2003 Chevrolet Silverado 2500 Exhaust Parts

Essential Exhaust Parts for 2003 Chevrolet Silverado 2500s

Walker – Exhaust Pipe Flange Gasket (Part No.31610)

Exhaust Pipe Flange Gasket

from

$9.99
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they¿re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Mahle – Exh. Man. to Pipe Ga (Part No.H4003206101MAH)

Exh. Man. to Pipe Ga

from

$11.33
Exh. Man. to Pipe Ga

Mahle – Exh. Man. to Pipe Ga (Part No.H4003205960MAH)

Exh. Man. to Pipe Ga

from

$13.87
Exh. Man. to Pipe Ga

Dorman – Help – Exhaust Stud Kit – M10-1.5 x 62mm (Part No.03133)

Exhaust Stud Kit - M10-1.5 x 62mm

from

$17.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.

Product Features:
  • Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
  • Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
  • Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Help – Exhaust Flange Stud Kit – M10-1.5 x 62mm Stainless Steel (Part No.03133HP)

Exhaust Flange Stud Kit - M10-1.5 x 62mm Stainless Steel

from

$26.99
This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.

Product Features:
  • Upgraded hardware – this set of six M10-1.5 exhaust manifold mounting studs and nuts are 100 percent stainless steel for superior heat and corrosion resistance.
  • Convenient solution – kit contains all the application-specific hardware necessary to join one exhaust manifold to one manifold flange
  • 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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Flowtech – Shorty Smog Headers (Part No.91835FLT)

Shorty Smog Headers

from

$415.99
Shorty Smog Headers

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

Exhaust Manifold Hardware Kit

from

$15.99
Our Exhaust Manifold Hardware Kit comes with the necessary installation components to assist you in replacing your manifold. Save time and energy by having the right hardware on hand when you need it.

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 Clamp Repair (Part No.917-142)

Exhaust Manifold Clamp Repair

from

$47.99
This exhaust manifold to cylinder head repair clamp is designed to match the fit and function of the original clamp on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Saves time – When an exhaust manifold fastener breaks, this exhaust manifold repair clamp saves time by creating a seal without needing to extract the broken stud.
  • Location-specific – engineered to fit the exhaust manifold on the front left or rear right on specified GM and Isuzu vehicles.
  • Complete kit – includes clamp and fasteners for a thorough, secure repair
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Dorman – Exhaust Manifold Clamp Repair (Part No.917-107)

Exhaust Manifold Clamp Repair

from

$51.99
This exhaust manifold to cylinder head repair clamp is designed to match the fit and function of the original clamp on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Saves time – When an exhaust manifold fastener breaks, this exhaust manifold repair clamp saves time by creating a seal without needing to extract the broken stud.
  • Location-specific – engineered to fit the exhaust manifold on specified GM and Isuzu vehicles on the front right on vehicles without EGR valve, or rear left.
  • Complete kit – includes clamp and fasteners for a thorough, secure repair
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Mr. Gasket – Exhsthdrbolt (Part No.2235G)

Exhsthdrbolt

from

$58.99
Headlock&trade: Bolts eliminate the need for lock washers, Period. That’s because each Headlock&trade: Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.

Product Features:
  • 12 per Package
  • Includes Ball Head Socket Tool – to Start Header Bolt Into Head
  • 410 stainless steel
  • Minimum 180,000 PSI tensile strength
  • 24 equally spaced clockwise teeth
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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
See More

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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Dorman – Exhaust Bolt (Part No.H80151097742DOR)

Exhaust Bolt

from

$35.60
Exhaust Bolt

Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66087)

Seal-4-Good Header Flange Gasket

from

$51.99
Seal-4-Good Header Flange Gasket

Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10604-01)

Exhaust Manifold Gasket Set

from

$27.49
As you would expect, extremely high temperatures are the sealing challenge for exhaust manifold gaskets. Victor Reinz has a long heritage of supplying manifold gaskets to original equipment vehicle manufacturers. Therefore, Victor Reinz exhaust manifold gaskets meet OE specifications on a wide range of vehicles, covering the most recent high-tech engine designs and going back decades to the muscle car era.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More

Elring – Exhaust Manifold Gas (Part No.A8111353782ELR)

Exhaust Manifold Gas

from

$32.22
Exhaust Manifold Gas

Felpro – Exhaust Manifold Gasket Set (Part No.MS 92467)

Exhaust Manifold Gasket Set

from

$31.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Contains all gaskets and seals to remove and replace exhaust manifold
  • Contains all gaskets and seals to remove and replace exhaust manifold
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BRExhaust – Exhaust Flange Gasket (Part No.256-1053)

Exhaust Flange Gasket

from

$11.79
BRExhaust replacement exhaust brackets make repairs easy. Each gasket has been engineered to according to OE standards to ensure a gas-tight connection and precise fitment. Utilizing the OE specifications also makes installation easy.

Product Features:
  • Designed to facilitate hassle-free exhaust repair
  • Precise fitment
  • Manufactured from quality materials to ensure maximum durability
  • Designed for a leak free connection
  • OE structure and design
  • Built to OEM specifications
  • Secure gas-tight connection
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Walker – Exhaust Pipe Flange Gasket (Part No.31718)

Exhaust Pipe Flange Gasket

from

$17.49
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they¿re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • HEAT RESISTANT — Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.61287)

Exhaust Pipe Flange Gasket

from

$8.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.61323)

Exhaust Pipe Flange Gasket

from

$6.49
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

Walker – CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) (Part No.81713)

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

from

$1073.99
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.
  • 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
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Walker – CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID) (Part No.83509)

CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID)

from

$641.99
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

MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.447283)

California Grade CARB Compliant Direct-Fit Catalytic Converter

from

$1151.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 447283. 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 2002-2006 GMC Sierra 2500 HD, 2001-2005 Chevrolet Silverado 1500 HD, and additional vehicles. 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

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 CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Walker – CalCat CARB Direct Fit Catalytic Converter 3.25" Inlet (ID) (Part No.81761)

CalCat CARB Direct Fit Catalytic Converter 3.25" Inlet (ID)

from

$2429.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Direct-Fit Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit.

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.
  • 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 or welding
  • 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
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and stainless-steel body with aluminized pipe and heat shields for durability
See More

MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.93623)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$623.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93623. 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 2001-2006 Chevrolet Silverado 1500 HD, 2001-2002 Chevrolet Silverado 2500, and additional vehicles. 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 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 2003 Chevrolet Silverado 2500 with Top-Quality Exhaust Parts

When it comes to maintaining or upgrading your 2003 Chevrolet Silverado 2500, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Chevrolet or enhancing its overall performance, Exhaust Parts are key to keeping your Silverado 2500 functioning at its best. At Advance Auto Parts, we offer a wide selection of 37 Exhaust Parts for the 2003 Chevrolet Silverado 2500, designed to meet your needs without breaking the bank. From Exhaust Gasket 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 2003 Chevrolet Silverado 2500 at great prices. Our Exhaust Parts inventory for this model ranges from just $6.49 to $1,307.99, with an average price of $142.92. Our 37 Exhaust Parts in stock come from 13 trusted brands, so you’re sure to find the right part for your 2003 Chevrolet Silverado 2500 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 2003 Chevrolet Silverado 2500, we stock popular OEM and aftermarket Exhaust Parts from top names like FELPRO, Dorman, Mahle, and more. FELPRO Exhaust Parts start at just $6.49 and boast an impressive 5 stars average rating from customers. Dorman and Mahle also bring quality to the table, with Exhaust Parts available starting at $11.33, and at an average 4 stars rating. With 166 customer reviews and counting, our 2003 Chevrolet Silverado 2500 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 2003 Chevrolet Silverado 2500 is always ready to roll. We’re committed to providing you with everything you need to keep your Silverado 2500 in top shape, all in one place. Start shopping confidently below for your 2003 Chevrolet Silverado 2500!

Best-Selling Exhaust Gaskets for 2003 Chevrolet Silverado 2500s

Enhance the driving experience in your Chevrolet with 8 quality Exhaust Gasket components, starting at $15.90.

Felpro – Exhaust Manifold Gasket Set (Part No.MS 92467)

Exhaust Manifold Gasket Set

from

$31.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Contains all gaskets and seals to remove and replace exhaust manifold
  • Contains all gaskets and seals to remove and replace exhaust manifold
See More

MAHLE Original – Exhaust Manifold Gasket Set (Part No.MS16124)

Exhaust Manifold Gasket Set

from

$35.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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GM Genuine Parts – Exhaust Manifold Gasket (Part No.12617944)

Exhaust Manifold Gasket

from

$17.99
GM Genuine Parts Exhaust Manifold Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They help form a gas-tight connection between the exhaust manifold and cylinder heads. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Helps prevent exhaust leaks
  • Helps provide a tight seal where the exhaust manifold mounts to the engine block
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Remflex – Flexible Graphite, Set Of 2 (Part No.2008)

Flexible Graphite, Set Of 2

from

$31.99
Remflex unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000 degrees – day after day, week after week, year after year. Now, they are bringing this technology to enthusiasts of all kinds to eliminate exhaust leaks for good Whether you have an old pick-up that needs a manifold gasket, or a race car with custom-built headers, you can be assured that Remflex exhaust gaskets will work properly the first time, every time.

Product Features:
  • 100 Percent Flexible Graphite Construction
  • Designed To Withstand Clamping Force And Incredible Heat
  • Eliminate Exhaust Leaks
  • No Re-Torquing Necessary, Remflex Exhaust Gaskets Rebound 30 Percent, Creating An Optimum Seal That Eliminates The Need To Re-Torque
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Felpro – Exh. Manifold Gasket (Part No.A8112975227FEL)

Exh. Manifold Gasket

from

$19.16
Exh. Manifold Gasket

Elring – Exhaust Manifold Gas (Part No.A8111353782ELR)

Exhaust Manifold Gas

from

$32.22
Exhaust Manifold Gas

Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10604-01)

Exhaust Manifold Gasket Set

from

$27.49
As you would expect, extremely high temperatures are the sealing challenge for exhaust manifold gaskets. Victor Reinz has a long heritage of supplying manifold gaskets to original equipment vehicle manufacturers. Therefore, Victor Reinz exhaust manifold gaskets meet OE specifications on a wide range of vehicles, covering the most recent high-tech engine designs and going back decades to the muscle car era.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More

Mahle – Exhaust Manifold Gasket Set (Part No.A8112353763MAH)

Exhaust Manifold Gasket Set

from

$15.90
MAHLE Cleveite Inc. is not responsible for failures resulting from owner, operator or third party abuse or neglect including, but not limited to engine operation without adequate lubricant or coolant, over or under-fuelling, over-speeding, lack of proper maintenance to cooling, lubrication or air intake systems, improper storage, starting, warm-up, run-in or shutdown procedures or the continued operation of an engine after the first sign of a malfunction. MAHLE Cleveite Inc. is not responsible for failures resulting from improper installation or repair procedures, alteration or the misapplication of parts, or use in engines modified for competition or levels of performance beyond the engine manufacturers original specifications. Mahle/Cleveite – (The MAHLE Group) is one of the largest global automotive parts manufacturers, specializing in Engine Components, Filtration and Peripherals.
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Most Popular 2003 Chevrolet Silverado 2500 Exhaust Pipes

Customize your Chevrolet with 2 Exhaust Pipes products like Exhaust Pipe and Flange Gaskets, all priced under $8.79.

Felpro – Exhaust Pipe Flange Gasket (Part No.61323)

Exhaust Pipe Flange Gasket

from

$6.49
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.61287)

Exhaust Pipe Flange Gasket

from

$8.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Top Picks for 2003 Chevrolet Silverado 2500 Catalytic Converters

Upgrade Chevrolet Silverado 2500s with top-quality Catalytic Converters parts, including 11 OEM and aftermarket selections for your 2003 model.

MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.447209)

California Grade CARB Compliant Universal Catalytic Converter

from

$390.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 447209 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

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 CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Felpro – Exhaust Pipe Gasket (Part No.H4006977224FEL)

Exhaust Pipe Gasket

from

$11.32
Exhaust Pipe Gasket

Mahle – Exh. Man. to Pipe Ga (Part No.H4003205960MAH)

Exh. Man. to Pipe Ga

from

$13.87
Exh. Man. to Pipe Ga

Mahle – Exh. Man. to Pipe Ga (Part No.H4003206101MAH)

Exh. Man. to Pipe Ga

from

$11.33
Exh. Man. to Pipe Ga

Walker – CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID) (Part No.81724)

CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID)

from

$849.99
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.
  • 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
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Walker – CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID) (Part No.83404)

CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID)

from

$485.99
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
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Walker – Ultra EPA Direct Fit Catalytic Converter 3" Outlet (OD) (Part No.55557)

Ultra EPA Direct Fit Catalytic Converter 3" Outlet (OD)

from

$719.99
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
  • 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
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
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MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.447109)

California Grade CARB Compliant Universal Catalytic Converter

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$523.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 447109 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

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 CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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AP Exhaust – Exhaust Pipe Gasket (Part No.H40061188618APE)

Exhaust Pipe Gasket

from

$45.94
Exhaust Pipe Gasket

Mahle – Exhaust Pipe Gasket (Part No.H4006205963MAH)

Exhaust Pipe Gasket

from

$16.20
Exhaust Pipe Gasket

Autopart International Inc – Exhaust Pipe Gasket (Part No.H40061911048API)

Exhaust Pipe Gasket

from

$10.20
Exhaust Pipe Gasket

In-Demand Exhaust Manifold and Headers for 2003 Chevrolet Silverado 2500s

Select from 9 premium Exhaust Manifold and Headers parts for your 2003 Chevrolet Silverado 2500, with prices ranging from $12.79 to $1,307.99.

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 – 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

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

Mr. Gasket – Black Oxide Header Bolts for Tight Spaces (Part No.918G)

Black Oxide Header Bolts for Tight Spaces

from

$12.79
Black oxide finished carbon steel header bolts have a compact hex head and the flange is ideal for use where space is minimal – your typical header flange. Includes twelve (12) M8 – 1.25 x 25mm header bolts.

Product Features:
  • 12 per Package
  • Fits GM LS Series Engines
  • Black Oxide Finish Resists Corrosion
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Dorman – Exhaust Bolt (Part No.H80151097742DOR)

Exhaust Bolt

from

$35.60
Exhaust Bolt

Mr. Gasket – Exhsthdrbolt (Part No.2235G)

Exhsthdrbolt

from

$58.99
Headlock&trade: Bolts eliminate the need for lock washers, Period. That’s because each Headlock&trade: Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.

Product Features:
  • 12 per Package
  • Includes Ball Head Socket Tool – to Start Header Bolt Into Head
  • 410 stainless steel
  • Minimum 180,000 PSI tensile strength
  • 24 equally spaced clockwise teeth
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aFe POWER – Twisted Steel Header (Part No.48-44001)

Twisted Steel Header

from

$1307.99
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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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
See More

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
See More

Most Sold 2003 Chevrolet Silverado 2500 Exhaust Hangers

Explore our best-selling Chevrolet parts for the 2003 Silverado 2500 among 2 OEM and aftermarket options starting from $17.29.

Dorman – Help – Exhaust Stud Kit – M10-1.5 x 62mm (Part No.03133)

Exhaust Stud Kit - M10-1.5 x 62mm

from

$17.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.

Product Features:
  • Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
  • Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
  • Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Help – Exhaust Flange Stud Kit – M10-1.5 x 62mm Stainless Steel (Part No.03133HP)

Exhaust Flange Stud Kit - M10-1.5 x 62mm Stainless Steel

from

$26.99
This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.

Product Features:
  • Upgraded hardware – this set of six M10-1.5 exhaust manifold mounting studs and nuts are 100 percent stainless steel for superior heat and corrosion resistance.
  • Convenient solution – kit contains all the application-specific hardware necessary to join one exhaust manifold to one manifold flange
  • 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

Top-Rated Exhaust Parts Brands For Your 2003 Chevrolet Silverado 2500

Shop for the best-rated brands offering Exhaust Parts and other products for your 2003 Chevrolet Silverado 2500s. Below you’ll find some of our best rated Exhaust Parts from FELPRO, Dorman, and Mahle, and more. Exhaust Parts from these brands that fit a 2003 Silverado 2500 start at just $6.49 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 2003 Chevrolet Silverado 2500 Exhaust Parts

When it comes to maintaining or upgrading your 2003 Chevrolet Silverado 2500, 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 2003 Chevrolet Silverado 2500. With over 6 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 $6.49, with an average price of just $17.12. Plus, with over 51 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 MANIFOLD BOLT SET
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$24.99
This product is not rated

EXHAUST MANIFOLD BOLT SET

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Exhaust Pipe Gasket
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$11.32
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Exhaust Pipe Gasket

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Exh. Manifold Gasket
from
$19.16
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Exh. Manifold Gasket

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Popular Dorman 2003 Chevrolet Silverado 2500 Exhaust Parts

Dorman auto parts is one of the highest quality Exhaust Part brands in the market. Any 2003 Chevrolet Silverado 2500 owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 2003 Silverado 2500, Advance Auto Parts carries a full inventory of 12 Dorman Exhaust Parts. Plus you will be keeping your Chevrolet in peak condition while saving money because prices on these Dorman Exhaust Parts range from $15.99 to $162.99, plus, with more than 97 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Exhaust Parts below will deliver on both quality and value.

Exhaust Bolt
from
$35.6
This product is not rated

Exhaust Bolt

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Exhaust Manifold Repair Clamp
from
$31.99
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Exhaust Manifold Repair Clamp

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Exhaust Manifold Hardware Kit - M8-1.25 Stainless Steel
from
$28.99
This product is not rated

Exhaust Manifold Hardware Kit – M8-1.25 Stainless Steel

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FAQs for 2003 Chevrolet Silverado 2500 Exhaust Parts

Which Exhaust Parts are best-sellers for 2003 Chevrolet Silverado 2500s?

Out of 37 Exhaust Parts that fit 2003 Chevrolet Silverado 2500s, the following parts are the top sellers:

What’s the price range for 2003 Chevrolet Silverado 2500 Exhaust Parts?

Exhaust Part prices for the 2003 Chevrolet Silverado 2500 start at $6.49 and go up to $1,307.99 for the most premium parts.

What’s the average price of a Exhaust Part for a 2003 Chevrolet Silverado 2500?

The average price for Exhaust Parts for the 2003 Chevrolet Silverado 2500 is $142.92. 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 Chevrolet Silverado 2500 model years?

Yes, we currently carry Exhaust Parts for 5 model years of Chevrolet Silverado 2500s between 1999 and 2004. Exhaust Parts are bought most frequently for the following model years: 2004, 2002, 2001, 2000, and 1999.

What are the cheapest Exhaust Parts for my 2003 Chevrolet Silverado 2500?

The cheapest 2003 Chevrolet Silverado 2500 Exhaust Parts we carry in stock are:

What are the top-rated Exhaust Parts that fit the 2003 Chevrolet Silverado 2500?

Out of 166 reviews by customers, our 2003 Chevrolet Silverado 2500 Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 2003 Chevrolet Silverado 2500 and their top-rated products:

What types of Exhaust Parts do you sell for my 2003 Chevrolet Silverado 2500?

As of 2/5/25, these are some of the most in-demand types of Exhaust Parts for a 2003 Chevrolet Silverado 2500:

Can I get help with 2003 Chevrolet Silverado 2500 Exhaust Part orders?

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

What is your return policy for Chevrolet Silverado 2500 Exhaust Parts?

Advance Auto Parts keeps returns simple. For new Chevrolet Silverado 2500 Exhaust Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.