Cadillac STS Exhaust Manifold and Headers

Your Cadillac STS will be happy to know that the search for the right Exhaust Manifold and Headers you’ve been looking for is over! Advance Auto Parts has 7 different Exhaust Manifold and Headers for your vehicle, ready for shipping or in-store pick up. The best part is, our Cadillac STS Exhaust Manifold and Headers start from as little as $147.99.

When it comes to your Cadillac STS, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Exhaust Manifold and Headers brands so you can shop with complete confidence. Some of our top Exhaust Manifold and Headers brands are Dorman and Magnaflow. We’re sure you will get the right product to keep that STS running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Exhaust Manifold and Headers for your STS, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Cadillac Exhaust Manifold and Headers

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-522)

Direct Fit Exhaust Manifold: With Heat Shield

from

$114.99
Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

Product Features:
  • Upgraded materials – this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking
  • Complete kit – includes new manifold, manifold gasket, flange gasket, 3 studs, 3 nuts
  • Direct fit – reverse engineered from original equipment for seamless installation
  • Quality engineering – designed and tested in the United States
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Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-206)

Direct Fit Exhaust Manifold: With Heat Shield

from

$92.99
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
See More

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-732)

Direct Fit Exhaust Manifold: With Heat Shield

from

$162.99
Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

Product Features:
  • Upgraded materials – this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking
  • Complete kit – includes new manifold, manifold gasket, 2 flange gaskets, 3 studs, 3 nuts
  • Direct fit – reverse engineered from original equipment for seamless installation
  • Quality engineering – designed and tested in the United States
See More

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-218)

Direct Fit Exhaust Manifold: With Heat Shield

from

$105.99
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
See More

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-217)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$92.99
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
See More

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-573)

Direct Fit Exhaust Manifold: With Heat Shield

from

$149.99
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
See More

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-525)

Direct Fit Exhaust Manifold: With Heat Shield

from

$114.99
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
See More

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-496)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$108.99
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
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
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JBA Performance – 1850S-3 1 5/8" Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L (Part No.1850S-3)

1850S-3 1 5/8" Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L

from

$641.99
JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:
  • JBA Performance Exhaust 1850S-3 1 5/8″ Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L
  • Mandrel bent stainless steel tube
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

Hooker Headers – LS Cast Iron Exhaust Manifold (Part No.8501-3HKR)

LS Cast Iron Exhaust Manifold

from

$576.99
LS Cast Iron Exhaust Manifold

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
See More

aFe POWER – Twisted Steel Header (Part No.48-44001)

Twisted Steel Header

from

$1052.99
The new Twisted Steel performance header from aFe Power is redefining the header industry with new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow and velocity for power delivery across the entire power band. Combine with a large 1/2″ thick head flange and 14-gauge 409 stainless steel tubing, you have a header that is strong and powerful. Twisted Steel headers are 100-percent bolt-on with no modifications necessary and are proudly engineered and built in Corona, CA.

Product Features:
  • No Cutting Or Drilling Required
  • Formed Collectors
  • Heavy Duty Flanges
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aFe POWER – Twisted Steel Header (Part No.48-44003)

Twisted Steel Header

from

$1002.99
The new Twisted Steel performance header from aFe Power is redefining the header industry with new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow and velocity for power delivery across the entire power band. Combine with a large 1/2″ thick head flange and 14-gauge 409 stainless steel tubing, you have a header that is strong and powerful. Twisted Steel headers are 100-percent bolt-on with no modifications necessary and are proudly engineered and built in Corona, CA.

Product Features:
  • No Cutting Or Drilling Required
  • Formed Collectors
  • Heavy Duty Flanges
See More

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.
See More

JBA Performance – 1850S-1JS 1 5/8" Header Shorty Stainless Steel 99-02 GM Truck 6.0L Silver Ceramic (Part No.1850S-1JS)

1850S-1JS 1 5/8" Header Shorty Stainless Steel 99-02 GM Truck 6.0L Silver Ceramic

from

$813.99
JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:
  • JBA Performance Exhaust 1850S-1JS 1 5/8″ Header Shorty Stainless Steel 99-02 GM Truck 6.0L Silver Ceramic
  • Mandrel bent stainless steel tube
See More

JBA Performance – 1850S-3JS 1 5/8" Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L Silver Ceramic (Part No.1850S-3JS)

1850S-3JS 1 5/8" Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L Silver Ceramic

from

$799.99
JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:
  • JBA Performance Exhaust 1850S-3JS 1 5/8″ Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L Silver Ceramic
  • Mandrel bent stainless steel tube
See More

JBA Performance – 1850S-3JT 1 5/8" Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L Titanium Ceramic (Part No.1850S-3JT)

1850S-3JT 1 5/8" Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L Titanium Ceramic

from

$799.99
JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:
  • JBA Performance Exhaust 1850S-3JT 1 5/8″ Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L Titanium Ceramic
  • Mandrel bent stainless steel tube
See More

JBA Performance – 1 5/8" Header Shorty Stainless Steel (Part No.1850S-2JS)

1 5/8" Header Shorty Stainless Steel

from

$799.99
JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:
  • JBA Performance Exhaust 1850S-2JS 1 5/8″ Header Shorty Stainless Steel 02-2013 GM Truck/SUV 4.8/5.3 and 07-13 6.0/6.2L Silver Ceramic
  • Mandrel bent stainless steel tube
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.52220)

OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$795.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52220. 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 2010-2016 Cadillac SRX and 2011 Saab 9-4X, this direct-fit catalytic converter also interchanges with OE parts 22913044 and 20899953. 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

JBA Performance – 14-15 GM Trk DFI Sil (Part No.1850S-4JS)

14-15 GM Trk DFI Sil

from

$771.99
14-15 GM Trk DFI Sil

JBA Performance – GM Truck 14-19 5.3/6.2L Cat4Ward? Titanium Headers (Part No.1850S-4JT)

GM Truck 14-19 5.3/6.2L Cat4Ward? Titanium Headers

from

$771.99
GM Truck 14-19 5.3/6.2L Cat4Ward? Titanium Headers

JBA Performance – 1832SJT 1 1/2" Header Shorty Stainless Steel 96-99 GM Truck 5.0/5.7L Titanium Ceramic (Part No.1832SJT)

1832SJT 1 1/2" Header Shorty Stainless Steel 96-99 GM Truck 5.0/5.7L Titanium Ceramic

from

$719.99
JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:
  • JBA Performance Exhaust 1832SJT 1 1/2″ Header Shorty Stainless Steel 96-99 GM Truck 5.0/5.7L Titanium Ceramic
  • Mandrel bent stainless steel tube
See More

JBA Performance – 1832SJS 1 1/2" Header Shorty Stainless Steel 96-99 GM Truck 5.0/5.7L Silver Ceramic (Part No.1832SJS)

1832SJS 1 1/2" Header Shorty Stainless Steel 96-99 GM Truck 5.0/5.7L Silver Ceramic

from

$714.99
JBA shorty headers are one of the best performance upgrades available for any application. Hot Rodmagazine rated headers as one of the top 10 power parts installed on a vehicle. JBA shorty headers aresignificantly less restrictive than the stock manifol

Product Features:
  • JBA Performance Exhaust 1832SJS 1 1/2″ Header Shorty Stainless Steel 96-99 GM Truck 5.0/5.7L Silver Ceramic
  • Mandrel bent stainless steel tube
See More

FAQs for Cadillac STS Exhaust Manifold and Headers

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

With 2 brands you can trust, our most popular Exhaust Manifold and Headers for the Cadillac STS are:
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
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