2003 Chevrolet Trailblazer Exhaust Parts
Find Your Specific 2003 Chevrolet Trailblazer Exhaust Parts
Below you will find various in-demand Chevrolet Exhaust Parts, components and accessories for your 2003 Trailblazer. Advance Auto Parts has popular Trailblazer parts like Exhaust Pipes, Exhaust Fittings, Exhaust Manifold and Headers and more. You’ll also find aftermarket and OEM Exhaust Parts for other Trailblazer model years including
2002,
2004,
2005,
2006,
2007,
2008,
2009 and more. Select a category of 2003 Chevrolet Trailblazer Exhaust Parts below and start saving instantly.
Popular 2003 Chevrolet Trailblazer Exhaust Parts Categories
Essential Exhaust Parts for 2003 Chevrolet Trailblazers
Mr. Gasket – Mls Exhaust Gasket (Part No.4805G)
from
$49.49
Multi-Layered Steel (MLS) exhaust and header collector gaskets are designed for extreme cylinder pressures produced by high horsepower high compression turbo-charged, supercharged and nitrous oxide injected engines. Manufactured from three stainless steel layers, they resist corrosion, will not burn through or push out and maintain maximum fastener torque retention. Stress formed inner and outer layer embossments act like springs that rebound under exhaust flange clamp load, creating force to seal extreme exhaust pressures. Total gasket thickness .075 inch. Will not deteriorate from scrubbing action caused by different expansion rates in aluminum and steel materials.
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Product Features:
- Multi Layer Stainless Steel 3-Layers
- Round Port 1.75″ Diameter
- Will not deteriorate from scrubbing action caused by different expansion rates in aluminum and steel materials.
- Thickness .072″
- Fits GM LS Series Engines 1997-’15
Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10604-01)
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.
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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.
Dorman – Help – Exhaust Manifold Hardware Kit – M8-1.25 Stainless Steel (Part No.03413HP)
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:
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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
Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03413B)
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:
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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
Dorman – Help – Exhaust Stud Kit – M10-1.5 x 62mm (Part No.03133)
from
$17.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
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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
Dorman – Help – Exhaust Flange Stud Kit – M10-1.5 x 62mm Stainless Steel (Part No.03133HP)
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:
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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
Walker – Exhaust Pipe Flange Gasket (Part No.31718)
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:
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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
Felpro – Exhaust Pipe Flange Gasket (Part No.61287)
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:
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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 – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.55272)
from
$158.99
Combining the only broad-market stainless-steel construction with a direct fit OE-style replacement, Walker Quiet-Flow SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign 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
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Outlet (ID) (Part No.21409)
from
$188.99
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.
Product Features:
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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)
from
$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.
Product Features:
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Product Features:
- 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
BRExhaust – Exhaust Clamp (Part No.250-265)
from
$26.49
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.
Product Features:
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Product Features:
- 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 – Exhaust Clamp (Part No.35337)
from
$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.
Product Features:
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Product Features:
- 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
Walker – CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) (Part No.83804)
from
$897.99
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.
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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
MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.4451217)
from
$1376.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4451217. 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 2002-2003 Chevrolet Trailblazer, 2002-2003 GMC Envoy, and additional vehicles. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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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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.
MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.5451305)
from
$1173.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5451305. The Universal design allows the part to fit a wide array of vehicles (cutting and welding required), and the stainless steel construction of this spun body catalytic converter is highly resistant to corrosion. The single laser fusion weld of the spun body greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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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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.
GM Genuine Parts – Secondary Air Injection Pump Cover Gasket (Part No.219-351)
from
$15.99
GM Genuine Parts Secondary Air Injection Pump Check Valve Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help form a gas-tight seal between the check valve and secondary air components. 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).
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Product Features:
- Helps maintain controlled air flow to proper air injection components
- 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
Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-777)
from
$172.99
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:
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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
Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-990)
from
$326.99
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:
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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
Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-785)
from
$227.99
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:
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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
Walker – Exhaust Pipe Flange Gasket (Part No.31610)
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:
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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
Walker – Exhaust Pipe Flange Gasket (Part No.31554)
from
$17.99
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:
See More
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
Mahle – Exh. Man. to Pipe Ga (Part No.H4003205960MAH)
from
$13.87
Exh. Man. to Pipe Ga
Mahle – Exh. Man. to Pipe Ga (Part No.H4003206403MAH)
from
$22.76
Exh. Man. to Pipe Ga
Felpro – EXHAUST MANIFOLD BOLT SET (Part No.ES 75120)
from
$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
Product Features:
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Product Features:
- 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).
Dorman – Exhaust Manifold Repair Clamp (Part No.917-108)
from
$31.99
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:
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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 center on specified GM and Hummer 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
Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03413)
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:
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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
Upgrade your 2003 Chevrolet Trailblazer with Top-Quality Exhaust Parts
When it comes to maintaining or upgrading your 2003 Chevrolet Trailblazer, 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 Trailblazer functioning at its best. At Advance Auto Parts, we offer a wide selection of 31 Exhaust Parts for the 2003 Chevrolet Trailblazer, designed to meet your needs without breaking the bank.
From
Exhaust Pipe
replacements to
Exhaust Fittings
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 Trailblazer at great prices.
Our Exhaust Parts inventory for this model
ranges from just $8.99 to $1,851.99, with
an average price of $300.66.
Our 31 Exhaust Parts in stock come from 8 trusted brands, so you’re sure to find the right part for your 2003 Chevrolet Trailblazer 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 Trailblazer, we stock popular OEM and aftermarket Exhaust Parts from top names
like FELPRO, Dorman, Walker, and more.
FELPRO Exhaust Parts
start at just $16.29 and boast an impressive 5 stars average rating from customers.
Dorman and Walker also bring quality to the table, with Exhaust Parts available starting at $8.99, and at an average 4 stars rating.
With 210 customer reviews and counting, our 2003 Chevrolet Trailblazer 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 Trailblazer is always ready to roll. We’re committed to providing you with everything you need to keep your Trailblazer in top shape, all in one place.
Start shopping confidently below for your 2003 Chevrolet Trailblazer!
Best-Selling Exhaust Pipes for 2003 Chevrolet Trailblazers
Enhance the driving experience in your Chevrolet with 2 quality Exhaust Pipe components, starting at $13.99.
Felpro – Exhaust Pipe Flange Gasket (Part No.61255)
from
$16.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
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 Pipe Flange Gasket (Part No.31657)
from
$13.99
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:
See More
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
Most Popular 2003 Chevrolet Trailblazer Exhaust Fittings
Customize your Chevrolet with 2 Exhaust Fittings products
like Exhaust Clamps, all
priced under $26.49.
BRExhaust – Exhaust Clamp (Part No.250-265)
from
$26.49
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.
Product Features:
See More
Product Features:
- 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 – Exhaust Clamp (Part No.35337)
from
$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.
Product Features:
See More
Product Features:
- 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
Top Picks for 2003 Chevrolet Trailblazer Exhaust Manifold and Headers
Upgrade Chevrolet Trailblazers with top-quality Exhaust Manifold and Headers parts, including 3 OEM and aftermarket selections for your 2003 model.
Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03413B)
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:
See More
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
Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-777)
from
$172.99
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:
See More
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
Dorman – Help – Exhaust Manifold Hardware Kit – M8-1.25 Stainless Steel (Part No.03413HP)
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:
See More
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
In-Demand Exhaust Hangers for 2003 Chevrolet Trailblazers
Select from 2 premium Exhaust Hangers parts for your 2003 Chevrolet Trailblazer, with prices ranging from $17.29 to $26.99.
Dorman – Help – Exhaust Stud Kit – M10-1.5 x 62mm (Part No.03133)
from
$17.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
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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
Dorman – Help – Exhaust Flange Stud Kit – M10-1.5 x 62mm Stainless Steel (Part No.03133HP)
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:
See More
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
Most Sold 2003 Chevrolet Trailblazer Exhaust Mufflers
Explore our best-selling Chevrolet parts for the 2003 Trailblazer among 3 OEM and aftermarket options starting from $122.99.
Walker – SoundFX Direct Fit Exhaust Muffler 2.5" Outlet (ID) (Part No.18915)
from
$122.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.
Product Features:
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Product Features:
- RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
- 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
- EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
- FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
- GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.55272)
from
$158.99
Combining the only broad-market stainless-steel construction with a direct fit OE-style replacement, Walker Quiet-Flow SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign vehicles.
Product Features:
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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
Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Outlet (ID) (Part No.21409)
from
$188.99
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.
Product Features:
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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
Top-Rated Exhaust Parts Brands For Your 2003 Chevrolet Trailblazer
Shop for the best-rated brands offering Exhaust Parts and other products for your 2003 Chevrolet Trailblazers. Below you’ll find some of our best rated Exhaust Parts from FELPRO, Dorman, and Walker, and more. Exhaust Parts from these brands that fit a 2003 Trailblazer start at just $8.99 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 Trailblazer Exhaust Parts
When it comes to maintaining or upgrading your 2003 Chevrolet Trailblazer, 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 Trailblazer. With over 3 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 $16.29, with an average price of just $20.92. Plus, with over 6 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.
from
$16.29
$16.29
(3)
“Tight fit so it didn’t fall out while lining up the exhaust to the manifold”
Popular Dorman 2003 Chevrolet Trailblazer Exhaust Parts
Dorman auto parts is one of the highest quality Exhaust Part brands in the market. Any 2003 Chevrolet Trailblazer owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 2003 Trailblazer, Advance Auto Parts carries a full inventory of 6 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 $172.99, plus, with more than 63 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.
FAQs for 2003 Chevrolet Trailblazer Exhaust Parts
Which Exhaust Parts are best-sellers for 2003 Chevrolet Trailblazers?
Out of 31 Exhaust Parts that fit 2003 Chevrolet Trailblazers, the following parts are the top sellers:
- Ultra EPA Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) (20200240) – $179.99
- Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (20290098) – $158.99
- Exhaust Pipe Flange Gasket (10044025) – $13.99
What’s the price range for 2003 Chevrolet Trailblazer Exhaust Parts?
Exhaust Part prices for the 2003 Chevrolet Trailblazer start at $8.99 and go up to $1,851.99 for the most premium parts.
What’s the average price of a Exhaust Part for a 2003 Chevrolet Trailblazer?
The average price for Exhaust Parts for the 2003 Chevrolet Trailblazer is $300.66. 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 Trailblazer model years?
What are the cheapest Exhaust Parts for my 2003 Chevrolet Trailblazer?
The cheapest 2003 Chevrolet Trailblazer Exhaust Parts we carry in stock are:
- Exhaust Clamp (11012146) – $8.99
- Exhaust Pipe Gasket (12614763) – $12.57
- Exhaust Pipe Flange Gasket (10044025) – $13.99
- Exhaust Manifold Hardware Kit (10840978) – $15.99
- Secondary Air Injection Pump Cover Gasket (11935178) – $15.99
What are the top-rated Exhaust Parts that fit the 2003 Chevrolet Trailblazer?
Out of 210 reviews by customers, our 2003 Chevrolet Trailblazer Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 2003 Chevrolet Trailblazer and their top-rated products:
- Exhaust Gaskets
- Exhaust Manifold Gasket Set (20688187) – $21.49
- Exhaust Mufflers
- Exhaust Manifold Gasket Set (20688187) – $21.49
What types of Exhaust Parts do you sell for my 2003 Chevrolet Trailblazer?
As of 2/5/25, these are some of the most in-demand types of Exhaust Parts for a 2003 Chevrolet Trailblazer:
Can I get help with 2003 Chevrolet Trailblazer 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 Trailblazer Exhaust Parts?
Advance Auto Parts keeps returns simple. For new Chevrolet Trailblazer Exhaust Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
