Subaru WRX STI Exhaust Parts

Essential Subaru WRX STI Exhaust Parts

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.32112)

Exhaust Manifold Hardware Kit

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:
  • 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
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Dorman – Help – Exhaust Flange Hardware (Part No.03114)

Exhaust Flange Hardware

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:
  • New hardware helps fix exhaust leaks
  • Depending on the application, kits include hardware to securely attach the manifold to the exhaust system
  • Also available separately (where applicable)
  • Hardened steel construction for long-lasting durability
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Victor Reinz – Exhaust Pipe Flange Gasket (Part No.71-15627-00)

Exhaust Pipe Flange Gasket

from

$11.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Felpro – Exhaust Pipe Flange Gasket (Part No.60957)

Exhaust Pipe Flange Gasket

from

$9.79
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:
  • 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
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Felpro – Exhaust Pipe Flange Gasket (Part No.61106)

Exhaust Pipe Flange Gasket

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:
  • 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
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Victor Reinz – Exhaust Pipe Flange Gasket (Part No.71-15799-00)

Exhaust Pipe Flange Gasket

from

$15.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Felpro – Exhaust Manifold Gasket Set (Part No.MS 95088)

Exhaust Manifold Gasket Set

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:
  • 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
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Dorman – Help – Exhaust Manifold Bolt Kit (Part No.03423)

Exhaust Manifold Bolt Kit

from

$9.99
This exhaust bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this exhaust bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
  • Thread Diameter: M10x1.25
  • Package Contents: 2 Bolts; 2 Nuts
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MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.24416)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$846.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24416. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 2005-2009 Subaru Outback, 2008-2014 Subaru Impreza, and more, this direct-fit catalytic converter also interchanges with OE parts 44102AG030 and 44102AG040, 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:
  • 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.
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MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.49161)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$781.99
MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49161 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 2008-2014 Subaru Impreza and 2015-2016 Subaru WRX STI, this direct-fit catalytic converter also interchanges with OE part 44611AA250. 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 California or Federal/EPA Emission systems.

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.
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MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.49160)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$966.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49160. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 2009-2013 Subaru Forester, 2005-2009 Subaru Outback, and more, this direct-fit catalytic converter also interchanges with OE parts 44102AG030 and 44102AG040, 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:
  • 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.
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MagnaFlow – Competition Series Axle-Back Performance Exhaust System (Part No.19362)

Competition Series Axle-Back Performance Exhaust System

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:
  • Crafted from 409 stainless steel with all mandrel-bent tubing
  • Increased horsepower and torque
  • Aggressive exterior sound
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Borla Performance Exhaust – T-304 Ss, 3" Pipe Dia To 2.25" Dia, Single Exhaust With Dual Exit (Part No.140595)

T-304 Ss, 3" Pipe Dia To 2.25" Dia, Single Exhaust With Dual Exit

from

$1548.99
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:
  • 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
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MagnaFlow – Competition Series Cat-Back Performance Exhaust System (Part No.19361)

Competition Series Cat-Back Performance Exhaust System

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:
  • Crafted from 409 stainless steel with all mandrel-bent tubing
  • Increased horsepower and torque
  • Aggressive exterior sound
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MBRP Exhaust – Pro Series, 2.5 In Axle Back System: Polished Tip, 304 Stainless Steel, Designed for Power and Sound (Part No.S4801304)

Pro Series, 2.5 In Axle Back System: Polished Tip, 304 Stainless Steel, Designed for Power and Sound

from

$371.99
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:
  • Enhanced Sound And Tone Of Boxer Engine
  • T304 Stainless Steel
  • Limited Lifetime Warranty
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Helping You Find the Right Exhaust Parts for Your Subaru WRX STI

You love your WRX STI. So we’ve made it easier than ever to help you find Subaru WRX STI Exhaust Parts in our online catalog. Our inventory holds 21 aftermarket and OEM Exhaust Parts for your Subaru WRX STI, ranging from $7.49 to $1,548.99.

We offer parts from 8 brands trusted to make quality Exhaust Parts for your Subaru WRX STI. Before you buy, take some time to read through customer reviews. We currently have 490 reviews of Subaru WRX STI Exhaust Parts from previous customers.

Find your WRX STI Exhaust Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Subaru WRX STI part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Exhaust Parts Brands for Your Subaru WRX STI

Our inventory holds Exhaust Parts for your Subaru WRX STI from 8 trusted brands. You’ll find OEM and aftermarket parts from brands like Felpro, Dorman, and Nippon Reinz, all of which can keep that Subaru happy.
We have Dorman – Help parts available for your Subaru WRX STI in categories like Exhaust Hardware and Exhaust Manifold and Headers. Some of the top-rated Dorman – Help parts in these categories are:
Exhaust Manifold Bolt Kit
from $9.99
(1)
Exhaust Manifold Bolt Kit
Exhaust Bolts
Exhaust Flange Hardware
from $16.29
(2)
Exhaust Flange Hardware
Exhaust Manifold and Header Hardware

Top-Rated Felpro Exhaust Parts

Leading Felpro Exhaust Parts

We carry Felpro brand parts for your Subaru WRX STI across several catalog categories, including Exhaust Pipes and Exhaust Gaskets. Some of our most reviewed Felpro parts include:
Exhaust Pipe Flange Gasket
from $21.49
(15)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets
Exhaust Manifold Gasket Set
from $25.99
(15)
Exhaust Manifold Gasket Set
Exhaust Manifold Gaskets

FAQs for Subaru WRX STI Exhaust Parts

What are the most purchased Exhaust Parts for the Subaru WRX STI?

Out of 21 Exhaust Parts for the Subaru WRX STI, the most popular in our inventory are:
Exhaust Pipe Flange Gasket
from $9.99
This product is not rated
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets
Exhaust Pipe Flange Gasket
from $9.79
This product is not rated
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets
Exhaust Pipe Flange Gasket
from $7.79
This product is not rated
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets