2003 Hummer H2 Exhaust Parts
More 2003 Hummer H2 Exhaust Parts Categories
If you’re looking for an original Exhaust Parts replacement for a 2003 Hummer H2, you can search through our selection below. You’ll also find aftermarket and OEM Exhaust Parts to meet your needs.
Essential 2003 Hummer H2 Exhaust Parts
Dorman – Exhaust Manifold Hardware Kit (Part No.675-226)
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$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.
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- 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
ARP Auto Racing – For Use With Chevy Ls V8 Engine, M8 Thread Size, Hex Head, Black Oxide, Set Of 12 (Part No.134-1102)
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$41.49
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.
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- Material Is Not Affected By Corrosion Or Extreme Heat
- The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
- Substantially Stronger Than Grade 8 Hardware
- Nominally Rated At 170,000 PSI Tensile Strength
- Set of 12
- 3/8” Wide Header Flange
- 1.181? Underhead Length
Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03413B)
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$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.
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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
Felpro – EXHAUST MANIFOLD BOLT SET (Part No.ES 75120)
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$24.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
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- Designed and manufactured to meet the needs of the exhaust system repair environment.
- Verified, tested and certified proprietary Organic coating resists corrosion.
- Tightly controlled coefficient of friction ensures reliable installation.
- Application specific kit contents
- Self-locking nuts (where applicable).
Walker – Extension Pipe Aluminized 25" (Part No.53852)
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$56.99
Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.
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- RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
- EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
- OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
- BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information
- COMPATIBILITY — Ideal for weld or clamp installations
Walker – Extension Pipe Aluminized 27.75" (Part No.53853)
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$136.99
Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.
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Product Features:
- RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
- EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
- OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
- BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information
- COMPATIBILITY — Ideal for weld or clamp installations
Walker – Ring Exhaust Pipe Flange Gasket: Fiber with Metal, Heat Resistant, Premium Materials (Part No.31610)
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$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.
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- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora 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
Dynomax – Ultra Flo Muffler: Universal Fit, Stainless Steel, 25" L, 4" In, 4" Out, Oval (Part No.17557)
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$195.99
DynoMax Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler
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- Stainless steel construction for lifelong protection
- 100% welded design for maximum durability
- Straight through design ensures unrestricted exhaust flow and reduces back pressure
- CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
- Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.
Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21431)
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$178.99
The only broad-market muffler with 100% stainless-steel construction, Walker® Quiet-Flow® SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.
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Product Features:
- CORROSION RESISTANT STAINLESS STEEL — The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
- EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
- BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
- PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
- DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on
BRExhaust – Exhaust Clamp (Part No.250-065)
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$8.29
Sourcing mounting parts from the manufacturer that designs and makes the exhaust system is the only way to guarantee the perfect fit. That’s why, whilst developing the exhaust system, BRExhaust also develops the installation hardware to the same standards.
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- whilst developing the exhaust system
- BRExhaust also develops the installation hardware to the same standards.
- Manufactured from quality materials to ensure maximum durability
- Proper fit and functionality to finish your install
- Perfect, gas-tight performance
- Exhaust accessory that facilitates a complete installation process.
- Built to OEM specifications
Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.5 (Part No.35337)
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$8.99
Complete your exhaust repair with an Exhaust Mate® U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.
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- CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
- PREMIUM MATERIALS – Made from quality material for durability and long life
- BETTER TOGETHER — Use Walker® accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade
JBA Performance – 40-3023 3" Stainless Steel Exhaust System 03-06 H2 Hummer 6.0L 4 Wheel Drive (Part No.40-3023)
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$485.99
When it comes to performance exhaust systems, most people are looking for three things: Power, sound,and quality. JBA Exhaust Systems deliver the best of all three, giving it both great looks and performance.One of the first performance upgrades typical
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- JBA Performance Exhaust 40-3023 3″ Stainless Steel Exhaust System 03-06 H2 Hummer 6.0L 4 Wheel Drive
- Large diameter stainless steel mandrel-bent tube
Dorman – Help – Exhaust Stud Kit – M10-1.5 x 62mm (Part No.03133)
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$17.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
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- Direct replacement for a proper fit every time
- Durable steel construction
- New hardware helps fix exhaust leaks
- Also available in the Exhaust Manifold Hardware Kit
Dorman – Help – Exhaust Flange Stud Kit – M10-1.5 x 62mm Stainless Steel (Part No.03133HP)
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$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.
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- 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
Felpro – Exhaust Pipe Flange Gasket (Part No.61323)
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$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
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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
Felpro – Exhaust Pipe Flange Gasket (Part No.61089)
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$5.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
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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
Walker – Exhaust 35229 Exhaust System Hanger Insulator (Part No.35229)
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$7.79
Complete your exhaust repair with Walker® insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.
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Product Features:
- OE DESIGN — Designed with OE-style features for easy installation and fit
- PREMIUM MATERIALS — Made from high-quality materials for durability and long life
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
- KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
- BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-732)
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$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.
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- 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
JBA Performance – 1850S-3JT 1 5/8" Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L Titanium Ceramic (Part No.1850S-3JT)
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$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
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- 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
MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.445009)
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$554.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 445009 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.
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- 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.
MagnaFlow – HM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.99206HM)
from
$178.99
MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99206HM helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
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- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
- Compact, lightweight construction enables installation in confined areas, welding is required.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.24083)
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$655.99
MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24083 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 2003-2006 Hummer H2. 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.
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- 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.
Dorman – Exhaust Bolt (Part No.H80151097742DOR)
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$32.09
Exhaust Bolt
Felpro – Exh. Manifold Gasket (Part No.A8112975227FEL)
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$17.79
Exh. Manifold Gasket
Elring – Exhaust Manifold Gas (Part No.A8111353782ELR)
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$25.75
Exhaust Manifold Gas
MAHLE Original – EXH MANIFOLD GKT SET (Part No.MS16124)
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$35.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
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- 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
Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10604-01)
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$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.
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- 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.
Felpro – Exhaust Manifold Gasket Set (Part No.MS 92467)
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$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
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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
Popular 2003 Hummer H2 Exhaust Parts Categories
2003 Hummer H2 Exhaust Parts
You count on your 2003 Hummer H2 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Exhaust Parts. With 48 Exhaust Parts ranging in price from $2.99 to $1,070.99, you’re sure to find everything you need for your 2003 Hummer H2.
Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 13 different brands like Dorman, Walker, and Felpro. 2003 Hummer H2 Exhaust Parts start as low as $2.99!
One of the best ways to find top quality OEM or aftermarket Exhaust Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 193 extensive product reviews on 2003 Hummer H2 Exhaust Parts. Some of the top-rated Exhaust Parts products we carry are Exhaust Pipe Flange Gasket with 4.7 stars and Direct Fit Exhaust Manifold: With Heat Shield with 4.7 stars.
Did we mention you can order your Exhaust Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Exhaust Parts inventory for your 2003 Hummer H2 below to get started!
Top-Rated Exhaust Parts Brands For Your 2003 Hummer H2
Trusted Exhaust Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Hummer H2 running right for years to come. In our inventory you’ll find brands like Dorman, Walker, Felpro, and even more.
Popular MAHLE Original Exhaust Parts
You’ll find popular MAHLE Original brand products across Exhaust Gaskets. All are waiting to get your 2003 Hummer H2 back on the road. Some of the top-rated MAHLE Original products in these categories are:
Top-Rated Dorman – Help Exhaust Parts
If Dorman – Help are what you’re looking for, our inventory holds plenty. We stock Dorman – Help brand Exhaust Parts for your 2003 Hummer H2, and some of our most reviewed Dorman – Help parts include:
FAQs for 2003 Hummer H2 Exhaust Parts
What are the most purchased Exhaust Parts for the 2003 Hummer H2?
Out of 48 Exhaust Parts for the 2003 Hummer H2, the most popular in our inventory are:
What are the top-rated 2003 Hummer H2 Exhaust Parts?
Top-rated Exhaust Parts for your 2003 Hummer H2 based on customer reviews/ratings are:
