2018 Cadillac XTS Exhaust Parts

Essential Exhaust Parts for 2018 Cadillac XTSs

Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-048)

Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

from

$495.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles.
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation.
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Felpro – Exhaust Manifold Gasket Set (Part No.MS 97344)

Exhaust Manifold Gasket Set

from

$11.49
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
  • Contains all gaskets and seals to remove and replace exhaust manifold
  • Contains all gaskets and seals to remove and replace exhaust manifold
See More

Felpro – EXHAUST FLANGE GASKET (Part No.61771)

EXHAUST FLANGE GASKET

from

$4.49
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.61766)

Exhaust Pipe Flange Gasket

from

$16.29
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:
  • 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.61012)

Exhaust Pipe Flange Gasket

from

$14.99
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

Felpro – Exhaust Pipe Flange Gasket (Part No.61054)

Exhaust Pipe Flange Gasket

from

$14.99
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

Walker – CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) (Part No.84206)

CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID)

from

$265.99
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:
  • 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
See More

Walker – Ultra EPA Direct Fit Catalytic Converter (Part No.16895)

Ultra EPA Direct Fit Catalytic Converter

from

$519.99
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:
  • 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
  • DIRECT-FIT DESIGNá–áDirect-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installationáthatádoesn┐t require specialized fabricationáand/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
  • KEEPS CHECK ENGINE LIGHT OFFáFOR EMISSIONS CODESá–áOE-style high-technologyáwashcoatáand optimaláprecious metal load delivers required reduction in tailpipe emissionsáto match vehicle application
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
  • STRONGáANDáDURABLEá–áFeatures thick OE-style flanges, hangersáandábrackets for strength andádurability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • OE-STYLE DESIGNá–áFeatures aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
See More

Walker – Ultra EPA Direct Fit Catalytic Converter (Part No.50584)

Ultra EPA Direct Fit Catalytic Converter

from

$537.99
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:
  • 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 DESIGNá–áDirect-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installationáthatádoesn┐t require specialized fabricationáand/or welding
  • KEEPS CHECK ENGINE LIGHT OFFáFOR EMISSIONS CODESá–áOE-style high-technologyáwashcoatáand optimaláprecious metal load delivers required reduction in tailpipe emissionsáto match vehicle application
  • STRONGáANDáDURABLEá–áFeatures thick OE-style flanges, hangersáandábrackets for strength andádurability
  • OE-STYLE DESIGNá–áFeatures aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
See More

Walker – Ultra EPA Direct Fit Catalytic Converter (Part No.16896)

Ultra EPA Direct Fit Catalytic Converter

from

$575.99
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:
  • 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
  • DIRECT-FIT DESIGNá–áDirect-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installationáthatádoesn┐t require specialized fabricationáand/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
  • KEEPS CHECK ENGINE LIGHT OFFáFOR EMISSIONS CODESá–áOE-style high-technologyáwashcoatáand optimaláprecious metal load delivers required reduction in tailpipe emissionsáto match vehicle application
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
  • STRONGáANDáDURABLEá–áFeatures thick OE-style flanges, hangersáandábrackets for strength andádurability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • OE-STYLE DESIGNá–áFeatures aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
See More

Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-049)

Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

from

$561.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles.
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation.
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.52001)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$715.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52001. 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 2014-2020 Chevrolet Impala, 2010-2015 Buick LaCrosse, and more, this direct-fit catalytic converter also interchanges with OE parts 19419593 and 20894010, among others. Hardware is included to eliminate the hassle of working with corroded factory parts. 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.
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.51205)

OEM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$194.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205 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:
  • 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.
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.52594)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$566.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52594. 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 2014-2020 Chevrolet Impala, 2012-2015 Buick LaCrosse, and more, this direct-fit catalytic converter also interchanges with OE parts 20926628 and 20965398, among others. Hardware is included to eliminate the hassle of working with corroded factory parts. 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.
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.52417)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$781.99
MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52417 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 2014-2020 Chevrolet Impala, 2013-2019 Cadillac XTS, and more, this direct-fit catalytic converter also interchanges with OE parts 19420103 and 19420281, among others. Hardware is included to eliminate the hassle of working with corroded factory parts. 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.
See More

Upgrade your 2018 Cadillac XTS with Top-Quality Exhaust Parts

When it comes to maintaining or upgrading your 2018 Cadillac XTS, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Cadillac or enhancing its overall performance, Exhaust Parts are key to keeping your XTS functioning at its best. At Advance Auto Parts, we offer a wide selection of 13 Exhaust Parts for the 2018 Cadillac XTS, designed to meet your needs without breaking the bank. From Catalytic Converter replacements to Exhaust Pipes 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 Cadillac XTS at great prices. Our Exhaust Parts inventory for this model ranges from just $4.49 to $781.99, with an average price of $328.74. Our 13 Exhaust Parts in stock come from 4 trusted brands, so you’re sure to find the right part for your 2018 Cadillac XTS 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 Cadillac XTS, we stock popular OEM and aftermarket Exhaust Parts from top names like FELPRO, and more. FELPRO Exhaust Parts start at just $4.49 and boast an impressive 5 stars average rating from customers. With 51 customer reviews and counting, our 2018 Cadillac XTS 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 Cadillac XTS is always ready to roll. We’re committed to providing you with everything you need to keep your XTS in top shape, all in one place. Start shopping confidently below for your 2018 Cadillac XTS!

Best-Selling Catalytic Converters for 2018 Cadillac XTSs

Enhance the driving experience in your Cadillac with 7 quality Catalytic Converter components, starting at $194.99.

MagnaFlow – OEM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.51205)

OEM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$194.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205 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:
  • 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.
See More

Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-049)

Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

from

$561.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles.
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation.
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.52417)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$781.99
MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52417 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 2014-2020 Chevrolet Impala, 2013-2019 Cadillac XTS, and more, this direct-fit catalytic converter also interchanges with OE parts 19420103 and 19420281, among others. Hardware is included to eliminate the hassle of working with corroded factory parts. 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.
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.52001)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$715.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52001. 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 2014-2020 Chevrolet Impala, 2010-2015 Buick LaCrosse, and more, this direct-fit catalytic converter also interchanges with OE parts 19419593 and 20894010, among others. Hardware is included to eliminate the hassle of working with corroded factory parts. 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.
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.52594)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$566.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52594. 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 2014-2020 Chevrolet Impala, 2012-2015 Buick LaCrosse, and more, this direct-fit catalytic converter also interchanges with OE parts 20926628 and 20965398, among others. Hardware is included to eliminate the hassle of working with corroded factory parts. 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.
See More

Walker – Ultra EPA Direct Fit Catalytic Converter (Part No.50584)

Ultra EPA Direct Fit Catalytic Converter

from

$537.99
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:
  • 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 DESIGNá–áDirect-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installationáthatádoesn┐t require specialized fabricationáand/or welding
  • KEEPS CHECK ENGINE LIGHT OFFáFOR EMISSIONS CODESá–áOE-style high-technologyáwashcoatáand optimaláprecious metal load delivers required reduction in tailpipe emissionsáto match vehicle application
  • STRONGáANDáDURABLEá–áFeatures thick OE-style flanges, hangersáandábrackets for strength andádurability
  • OE-STYLE DESIGNá–áFeatures aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
See More

Walker – CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) (Part No.84206)

CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID)

from

$265.99
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:
  • 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
See More

Most Popular 2018 Cadillac XTS Exhaust Pipes

Customize your Cadillac with 4 Exhaust Pipes products like Exhaust Pipe and Flange Gaskets, all priced under $16.29.

Felpro – Exhaust Pipe Flange Gasket (Part No.61054)

Exhaust Pipe Flange Gasket

from

$14.99
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

Felpro – Exhaust Pipe Flange Gasket (Part No.61012)

Exhaust Pipe Flange Gasket

from

$14.99
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

Felpro – EXHAUST FLANGE GASKET (Part No.61771)

EXHAUST FLANGE GASKET

from

$4.49
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.61766)

Exhaust Pipe Flange Gasket

from

$16.29
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:
  • 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

Top Picks for 2018 Cadillac XTS Exhaust Gaskets

Upgrade Cadillac XTSs with top-quality Exhaust Gaskets parts, including 1 OEM and aftermarket selections for your 2018 model.

Felpro – Exhaust Manifold Gasket Set (Part No.MS 97344)

Exhaust Manifold Gasket Set

from

$11.49
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
  • Contains all gaskets and seals to remove and replace exhaust manifold
  • Contains all gaskets and seals to remove and replace exhaust manifold
See More

In-Demand Exhaust Manifold and Headers for 2018 Cadillac XTSs

Select from 1 premium Exhaust Manifold and Headers parts for your 2018 Cadillac XTS.

Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-048)

Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

from

$495.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles.
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation.
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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Top-Rated Exhaust Parts Brands For Your 2018 Cadillac XTS

Shop for the best-rated brands offering Exhaust Parts and other products for your 2018 Cadillac XTSs. Below you’ll find some of our best rated Exhaust Parts from FELPRO, and more. Exhaust Parts from these brands that fit a 2018 XTS start at just $4.49 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 Cadillac XTS Exhaust Parts

When it comes to maintaining or upgrading your 2018 Cadillac XTS, 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 Cadillac XTS. 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 $4.49, with an average price of just $12.45. Plus, with over 10 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.

Exhaust Pipe Flange Gasket
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$16.29
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Exhaust Pipe Flange Gasket

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EXHAUST FLANGE GASKET
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$4.49
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EXHAUST FLANGE GASKET

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Exhaust Pipe Flange Gasket
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$14.99
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Exhaust Pipe Flange Gasket

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FAQs for 2018 Cadillac XTS Exhaust Parts

Which Exhaust Parts are best-sellers for 2018 Cadillac XTSs?

Out of 13 Exhaust Parts that fit 2018 Cadillac XTSs, the following parts are the top sellers:

What’s the price range for 2018 Cadillac XTS Exhaust Parts?

Exhaust Part prices for the 2018 Cadillac XTS start at $4.49 and go up to $781.99 for the most premium parts.

What’s the average price of a Exhaust Part for a 2018 Cadillac XTS?

The average price for Exhaust Parts for the 2018 Cadillac XTS is $328.74. 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 Cadillac XTS model years?

Yes, we currently carry Exhaust Parts for 6 model years of Cadillac XTSs between 2013 and 2019. Exhaust Parts are bought most frequently for the following model years: 2019, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Exhaust Parts for my 2018 Cadillac XTS?

The cheapest 2018 Cadillac XTS Exhaust Parts we carry in stock are:

What are the top-rated Exhaust Parts that fit the 2018 Cadillac XTS?

Out of 51 reviews by customers, our 2018 Cadillac XTS Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 2018 Cadillac XTS and their top-rated products:

What types of Exhaust Parts do you sell for my 2018 Cadillac XTS?

As of 2/5/25, these are some of the most in-demand types of Exhaust Parts for a 2018 Cadillac XTS:

Can I get help with 2018 Cadillac XTS Exhaust Part orders?

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

What is your return policy for Cadillac XTS Exhaust Parts?

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