2003 Chevrolet Impala Exhaust Parts

Name: Ultra EPA Direct Fit Catalytic Converter
Brand: Walker
SKU: 54981
Price: 467.99 USD

Below you will find various in-demand Chevrolet Exhaust Parts, components and accessories for your 2003 Impala. Advance Auto Parts has popular Impala parts like Exhaust Fittings, Exhaust Pipes, Exhaust Mufflers and more. You’ll also find aftermarket and OEM Exhaust Parts for other Impala model years including 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 and more. Select a category of 2003 Chevrolet Impala Exhaust Parts below and start saving instantly.

Popular 2003 Chevrolet Impala Exhaust Parts Categories

Exhaust Manifold and Headers

Mufflers

Exhaust System Insulators

Catalytic Converters

Exhaust Resonators

Catalytic Converter Gaskets

Exhaust Pipes

Exhaust Hangers and Hardware

Exhaust Manifold Gaskets

Exhaust Clamps

Exhaust Pipe and Flange Gaskets

Exhaust Muffler Gaskets

Exhaust Seal Rings

Essential Exhaust Parts for 2003 Chevrolet Impalas

from

$467.99

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

from

$516.99

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

from

$9.99

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:

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

from

$13.99

Complete your exhaust repair with Walker exhaust hangers. Designed with OE-style features to support undercar exhaust components, Walker hangers are manufactured from durable and robust material for long service life.

Product Features:

KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
OE DESIGN — Designed with OE-style features for easy installation
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
PREMIUM MATERIALS — Made from quality steel for durability and long life
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

from

$7.89

Exhaust Pipe Gasket

from

$21.99

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

from

$3.29

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

from

$14.99

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

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:

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

from

$2.79

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:

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

from

$6.49

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:

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

from

$34.99

Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head.

Product Features:

Withstands Intense Exhaust Heat
Graphite-Impregnated Facing
Steel Expanded Metal Core
Superior Tensile Strength
Resists Deteriorating
Anti-stick Properties
Easy Removal For Disassembly

from

$11.49

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
Contains all gaskets and seals to remove and replace exhaust manifold
Contains all gaskets and seals to remove and replace exhaust manifold

from

$1102.00

Hooker has a complete line of engine swap headers, front frame mounts and transmission mounts for popular engine swaps. Available for Chevy, Chrysler and Ford small block and big block engines. Hooker swap headers and mounts are designed to provide an exact fit when used together. Hooker swap headers add the extra horsepower and torque the serious enthusiast demands. Hooker Headers are the best single improvement you can make.

Product Features:

Long Tube Lengths
Long Transition Collectors
Monstrous Low-Mid Range Torque
Keep Top End Horsepower
Provides Finest Fit
Most Durable Design Available

from

$273.99

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

from

$26.99

Made from quality material for durability, Walker exhaust spout pipes are available in a variety of styles and sizes for direct-fit or universal application.

Product Features:

RESISTS CORROSION — Durable aluminized steel for corrosion resistance and performance
SECURE FIT — Burr-free construction for proper fitment
BETTER TOGETHER — Use quality Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)

from

$73.99

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.

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

from

$90.99

Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX universal mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

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
FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
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

from

$158.99

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:

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

from

$10.65

Exhaust Seal Ring

from

$296.99

BRExhaust Direct-Fit Replacement Exhaust Kit 106-0004 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0004¿s precision mandrel bent pipes facilitate superior exhaust flow compared to the crush-bent pipes commonly used in competing aftermarket replacement exhaust systems. The multi-piece, bolt-on design ensures the exhaust system is easy to install yourself and fits perfectly to help get you back on the road in no time. No bending or welding is required for installation. BRExhaust Direct-Fit Replacement Exhaust Kit 106-0004 features durable aluminized steel construction and is covered by a 2 year warranty. BRExhaust 106-0004 is engineered for OEM 10287874, 10287875, 10291254, 10300198, 10300199, 10300200, 10300201, 10315288, 10315289, 10315290, 10315291, 10429453, 10435628 exhaust replacement.

Product Features:

Complete mandrel-bent replacement of all parts from behind or near the last catalytic converter, offering long-lasting, high corrosion resistance and durability
Bolt-on, multi-piece design for smooth and easy DIY installation around obstructions, ensuring quality fitment and function without requiring fabrication
All components, gaskets, clamps, and hardware required, along with installation instructions, are packaged together in a single protective box

from

$89.99

Designed to fit, perform and sound like the original system, Walker resonators use precise tuning technologies to deliver excellent flow characteristics and OE-style sound.

Product Features:

RESISTS CORROSION — Durable aluminized steel construction and helps reduce corrosion
FACTORY SOUND — OE-style louvered tubes (where applicable) help reduce radiated noise for factory-style sound
FLEXIBLE SOLUTION — Customizable design for easy fitment and may require specialized fabrication and/or welding for installation
STRONG AND DURABLE — Features thick OE-style flanges, hardware and brackets for strength
GET MORE MILES FROM YOUR RESONATOR — Engineered to fit, perform and sound like the original system

from

$81.99

Designed to fit, perform and sound like the original system, Walker resonators use precise tuning technologies to deliver excellent flow characteristics and OE-style sound.

Product Features:

RESISTS CORROSION — Durable aluminized steel construction and helps reduce corrosion
FACTORY SOUND — OE-style louvered tubes (where applicable) help reduce radiated noise for factory-style sound
FLEXIBLE SOLUTION — Customizable design for easy fitment and may require specialized fabrication and/or welding for installation
STRONG AND DURABLE — Features thick OE-style flanges, hardware and brackets for strength
GET MORE MILES FROM YOUR RESONATOR — Engineered to fit, perform and sound like the original system

from

$99.99

DynoMax Race Bullet mufflers feature 100-percent welded construction for lifelong durability. The ‘Pure Unadulterated POWER’ and lightweight, compact design make it the ultimate race muffler. The unrestricted, straight-through design is dyno tested and track proven. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology which helps provide up to a 4 dbA sound reduction, on most race applications, while maintaining a deep race tone.

Product Features:

Designed for vehicles with limited space
Light weight compact design
100% welded design for maximum durability
CRF Technology which helps provide up to a 4 dbA sound reduction, on most race applications, while maintaining a deep race tone

from

$6.99

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.

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

from

$6.79

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.

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

from

$11.29

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

from

$5.49

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

Upgrade your 2003 Chevrolet Impala with Top-Quality Exhaust Parts

When it comes to maintaining or upgrading your 2003 Chevrolet Impala, 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 Impala functioning at its best. At Advance Auto Parts, we offer a wide selection of 51 Exhaust Parts for the 2003 Chevrolet Impala, designed to meet your needs without breaking the bank. From Exhaust Fitting 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 Impala at great prices. Our Exhaust Parts inventory for this model ranges from just $2.49 to $641.99, with an average price of $116.40. Our 51 Exhaust Parts in stock come from 9 trusted brands, so you’re sure to find the right part for your 2003 Chevrolet Impala 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 Impala, we stock popular OEM and aftermarket Exhaust Parts from top names like FELPRO, Walker, Dorman, and more. FELPRO Exhaust Parts start at just $4.49 and boast an impressive 5 stars average rating from customers. Walker and Dorman also bring quality to the table, with Exhaust Parts available starting at $2.49, and at an average 4 stars rating. With 776 customer reviews and counting, our 2003 Chevrolet Impala 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 Impala is always ready to roll. We’re committed to providing you with everything you need to keep your Impala in top shape, all in one place. Start shopping confidently below for your 2003 Chevrolet Impala!

Best-Selling Exhaust Fittings for 2003 Chevrolet Impalas

Enhance the driving experience in your Chevrolet with 2 quality Exhaust Fitting components, starting at $2.49.

show more show less

from

$6.49

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

from

$2.49

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

Most Popular 2003 Chevrolet Impala Exhaust Pipes

Customize your Chevrolet with 17 Exhaust Pipes products like Exhaust Pipe and Flange Gaskets, Exhaust Pipes, and Exhaust Resonators, all priced under $362.99.

show more show less

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

from

$4.49

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

from

$10.29

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:

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

from

$7.49

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

from

$8.49

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

from

$6.49

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

from

$14.99

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

from

$89.99

Designed to fit, perform and sound like the original system, Walker resonators use precise tuning technologies to deliver excellent flow characteristics and OE-style sound.

Product Features:

RESISTS CORROSION — Durable aluminized steel construction and helps reduce corrosion
FACTORY SOUND — OE-style louvered tubes (where applicable) help reduce radiated noise for factory-style sound
FLEXIBLE SOLUTION — Customizable design for easy fitment and may require specialized fabrication and/or welding for installation
STRONG AND DURABLE — Features thick OE-style flanges, hardware and brackets for strength
GET MORE MILES FROM YOUR RESONATOR — Engineered to fit, perform and sound like the original system

from

$56.99

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

from

$258.99

This exhaust crossover pipe is designed to match the fit and function of the original pipe on specified applications, and is engineered for reliable performance and durability.

Product Features:

Direct replacement – this exhaust crossover pipe is designed to match the fit and function of the original tube on specified applications.
Restores functionality – reliable replacement for an original part that has failed due to heat, vibration or corrosion.
Durable construction – this part is 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

from

$10.65

Exhaust Seal Ring

from

$8.60

Exhaust Pipe Gasket

from

$362.99

This exhaust crossover pipe is designed to match the fit and function of the original pipe on specified applications, and is engineered for reliable performance and durability.

Product Features:

Direct replacement – this exhaust crossover pipe is designed to match the fit and function of the original tube on specified applications.
Restores functionality – reliable replacement for an original part that has failed due to heat, vibration or corrosion.
Durable construction – this part is 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

from

$361.55

More like a complete kit than a single part, Dorman’s Exhaust Crossover Pipe includes all necessary gaskets and hardware for a complete installation. Since this part is a direct replacement, the exact fit adds another layer of efficiency and convenience.

Product Features:

Comes with two flange bolts and one flange gasket per side for ease of installation
Rust-resistant for long-lasting performance
Corrosion-resistant for extended durability
A rigorous quality inspection has been undertaken to ensure that this part conforms to product standards

from

$16.10

Exh. Man. to Pipe Ga

from

$15.31

Exh. Man. to Pipe Ga

from

$13.99

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

Top Picks for 2003 Chevrolet Impala Exhaust Mufflers

Upgrade Chevrolet Impalas with top-quality Exhaust Mufflers parts, including 5 OEM and aftermarket selections for your 2003 model.

show more show less

from

$79.99

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:

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

from

$147.99

The only broad-market muffler body 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:

CORROSION RESISTANT STAINLESS STEEL — The only broad-market muffler body 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

from

$6.89

Exh. Man. to Pipe Ga

from

$168.99

This BRExhaust replacement exhaust is engineered based on the original OEM design to ensure reliability, durability and performance. The ease of installation will save you time and effort, getting you back out on the road sooner. Each muffler features thicker hangers for added strength and fully welded, perforated tubes to guarantee a long service life.

from

$92.99

This BRExhaust muffler assembly is constructed by one of the leading aftermarket suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for easy, bolt-on installation with no modifications required. The component is designed to offer corrosion protection in addition to optimal noise reduction and low backpressure. Built from 16-gauge steel tubing and fully aluminized, these mufflers feature an OE-style direct fit configuration compatible with your import or domestic vehicle¿while the interior design of the muffler box ensures quiet performance.

In-Demand Exhaust Hangers for 2003 Chevrolet Impalas

Select from 5 premium Exhaust Hangers parts for your 2003 Chevrolet Impala, with prices ranging from $6.79 to $17.99.

show more show less

from

$17.99

Exhaust system loose or rattling? This direct-replacement exhaust hanger is designed to restore integrity to the exhaust system. Quality construction to ensure excellent durability.

Product Features:

Direct replacement – this exhaust system hanger installs exactly as the original part.
Easy installation – no special tools required to install this exhaust hanger
Durable materials – quality materials for a long service life
Quality tested – has undergone testing to ensure proper fit

from

$6.79

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

from

$11.29

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

from

$11.49

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

from

$17.84

Exhaust Hanger

Most Sold 2003 Chevrolet Impala Exhaust Manifold and Headers

Explore our best-selling Chevrolet parts for the 2003 Impala among 4 OEM and aftermarket options starting from $69.99.

show more show less

from

$111.99

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

from

$70.99

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

from

$199.99

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

from

$69.99

More like a complete kit than a single part, many of our Exhaust Manifolds include gaskets and hardware for a complete installation. Since this part is a direct replacement, the exact fit adds another layer of efficiency and convenience. Since this part is a direct replacement, the exact fit adds another layer of efficiency and convenience.

Product Features:

Heat-shield may be included for protection of engine components where applicable
Cast iron or stainless tubular construction protects against warping or cracking
Leak-resistant for long-lasting performance
A rigorous quality inspection has been undertaken to ensure product standards

Top-Rated Exhaust Parts Brands For Your 2003 Chevrolet Impala

Shop for the best-rated brands offering Exhaust Parts and other products for your 2003 Chevrolet Impalas. Below you’ll find some of our best rated Exhaust Parts from FELPRO, Walker, and Dorman, and more. Exhaust Parts from these brands that fit a 2003 Impala start at just $2.49 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 Impala Exhaust Parts

When it comes to maintaining or upgrading your 2003 Chevrolet Impala, 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 Impala. 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 $4.49, with an average price of just $17.01. Plus, with over 30 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
$8.79

(9)

Exhaust Pipe Flange Gasket

“Great prices and free shipping and the parts came in very quickly. Nobody else can compete with Advance Auto Parts”

from
$4.49

(5)

Exhaust Pipe Flange Gasket

“Installed it without issue.”

from
$37.49

(3)

EXHAUST MANIFOLD GASKET SET

“Perfect replacement part.”

Popular Walker 2003 Chevrolet Impala Exhaust Parts

Walker auto parts is one of the highest quality Exhaust Part brands in the market. Any 2003 Chevrolet Impala owner should feel confident when installing genuine Walker parts in their vehicle. To ensure the best fit and performance for your 2003 Impala, Advance Auto Parts carries a full inventory of 17 Walker Exhaust Parts. Plus you will be keeping your Chevrolet in peak condition while saving money because prices on these Walker Exhaust Parts range from $2.49 to $641.99, plus, with more than 181 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.

from
$424.99

This product is not rated

EPA Ultra-Boxed Direct Fit Converter

“”

from
$641.99

This product is not rated

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

“”

from
$2.49

This product is not rated

Exhaust Clamp

“”

FAQs for 2003 Chevrolet Impala Exhaust Parts

Which Exhaust Parts are best-sellers for 2003 Chevrolet Impalas?

Out of 51 Exhaust Parts that fit 2003 Chevrolet Impalas, the following parts are the top sellers:

Exhaust 35352 Exhaust System Hanger Insulator (5601584) – $11.29
Exhaust Pipe Flange Gasket (18370104) – $6.49
Exhaust Pipe Flange Gasket (18371020) – $16.99

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

Exhaust Part prices for the 2003 Chevrolet Impala start at $2.49 and go up to $641.99 for the most premium parts.

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

The average price for Exhaust Parts for the 2003 Chevrolet Impala is $116.40. 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 Impala model years?

Yes, we currently carry Exhaust Parts for 51 model years of Chevrolet Impalas between 1958 and 2020. Exhaust Parts are bought most frequently for the following model years: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Exhaust Parts for my 2003 Chevrolet Impala?

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

Exhaust Clamp (11012137) – $2.49
Exhaust Pipe Flange Gasket (20688129) – $4.49
Exhaust Pipe Flange Gasket (18370104) – $6.49
Exhaust Clamp (11350564) – $6.49
Exhaust 35460 Exhaust System Hanger Insulator (5601657) – $6.79

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

Out of 776 reviews by customers, our 2003 Chevrolet Impala Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 2003 Chevrolet Impala and their top-rated products:

Exhaust Mufflers
- SoundFX Direct Fit Exhaust Muffler 2.25" Inlet (ID) 2.25" Outlet (OD) (10994207) – $79.99
- Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (26010141) – $147.99
Exhaust Gaskets
- SoundFX Direct Fit Exhaust Muffler 2.25" Inlet (ID) 2.25" Outlet (OD) (10994207) – $79.99
- Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (26010141) – $147.99

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

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

Can I get help with 2003 Chevrolet Impala 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 Impala Exhaust Parts?

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

2003 Chevrolet Impala Exhaust Parts

Walker – Ultra EPA Direct Fit Catalytic Converter (Part No.54981)

Walker – CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) (Part No.81128)

Dorman – Double Ended Stud – 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in (Part No.29201)

Walker – Exhaust System Hanger (Part No.35458)

FELPRO – Exhaust Pipe Gasket (Part No.H4006977394FEL)

Walker – 3 Bolt Exhaust Pipe Flange Gasket: Metal with Fiber, Heat Resistant, Premium Materials (Part No.31599)

Walker – 2 Bolt Exhaust Pipe Flange Gasket: Fiber with Metal, Heat Resistant, Premium Materials (Part No.31512)

Felpro – Exhaust Pipe Flange Gasket (Part No.61054)

Felpro – Exhaust Pipe Flange Gasket (Part No.61766)

Walker – Exhaust Clamp (Part No.35344)

BRExhaust – Exhaust Clamp (Part No.250-058)

Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5902)

Felpro – Exhaust Manifold Gasket Set (Part No.MS 90021)

Hooker Headers – Super Comp. Header (Part No.2116-1HKR)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-918)

Walker – Exhaust 36445 Exhaust Pipe Spout (Part No.36445)

Walker – Exhaust Pipe 2" Inlet (OD) 2" Outlet (OD) (Part No.54014)

Walker – SoundFX Universal Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID) (Part No.18113)

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 1.875" Inlet (ID) 2.25" Outlet (OD) (Part No.21571)

Elring – Exhaust Seal Ring (Part No.H4002210057ELR)

BRExhaust – Direct-Fit Replacement Exhaust System (Part No.106-0004)

Walker – Exhaust 21398 Exhaust Resonator (Part No.21398)

Walker – Exhaust 21992 Exhaust Resonator (Part No.21992)

Dynomax – Race Bullet Exhaust Resonator (Part No.24235)

Walker – Exhaust 35725 Exhaust System Hanger Insulator (Part No.35725)

Walker – Exhaust 35460 Exhaust System Hanger Insulator (Part No.35460)

Walker – Exhaust 35352 Exhaust System Hanger Insulator (Part No.35352)

Walker – Exhaust System Hanger Insulator (Part No.35182)

BRExhaust – Exhaust Clamp (Part No.250-058)

Walker – Exhaust Clamp (Part No.35336)

Felpro – Exhaust Pipe Flange Gasket (Part No.61310)

Felpro – Exhaust Pipe Flange Gasket (Part No.61314)

Felpro – Exhaust Pipe Flange Gasket (Part No.61009)

BRExhaust – Exhaust Flange Gasket (Part No.256-1036)

Walker – Exhaust Pipe Flange Gasket (Part No.31578)

Walker – Exhaust Pipe Flange Gasket (Part No.31532)

Felpro – Exhaust Pipe Flange Gasket (Part No.61054)

Walker – Exhaust 21398 Exhaust Resonator (Part No.21398)

Walker – Exhaust Pipe 2.25" Inlet (OD) 2.25" Outlet (OD) (Part No.55270)

Dorman – Exhaust Manifold Crossover Pipe (Part No.679-002)

Elring – Exhaust Seal Ring (Part No.H4002210057ELR)

AP Exhaust – Exhaust Pipe Gasket (Part No.H40061025538APE)

Dorman – Exhaust Manifold Crossover Pipe (Part No.679-003)

Dorman – Exhaust Manifold Crossover Pipe (Part No.H6020367541DOR)

Mahle – Exh. Man. to Pipe Ga (Part No.H4003207511MAH)

Mahle – Exh. Man. to Pipe Ga (Part No.H4003341425MAH)

BRExhaust – Exhaust Flange Gasket (Part No.256-1092)

Walker – SoundFX Direct Fit Exhaust Muffler 2.25" Inlet (ID) 2.25" Outlet (OD) (Part No.18893)

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21399)

Mahle – Exh. Man. to Pipe Ga (Part No.H4003202989MAH)

BRExhaust – Premium Universal Muffler (Part No.100-7175)

BRExhaust – Direct-Fit Premium Muffler Assembly (Part No.100-5388)

Dorman – Help – Catalytic Converter Exhaust Muffler/Resonator Hanger (Part No.57012)

Walker – Exhaust 35460 Exhaust System Hanger Insulator (Part No.35460)

Walker – Exhaust 35352 Exhaust System Hanger Insulator (Part No.35352)

Dorman – Help – Exhaust Stud Kit – M10-1.5 x 62mm (Part No.03142)

AP Exhaust – Exhaust Hanger (Part No.H80502393053APE)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-544)

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-540)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-567)

Dorman – Exhaust Manifold Kit (Part No.H1000683489DOR)