2018 Cadillac ATS Exhaust System Kits

Keep Your 2018 Cadillac ATS in Top Shape with Quality Exhaust System Kits

Whether you’re repairing or upgrading your Exhaust System Kit, using high-quality parts is key to keeping your 2018 Cadillac ATS looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Exhaust System Kits and Exhaust Manifold Hardware Kits. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Exhaust System Kits from Trusted Brands

Looking for a reliable Exhaust System Kit? We’ve got you covered with options from brands you know and trust like Dorman. For example, Dorman Exhaust System Kits start at just $17.99 with an average 4.2 star rating. With over 34 reviews and a solid 5 star average, you can shop with confidence knowing other Cadillac ATS owners approve.

Explore Related Parts

While you’re upgrading or replacing your Exhaust System Kit, don’t forget to check out other key components like Catalytic Converters and Exhaust Manifold and Headers. At Advance Auto Parts, we’re here to help you keep your 2018 Cadillac ATS in peak condition, inside and out.

Essential 2018 Cadillac ATS Exhaust System Kits

Felpro – EXHAUST MANIFOLD BOLT SET (Part No.ES 75120)

EXHAUST MANIFOLD BOLT SET

from

$27.49
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:
  • Designed and manufactured to meet the needs of the exhaust system repair environment.
  • Verified, tested and certified proprietary Organic coating resists corrosion.
  • Tightly controlled coefficient of friction ensures reliable installation.
  • Application specific kit contents
  • Self-locking nuts (where applicable).
See More

Dorman – Help – Exhaust Manifold Hardware Kit – M8-1.25 Stainless Steel (OE Fix) (Part No.03413HP)

Exhaust Manifold Hardware Kit - M8-1.25 Stainless Steel (OE Fix)

from

$32.99
The factory-style bolts used to secure the exhaust manifold to the cylinder head on certain vehicles are prone to cracking and failure from extreme thermal cycles and corrosion. This convenient Dorman OE FIX hardware kit contains twelve M8-1.25 x 30mm bolts made of 100 percent stainless steel that provide superior strength and resistance to corrosion. The bolts are precision-manufactured to match the fit and function of the original equipment hardware, and help ensure a professional and more durable repair. The kit contains the bolts required to install one exhaust manifold.

Product Features:
  • Upgraded hardware – this set of twelve M8-1.25 x 30mm exhaust manifold mounting bolts are 100 percent stainless steel for superior heat and corrosion resistance
  • Convenient solution – kit contains all the application-specific hardware necessary to install one exhaust manifold
  • Matches fit – this hardware matches the fit and function of the factory fasteners, while offering superior durability
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Exhaust Manifold Hardware Kit (Part No.675-226)

Exhaust Manifold Hardware Kit

from

$23.99
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

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03413B)

Exhaust Manifold Hardware Kit

from

$17.99
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

Borla Performance Exhaust – Axle-Back Exhaust System – S-Type (Part No.11844)

Axle-Back Exhaust System - S-Type

from

$646.99
Borla Performance Industries is the pioneer and leader in the design and manufacture of stainless steel performance exhaust. We began two decades ago as a manufacturer of exhaust systems for such “concours classics” as Rolls-Royce and Ferrari cars and have evolved into the premier manufacturer of today’s performance vehicles for the street, off-road, and racing.Borla is proud to offer a true “Made in the USA” product sold around the world. We are a company of motorheads, and it shows in our products, customer service, and culture. On weekends, the same Borla employees who built your exhaust or helped you with technical support can be found competing at tracks, drag strips, off-road events and car shows. Constructed using T-304 stainless steel for long life and sharp appearance, and features all welded construction for maximum durability. Unlike any other exhaust brand, Borla’systems are designed from scratch on a vehicle-by-vehicle basis. Every car or truck has unique mechanical and acoustical properties, all taken into account as we spend countless hours optimizing muffler body shapes, internal core configurations, flow dynamics,soundand more.

Product Features:
  • Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive powerful sound
  • Each system is built from premium, high-quality austenitic T-304 stainless steel
  • Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit
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MagnaFlow – Street Series Axle-Back Performance Exhaust System (Part No.15196)

Street Series Axle-Back Performance Exhaust System

from

$1414.99
The MagnaFlow 2013-2018 Cadillac ATS Street Series Axle-Back Performance Exhaust System brings enhanced engine sound and dyno-proven performance to your 3.6L 2013-2018 Cadillac ATS with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Cadillac ATS exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features an axle-back layout designed to replace your Cadillac ATS’s exhaust system from near the rear axle on back. With its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, your ride will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15196 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.

Product Features:
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
  • Dyno-proven performance
See More

Most Popular Exhaust System Kit for 2018 Cadillac ATSs

Enhance your 2018 Cadillac ATS with this popular Exhaust System Kit we have in stock, for $1,414.99.

MagnaFlow – Street Series Axle-Back Performance Exhaust System (Part No.15196)

Street Series Axle-Back Performance Exhaust System

from

$1414.99
The MagnaFlow 2013-2018 Cadillac ATS Street Series Axle-Back Performance Exhaust System brings enhanced engine sound and dyno-proven performance to your 3.6L 2013-2018 Cadillac ATS with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Cadillac ATS exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features an axle-back layout designed to replace your Cadillac ATS’s exhaust system from near the rear axle on back. With its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, your ride will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15196 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.

Product Features:
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
  • Dyno-proven performance
See More

Best-Selling 2018 Cadillac ATS Exhaust Manifold Hardware Kits

Upgrade your ATS with one of our 4 best-selling Exhaust Manifold Hardware Kits, earning an average 4.5 stars rating across 17 reviews.

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03413B)

Exhaust Manifold Hardware Kit

from

$17.99
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

Felpro – EXHAUST MANIFOLD BOLT SET (Part No.ES 75120)

EXHAUST MANIFOLD BOLT SET

from

$27.49
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:
  • Designed and manufactured to meet the needs of the exhaust system repair environment.
  • Verified, tested and certified proprietary Organic coating resists corrosion.
  • Tightly controlled coefficient of friction ensures reliable installation.
  • Application specific kit contents
  • Self-locking nuts (where applicable).
See More

Dorman – Help – Exhaust Manifold Hardware Kit – M8-1.25 Stainless Steel (OE Fix) (Part No.03413HP)

Exhaust Manifold Hardware Kit - M8-1.25 Stainless Steel (OE Fix)

from

$32.99
The factory-style bolts used to secure the exhaust manifold to the cylinder head on certain vehicles are prone to cracking and failure from extreme thermal cycles and corrosion. This convenient Dorman OE FIX hardware kit contains twelve M8-1.25 x 30mm bolts made of 100 percent stainless steel that provide superior strength and resistance to corrosion. The bolts are precision-manufactured to match the fit and function of the original equipment hardware, and help ensure a professional and more durable repair. The kit contains the bolts required to install one exhaust manifold.

Product Features:
  • Upgraded hardware – this set of twelve M8-1.25 x 30mm exhaust manifold mounting bolts are 100 percent stainless steel for superior heat and corrosion resistance
  • Convenient solution – kit contains all the application-specific hardware necessary to install one exhaust manifold
  • Matches fit – this hardware matches the fit and function of the factory fasteners, while offering superior durability
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Exhaust Manifold Hardware Kit (Part No.675-226)

Exhaust Manifold Hardware Kit

from

$23.99
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

Top-Rated Exhaust System Kit Brands For Your 2018 Cadillac ATS

When it comes to finding the perfect Exhaust System Kit for your 2018 Cadillac ATS, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Exhaust System Kit brands including Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $17.99. Purchasing a Exhaust System Kit from us here at Advance Auto Parts is a smart move for both you and your 2018 Cadillac ATS, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dorman 2018 Cadillac ATS Exhaust System Kits

If you’re looking for a top-quality Exhaust System Kit for your 2018 Cadillac ATS, Advance Auto Parts has exactly what you need with our selection of Dorman Exhaust System Kits. We have 1 Dorman Exhaust System Kits in stock for this fitment, all known for their durability and precision fit. With prices starting at just $17.99, you’ll find the perfect Exhaust System Kit for your needs and budget. Dorman Exhaust System Kits for the 2018 Cadillac ATS come highly rated, with over 17 customer reviews and an impressive average rating of 4.2 stars. Choosing a Dorman Exhaust System Kit from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Exhaust Manifold Hardware Kit
from $17.99
(17)
Exhaust Manifold Hardware Kit
“Bought a new manifold later that came with a gasket so I returned this item..”

FAQs for 2018 Cadillac ATS Exhaust System Kits

What are the best-selling Exhaust System Kits for 2018 Cadillac ATSs?

Out of 5 Exhaust System Kits that fit 2018 Cadillac ATSs, the following parts are the top sellers:

What’s the price range for 2018 Cadillac ATS Exhaust System Kits?

The prices of Exhaust System Kits for the 2018 Cadillac ATS range from $17.99 up to $1,414.99 for the most premium parts.

What is the average price of an Exhaust System Kit for a 2018 Cadillac ATS?

The average price for Exhaust System Kits for the 2018 Cadillac ATS is $179.99. Keep in mind the variety of part types within our Exhaust System Kit category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Exhaust System Kits for other Cadillac ATS model years?

Yes, we carry Exhaust System Kits for 5 model years of Cadillac ATSs between 2013 and 2019. The following model years are the most popular for Exhaust System Kit purchases: 2019, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Exhaust System Kits for my 2018 Cadillac ATS?

The cheapest 2018 Cadillac ATS Exhaust System Kits we carry are:

Does Advance Auto Parts sell Exhaust System Kits for any other 2018 Cadillac models?

Yes. We stock Exhaust System Kits for 4 other popular 2018 Cadillac models. Some of the most popular are 2018 Escalade Exhaust System Kits, 2018 Escalade ESV Exhaust System Kits, 2018 CTS Exhaust System Kits, 2018 CT6 Exhaust System Kits, and 2018 CT6 Plug-In Exhaust System Kits.

What are the top-rated Exhaust System Kits that fit the 2018 Cadillac ATS?

The one 2018 Cadillac ATS Exhaust System Kit we have in stock is the Exhaust Manifold Hardware Kit. It is rated 4.5 stars and costs $17.99.

What types of Exhaust System Kits do you sell for my 2018 Cadillac ATS?

As of 11/2/25, these are some of the most in-demand types of Exhaust System Kits for a 2018 Cadillac ATS:

Can I get help with 2018 Cadillac ATS Exhaust System Kit orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Exhaust System Kits and more.

What is your return policy for Cadillac ATS Exhaust System Kits?

Advance Auto Parts keeps returns simple. For new Cadillac ATS Exhaust System Kits and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.