Cadillac STS Exhaust Manifold and Headers

Your One-Stop Shop For Trusted Cadillac STS Exhaust Manifold and Headers

If you’re in search of Cadillac STS Exhaust Manifold and Headers aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 14 Exhaust Manifold and Headers from top brands with prices ranging from $17.99 to $1,047.99.

Beyond great prices, we stock trusted brands manufacturing all types of Exhaust Manifold and Headers for your Cadillac STS. Of the 3 OEM and aftermarket parts brands we carry, some of the most popular are Dorman, Taylor Gaskets, and MagnaFlow.

And don’t forget to read customer reviews across all Exhaust Manifold and Headers categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Exhaust Manifold and Headers have to cost top dollar, and we prove it. Browse our top Cadillac STS Exhaust Manifold and Headers below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Cadillac STS Exhaust Manifold and Headers

Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310070)

Vibe Lock Header Bolt Kit

from

$85.99
Vibe Lock Header Bolt Kit

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

Exhaust Manifold Hardware Kit

from

$22.49
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 Manifold Hardware Kit – M8-1.25 Stainless Steel (Part No.03413HP)

Exhaust Manifold Hardware Kit - M8-1.25 Stainless Steel

from

$28.99
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:
  • 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
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MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50761)

HM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$838.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50761. 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 to fit the 2005-2010 Cadillac STS and 2004-2009 Cadillac SRX. 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 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 Manifold Catalytic Converter (Part No.51071)

OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$1047.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51071. 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 to fit the 2005-2010 Cadillac STS and 2004-2009 Cadillac SRX. 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.
See More

MagnaFlow – OEM Grade Direct Fit Catalytic Converter – EPA Federal Compliant (Part No.H3000957928MAG)

OEM Grade Direct Fit Catalytic Converter - EPA Federal Compliant

from

$669.13
EPA Federal Compliant – Not Legal for sale or use in California. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. OEM Grade is for use with California Emmision Equipped vehicles outside the State of California, New York and Maine. MagnaFlow specializes in superior catalytic converter and exhaust technology and has spent the past 30+ years earning its reputation as a global market leader. American engineered and manufactured. MagnaFlow Catalytic Converters combine efficient industrial design to produce a product that exceeds, rather than meets, the highest standards of product performance and efficiency in the industry. MagnaFlow uses both Ceramic and Metallic substrates with different combinations of cell density and wall thickness to meet vehicle specific requirements. MagnaFlow Direct-Fit Catalytic Converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. All Federal catalytic converters meet EPA requirements. Federal Catalytic Converters are not legal for sale, installation or use on vehicles registered in the state of California.

Product Features:
  • Stainless steel construction
  • Direct-Fit; No welding or cutting
  • Ceramic and Metallic substrates
  • Federal Emissions compliant design
  • Formulated for Gas and Diesel Applications
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MagnaFlow – OEM Grade Direct Fit Catalytic Converter – EPA Federal Compliant (Part No.H3000128321MAG)

OEM Grade Direct Fit Catalytic Converter - EPA Federal Compliant

from

$867.05
EPA Federal Compliant – Not Legal for sale or use in California. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. OEM Grade is for use with California Emmision Equipped vehicles outside the State of California, New York and Maine. MagnaFlow specializes in superior catalytic converter and exhaust technology and has spent the past 30+ years earning its reputation as a global market leader. American engineered and manufactured. MagnaFlow Catalytic Converters combine efficient industrial design to produce a product that exceeds, rather than meets, the highest standards of product performance and efficiency in the industry. MagnaFlow uses both Ceramic and Metallic substrates with different combinations of cell density and wall thickness to meet vehicle specific requirements. MagnaFlow Direct-Fit Catalytic Converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. All Federal catalytic converters meet EPA requirements. Federal Catalytic Converters are not legal for sale, installation or use on vehicles registered in the state of California.

Product Features:
  • Stainless steel construction
  • Direct-Fit; No welding or cutting
  • Ceramic and Metallic substrates
  • Federal Emissions compliant design
  • Formulated for Gas and Diesel Applications
See More

Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-930)

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

from

$581.99
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 – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50760)

HM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$623.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50760. 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 to fit the 2005-2010 Cadillac STS and 2004-2009 Cadillac SRX. 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 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 Manifold Catalytic Converter (Part No.51131)

OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$663.99
MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51131 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. This direct-fit catalytic converter is designed specifically for the 2006-2009 Cadillac STS. 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.
See More

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-415)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$147.99
This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

Product Features:
  • Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
  • Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance
  • Complete repair – includes all necessary gaskets and downpipe hardware
  • Trustworthy design – built by industry leader in aftermarket manifolds
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MagnaFlow – OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.51070)

OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$654.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51070. 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 to fit the 2005-2010 Cadillac STS and 2004-2009 Cadillac SRX. 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.
See More

Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-931)

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

from

$538.99
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

Exhaust Manifold and Headers Brands You Can Trust For Your Cadillac STS

3 trusted brands of Exhaust Manifold and Headers line our shelves, ready to help keep your Cadillac STS running smooth. Below are some of the most popular brands and their top Exhaust Manifold and Headers offerings:

Popular Dorman – Help Exhaust Manifold and Headers

Dorman – Help products for the Cadillac STS span several categories. Some of the highest-rated Dorman – Help Exhaust Manifold and Headers that will fit your Cadillac STS are:
Exhaust Manifold Hardware Kit
from $17.99
(17)
Exhaust Manifold Hardware Kit
Exhaust Manifold and Header Hardware

Most Purchased Cadillac STS Exhaust Manifold and Headers from Dorman – Help

When you buy the most frequently purchased Dorman – Help brand Exhaust Manifold and Headers, you can be confident it will be the right part for your Cadillac STS. Here are the Dorman – Help Exhaust Manifold and Headers Advanced Auto customers buy the most:
Exhaust Manifold Hardware Kit
from $17.99
(17)
Exhaust Manifold Hardware Kit
Exhaust Manifold and Header Hardware
Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME
from $581.99
This product is not rated
Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME
Exhaust Manifold and Headers
Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME
from $538.99
This product is not rated
Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME
Exhaust Manifold and Headers

FAQs for Cadillac STS Exhaust Manifold and Headers

What are the most purchased Exhaust Manifold and Headers for the Cadillac STS?

Out of 14 Exhaust Manifold and Headers for the Cadillac STS, the most popular in our inventory are:
Vibe Lock Header Bolt Kit
from $85.99
This product is not rated
Vibe Lock Header Bolt Kit
Exhaust Manifold and Header Hardware
Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME
from $538.99
This product is not rated
Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME
Exhaust Manifold and Headers
Direct Fit Exhaust Manifold: Without Heat Shield
from $147.99
This product is not rated
Direct Fit Exhaust Manifold: Without Heat Shield
Exhaust Manifold and Headers