for your 2018 WRX. Advance Auto Parts has popular WRX parts like Catalytic Converters, Exhaust Gaskets, Exhaust Pipes and more. You’ll also find aftermarket and OEM Exhaust Parts for other WRX model years including
2015,
2016,
2017,
2019,
2020,
2021,
2022,
2023,
2024 and more. Select a category of 2018 Subaru WRX Exhaust Parts below and start saving instantly.
Popular 2018 Subaru WRX Exhaust Parts Categories
Essential Exhaust Parts for 2018 Subaru WRXes
MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.21-232)
from
$453.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-232. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body 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 spun body 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 specifically for the 2015-2016 Subaru WRX and interchanges with OE part 44621AA190. 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.
MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.52621)
from
$534.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52621. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body 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 spun body 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. Designed to fit the 2015-2021 Subaru WRX and 2014-2018 Subaru Forester, this direct-fit catalytic converter also interchanges with OE part 44621AA140. 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.
MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.21-822)
from
$839.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-822. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body 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 spun body 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. Designed to fit the 2015-2021 Subaru WRX and 2014-2018 Subaru Forester, this direct-fit catalytic converter also interchanges with OE parts 44612AA771 and 44612AA770. 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 CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) (Part No.84406)
from
$347.99
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.
- 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
Felpro – Exhaust Manifold Gasket Set (Part No.MS 95088)
from
$25.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
- Contains all gaskets and seals to remove and replace exhaust manifold
- Contains all gaskets and seals to remove and replace exhaust manifold
MBRP Exhaust – Pro Series, 2.5 In Axle Back System: Polished Tip, 304 Stainless Steel, Designed for Power and Sound (Part No.S4801304)
from
$354.99
MBRP(R) axle back performance exhaust for subaru WRX2.0L, subaru WRX STI 2.5L models. 2.5 Inch axle back, dual split rear exit, T304 stainless steel, street version and single wall T304 exhaust polished tips.
Product Features:
See More
Product Features:
- Enhanced Sound And Tone Of Boxer Engine
- T304 Stainless Steel
- Limited Lifetime Warranty
MagnaFlow – Competition Series Axle-Back Performance Exhaust System (Part No.19362)
from
$663.99
The MagnaFlow Competition Series Axle-Back Performance Exhaust System 19362 19362 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we’re so well known for. This exhaust kit is designed to enhance your 2.0L, 2.5L 2011-2018 Subaru with dyno-proven performance made possible thanks to fast-flowing mandrel bent 2in. main piping and 0 Straight-Through mufflers ending in a Quad Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Folded Edge tips featuring a sporty finish. The exhaust system’s axle-back layout replaces your ride’s exhaust system from near the rear axle on back. Exhaust system 19362 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 19362’s direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This performance exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow’s limited lifetime warranty. Please check to ensure compliance with local noise regulations.
Product Features:
See More
Product Features:
- Crafted from 409 stainless steel with all mandrel-bent tubing
- Increased horsepower and torque
- Aggressive exterior sound
MagnaFlow – Competition Series Cat-Back Performance Exhaust System (Part No.19361)
from
$1264.99
The MagnaFlow Competition Series Cat-Back Performance Exhaust System 19361 19361 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we’re so well known for. This exhaust kit is designed to enhance your 2.0L, 2.5L 2011-2018 Subaru with dyno-proven performance made possible thanks to fast-flowing mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Quad Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Folded Edge tips featuring a sporty finish. The exhaust system’s cat-back layout replaces your ride’s exhaust system from near the catalytic converter on back. Exhaust system 19361 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 19361’s direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This performance exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow’s limited lifetime warranty. Please check to ensure compliance with local noise regulations.
Product Features:
See More
Product Features:
- Crafted from 409 stainless steel with all mandrel-bent tubing
- Increased horsepower and torque
- Aggressive exterior sound
Borla Performance Exhaust – T-304 Ss, 3" Pipe Dia To 2.25" Dia, Single Exhaust With Dual Exit (Part No.140595)
from
$1549.99
BORLA(R) Cat-Back(TM) and Axle-Back multi-core technology is designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow and power, and Precision Computer Controlled CNC Manufacturing Ensures An Accurate Fit.
Product Features:
See More
Product Features:
- BORLA(R) Cat-Back(TM) Exhausts Feature, Straight Through And Multi-Core Technology To Unleash Hidden Horsepower
- Each System Is Built From Aircraft Grade High Quality T-304 Stainless Steel
- Increase The Overall Sound Level And Performance
- Precision Computer Controlled CNC Manufacturing Ensures An Accurate Fit
- ATAK(R) Technology Is Based On Specifically-Tuned Attributes Of The Internal Muffler Cores, Which Are Calibrated On A Vehicle-By-Vehicle Basis To Deliver The Mostádesirableásound
Ishino Stone – Exhaust Gasket (Part No.H4000410102ISH)
from
$23.71
Exhaust Gasket
Felpro – Exhaust Pipe Flange Gasket (Part No.61106)
from
$21.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Exhaust Pipe Flange Gasket (Part No.60902)
from
$7.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Exhaust Pipe Flange Gasket (Part No.60992)
from
$7.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
MAHLE Original – Exhaust Pipe Flange Gasket (Part No.F31662)
from
$11.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
See More
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
Dorman – Help – Exhaust Manifold Hardware Kit (Part No.32112)
from
$22.99
This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles.
- Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
- Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Flange Hardware (Part No.03114)
from
$16.29
Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of rusted or damaged exhaust bolts and springs.
Product Features:
See More
Product Features:
- Ideal replacement – the manifold bolt and spring match the fit and function of the original equipment hardware, including bolt diameter, thread pitch and head type.
- Complete installation – this kit includes hardware required for securely attaching the manifold to the exhaust system
- Trustworthy construction – the kit’s bolt and spring are made of hardened steel for durable, long-lasting service life
- Quality tested – kit components have undergone extensive testing to ensure proper function and long service life
Upgrade your 2018 Subaru WRX with Top-Quality Exhaust Parts
When it comes to maintaining or upgrading your 2018 Subaru WRX, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Subaru or enhancing its overall performance, Exhaust Parts are key to keeping your WRX functioning at its best. At Advance Auto Parts, we offer a wide selection of 17 Exhaust Parts for the 2018 Subaru WRX, designed to meet your needs without breaking the bank.
From
Catalytic Converter
replacements to
Exhaust Gaskets
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Exhaust Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Exhaust Parts for your 2018 Subaru WRX at great prices.
Our Exhaust Parts inventory for this model
ranges from just $7.49 to $1,549.99, with
an average price of $336.04.
Our 17 Exhaust Parts in stock come from 8 trusted brands, so you’re sure to find the right part for your 2018 Subaru WRX without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2018 Subaru WRX, we stock popular OEM and aftermarket Exhaust Parts from top names
like FELPRO, Dorman, Mahle, and more.
FELPRO Exhaust Parts
start at just $7.49 and boast an impressive 5 stars average rating from customers.
Dorman and Mahle also bring quality to the table, with Exhaust Parts available starting at $11.99, and at an average 4 stars rating.
With 99 customer reviews and counting, our 2018 Subaru WRX Exhaust Parts have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Exhaust Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2018 Subaru WRX is always ready to roll. We’re committed to providing you with everything you need to keep your WRX in top shape, all in one place.
Start shopping confidently below for your 2018 Subaru WRX!
Best-Selling Catalytic Converters for 2018 Subaru WRXes
Enhance the driving experience in your Subaru with 5 quality Catalytic Converter components, starting at $11.99.
MAHLE Original – Exhaust Pipe Flange Gasket (Part No.F31662)
from
$11.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
See More
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 – CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) (Part No.84406)
from
$347.99
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.
- 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
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.
MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.21-822)
from
$839.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-822. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body 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 spun body 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. Designed to fit the 2015-2021 Subaru WRX and 2014-2018 Subaru Forester, this direct-fit catalytic converter also interchanges with OE parts 44612AA771 and 44612AA770. 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.
MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.52621)
from
$534.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52621. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body 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 spun body 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. Designed to fit the 2015-2021 Subaru WRX and 2014-2018 Subaru Forester, this direct-fit catalytic converter also interchanges with OE part 44621AA140. 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.
Most Popular 2018 Subaru WRX Exhaust Gaskets
Customize your Subaru with 1 Exhaust Gaskets products
like Exhaust Manifold Gaskets, all
priced under $25.99.
Felpro – Exhaust Manifold Gasket Set (Part No.MS 95088)
from
$25.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
- Contains all gaskets and seals to remove and replace exhaust manifold
- Contains all gaskets and seals to remove and replace exhaust manifold
Top Picks for 2018 Subaru WRX Exhaust Pipes
Upgrade Subaru WRXes with top-quality Exhaust Pipes parts, including 5 OEM and aftermarket selections for your 2018 model.
Felpro – Exhaust Pipe Flange Gasket (Part No.61106)
from
$21.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Exhaust Pipe Flange Gasket (Part No.60992)
from
$7.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Ishino Stone – Exhaust Gasket (Part No.H4000410102ISH)
from
$23.71
Exhaust Gasket
Felpro – Exhaust Pipe Gasket (Part No.61837)
from
$10.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Exhaust Pipe Flange Gasket (Part No.60902)
from
$7.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
In-Demand Exhaust Manifold and Headers for 2018 Subaru WRXes
Select from 2 premium Exhaust Manifold and Headers parts for your 2018 Subaru WRX, with prices ranging from $16.29 to $22.99.
Dorman – Help – Exhaust Flange Hardware (Part No.03114)
from
$16.29
Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of rusted or damaged exhaust bolts and springs.
Product Features:
See More
Product Features:
- Ideal replacement – the manifold bolt and spring match the fit and function of the original equipment hardware, including bolt diameter, thread pitch and head type.
- Complete installation – this kit includes hardware required for securely attaching the manifold to the exhaust system
- Trustworthy construction – the kit’s bolt and spring are made of hardened steel for durable, long-lasting service life
- Quality tested – kit components have undergone extensive testing to ensure proper function and long service life
Dorman – Help – Exhaust Manifold Hardware Kit (Part No.32112)
from
$22.99
This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles.
- Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
- Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Most Sold 2018 Subaru WRX Exhaust System Kits
Explore our best-selling Subaru parts for the 2018 WRX among 4 OEM and aftermarket options starting from $354.99.
Borla Performance Exhaust – T-304 Ss, 3" Pipe Dia To 2.25" Dia, Single Exhaust With Dual Exit (Part No.140595)
from
$1549.99
BORLA(R) Cat-Back(TM) and Axle-Back multi-core technology is designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow and power, and Precision Computer Controlled CNC Manufacturing Ensures An Accurate Fit.
Product Features:
See More
Product Features:
- BORLA(R) Cat-Back(TM) Exhausts Feature, Straight Through And Multi-Core Technology To Unleash Hidden Horsepower
- Each System Is Built From Aircraft Grade High Quality T-304 Stainless Steel
- Increase The Overall Sound Level And Performance
- Precision Computer Controlled CNC Manufacturing Ensures An Accurate Fit
- ATAK(R) Technology Is Based On Specifically-Tuned Attributes Of The Internal Muffler Cores, Which Are Calibrated On A Vehicle-By-Vehicle Basis To Deliver The Mostádesirableásound
MagnaFlow – Competition Series Cat-Back Performance Exhaust System (Part No.19361)
from
$1264.99
The MagnaFlow Competition Series Cat-Back Performance Exhaust System 19361 19361 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we’re so well known for. This exhaust kit is designed to enhance your 2.0L, 2.5L 2011-2018 Subaru with dyno-proven performance made possible thanks to fast-flowing mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Quad Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Folded Edge tips featuring a sporty finish. The exhaust system’s cat-back layout replaces your ride’s exhaust system from near the catalytic converter on back. Exhaust system 19361 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 19361’s direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This performance exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow’s limited lifetime warranty. Please check to ensure compliance with local noise regulations.
Product Features:
See More
Product Features:
- Crafted from 409 stainless steel with all mandrel-bent tubing
- Increased horsepower and torque
- Aggressive exterior sound
MagnaFlow – Competition Series Axle-Back Performance Exhaust System (Part No.19362)
from
$663.99
The MagnaFlow Competition Series Axle-Back Performance Exhaust System 19362 19362 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we’re so well known for. This exhaust kit is designed to enhance your 2.0L, 2.5L 2011-2018 Subaru with dyno-proven performance made possible thanks to fast-flowing mandrel bent 2in. main piping and 0 Straight-Through mufflers ending in a Quad Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Folded Edge tips featuring a sporty finish. The exhaust system’s axle-back layout replaces your ride’s exhaust system from near the rear axle on back. Exhaust system 19362 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 19362’s direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This performance exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow’s limited lifetime warranty. Please check to ensure compliance with local noise regulations.
Product Features:
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Product Features:
- Crafted from 409 stainless steel with all mandrel-bent tubing
- Increased horsepower and torque
- Aggressive exterior sound
MBRP Exhaust – Pro Series, 2.5 In Axle Back System: Polished Tip, 304 Stainless Steel, Designed for Power and Sound (Part No.S4801304)
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$354.99
MBRP(R) axle back performance exhaust for subaru WRX2.0L, subaru WRX STI 2.5L models. 2.5 Inch axle back, dual split rear exit, T304 stainless steel, street version and single wall T304 exhaust polished tips.
Product Features:
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Product Features:
- Enhanced Sound And Tone Of Boxer Engine
- T304 Stainless Steel
- Limited Lifetime Warranty
Top-Rated Exhaust Parts Brands For Your 2018 Subaru WRX
Shop for the best-rated brands offering Exhaust Parts and other products for your 2018 Subaru WRXes. Below you’ll find some of our best rated Exhaust Parts from FELPRO, Dorman, and Mahle, and more. Exhaust Parts from these brands that fit a 2018 WRX start at just $7.49 and are rated as high as 5 stars. OEM and aftermarket Exhaust Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular FELPRO 2018 Subaru WRX Exhaust Parts
When it comes to maintaining or upgrading your 2018 Subaru WRX, using quality Exhaust Parts is essential to ensure durability and a perfect fit. FELPRO ticks all of those boxes. We offer a wide selection of FELPRO Exhaust Parts, specifically designed for the 2018 Subaru WRX. With over 5 FELPRO brand Exhaust Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $7.49, with an average price of just $14.61. Plus, with over 30 customer reviews and an average rating of 5 stars, you can trust that our FELPRO Exhaust Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Popular Dorman 2018 Subaru WRX Exhaust Parts
Dorman auto parts is one of the highest quality Exhaust Part brands in the market. Any 2018 Subaru WRX owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 2018 WRX, Advance Auto Parts carries a full inventory of 2 Dorman Exhaust Parts. Plus you will be keeping your Subaru in peak condition while saving money because prices on these Dorman Exhaust Parts range from $16.29 to $22.99, plus, with more than 2 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Exhaust Parts below will deliver on both quality and value.
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$16.29
$16.29
(2)
“2004 Subaru Legacy, used to attach resonator pipe (being replaced) to Catalytic converter. The last ones I bought were too short and took a lot of pr”
FAQs for 2018 Subaru WRX Exhaust Parts
Which Exhaust Parts are best-sellers for 2018 Subaru WRXes?
Out of 17 Exhaust Parts that fit 2018 Subaru WRXes, the following parts are the top sellers:
- Exhaust Pipe Flange Gasket (10307338) – $11.99
- OEM Grade Federal / EPA Compliant Universal Catalytic Converter (10605289) – $194.99
- CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) (12167889) – $347.99
What’s the price range for 2018 Subaru WRX Exhaust Parts?
Exhaust Part prices for the 2018 Subaru WRX start at $7.49 and go up to $1,549.99 for the most premium parts.
What’s the average price of a Exhaust Part for a 2018 Subaru WRX?
The average price for Exhaust Parts for the 2018 Subaru WRX is $336.04. Keep in mind the variety of part types within our Exhaust Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Exhaust Parts for other Subaru WRX model years?
What are the cheapest Exhaust Parts for my 2018 Subaru WRX?
The cheapest 2018 Subaru WRX Exhaust Parts we carry in stock are:
- Exhaust Pipe Flange Gasket (19780718) – $7.49
- Exhaust Pipe Flange Gasket (19780563) – $7.79
- Exhaust Pipe Gasket (12231636) – $10.29
- Exhaust Pipe Flange Gasket (10307338) – $11.99
- Exhaust Flange Hardware (10478046) – $16.29
What are the top-rated Exhaust Parts that fit the 2018 Subaru WRX?
Out of 99 reviews by customers, our 2018 Subaru WRX Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 2018 Subaru WRX and their top-rated products:
- Exhaust Gaskets
- Exhaust Manifold Gasket Set (19780857) – $25.99
- Exhaust Pipes
- Exhaust Manifold Gasket Set (19780857) – $25.99
What types of Exhaust Parts do you sell for my 2018 Subaru WRX?
As of 2/5/25, these are some of the most in-demand types of Exhaust Parts for a 2018 Subaru WRX:
Can I get help with 2018 Subaru WRX Exhaust Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Subaru Exhaust Parts and more.
What is your return policy for Subaru WRX Exhaust Parts?
Advance Auto Parts keeps returns simple. For new Subaru WRX Exhaust Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
