2018 Subaru WRX STI Exhaust Parts

Essential 2018 Subaru WRX STI Exhaust Parts

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
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.60902)

Exhaust Pipe Flange Gasket

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:
  • 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
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.60992)

Exhaust Pipe Flange Gasket

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:
  • 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
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.61365)

Exhaust Pipe Flange Gasket

from

$9.99
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
See More

Nippon Reinz – Exhaust Manifold Gasket (Part No.A8111117645NRZ)

Exhaust Manifold Gasket

from

$15.36
Nippon Reinz engineers work with OEMs to develop complete engine sealing solutions for gasoline, diesel, and alternative energy vehicles. We employ custom sealing solutions through our expert problem solving utilizing our regional research and development centers. As an Integral Partner with Virtually Every major vehicle and engine manufacturer worldwide, Nippon Reinz offers a comprehensive range of sealing Innovative Systems, INCLUDING Head gaskets, Heat shields, sealing modules, secondary gaskets, Valve stem Seals, and transmission components. Exhaust Manifold to Head
See More

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.
See More

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
See More

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
See More

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
See More

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
See More

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
See More

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
See More

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
See More

2018 Subaru WRX STI Exhaust Parts

You count on your 2018 Subaru WRX STI to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Exhaust Parts. With 16 Exhaust Parts ranging in price from $7.49 to $1,548.99, you’re sure to find everything you need for your 2018 Subaru WRX STI.

Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 7 different brands like Felpro, Dorman, and Nippon Reinz. 2018 Subaru WRX STI Exhaust Parts start as low as $7.49!

One of the best ways to find top quality OEM or aftermarket Exhaust Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 66 extensive product reviews on 2018 Subaru WRX STI Exhaust Parts.

Did we mention you can order your Exhaust Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Exhaust Parts inventory for your 2018 Subaru WRX STI below to get started!

Top-Rated Exhaust Parts Brands For Your 2018 Subaru WRX STI

Trusted Exhaust Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2018 Subaru WRX STI running right for years to come. In our inventory you’ll find brands like Felpro, Dorman, Nippon Reinz, and even more.

Popular Dorman – Help Exhaust Parts

You’ll find popular Dorman – Help brand products across Exhaust Hardware and Exhaust Manifold and Headers. All are waiting to get your 2018 Subaru WRX STI back on the road. Some of the top-rated Dorman – Help products 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


If Felpro are what you’re looking for, our inventory holds plenty. We stock Felpro brand Exhaust Parts for your 2018 Subaru WRX STI, and 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 2018 Subaru WRX STI Exhaust Parts

What are the most purchased Exhaust Parts for the 2018 Subaru WRX STI?

Out of 16 Exhaust Parts for the 2018 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