2003 Ford Mustang Exhaust Parts

Name: Intermediate Pipe Aluminized 59"
Brand: Walker
SKU: 55552
Price: 80.99 USD

Below you will find various in-demand Ford Exhaust Parts, components and accessories for your 2003 Mustang. Advance Auto Parts has popular Mustang parts like Exhaust Mufflers, Exhaust Fittings, Exhaust Pipes and more. You’ll also find aftermarket and OEM Exhaust Parts for other Mustang model years including 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 and more. Select a category of 2003 Ford Mustang Exhaust Parts below and start saving instantly.

Popular 2003 Ford Mustang Exhaust Parts Categories

Exhaust Manifold Hardware Kits

Exhaust Manifold and Headers

Mufflers

Exhaust System Insulators

Catalytic Converters

Tail Pipes

Exhaust Manifold and Header Hardware

Exhaust System Kits

Exhaust Pipes

Exhaust Hangers and Hardware

Exhaust Extension Pipes

Exhaust Manifold Gaskets

Exhaust Clamps

Exhaust Pipe and Flange Gaskets

Exhaust H-Pipes

Exhaust Flanges

Essential Exhaust Parts for 2003 Ford Mustangs

from

$80.99

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

from

$18.29

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
Validated for fit, form and function
Unsurpassed quality you can trust

from

$863.99

The MagnaFlow 1994-1998 Ford Mustang Competition Series Cat-Back Performance Exhaust System 15677 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we’re so well known for. This exhaust kit is designed to enhance your 4.6L, 5.0L 1994-1998 Ford Mustang with dyno-proven performance made possible thanks to fast-flowing mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 3.5in. Polished Clamp-On Single Wall Angle Cut Cut Edge tips featuring a sporty finish. The exhaust system’s cat-back layout replaces your ride’s exhaust system from near the catalytic converter on back. Exhaust system 15677 is engineered to make your vehicle’s engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 15677’s direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This performance exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow’s limited lifetime warranty. Please check to ensure compliance with local noise regulations.

Product Features:

Crafted from 409 stainless steel with all mandrel-bent tubing
Increased horsepower and torque
Aggressive exterior sound

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$18.79

Complete your exhaust repair with Walker¿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
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
KEEPS EXHAUST PARTS IN PLACE ┐ Designed to support undercar exhaust components
OE-STYLE DESIGN ¿ Designed with OE-style features for easy installation
OE-STYLE DESIGN ┐ Designed with OE-style features for easy installation
QUALITY MATERIALS¿–¿Made from quality material for durability and¿long life¿
QUALITY MATERIALS┐–┐Made from quality material for durability and┐long life┐
BETTER TOGETHER¿–¿Use Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade¿
BETTER TOGETHER┐–┐Use Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade┐

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$227.99

Standard Header X-Pipe

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$12.29

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

Product Features:

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

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$17.79

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

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$419.99

Prebent pipe kits. Flowmaster’s 16 gauge mandrel bent pipe kits are designed to fit perfectly onto your vehicle with all the quality and performance that you would expect from Flowmaster.

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$74.99

Made from quality materials for durability, DynoMax pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:

IMPROVED FLOW CAPACITY — Mandrel bends (where applicable) improve flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power
DESIGNED TO PERFORM — Fixture checked to ensure a precise fit for quick and easy installation
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
PREMIUM MATERIALS?–?Made from aluminized steel for durability and long life
BETTER TOGETHER — Use premium DynoMax accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade

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$8.99

Complete your exhaust repair with an Exhaust Mate U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.

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

$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

from

$12.29

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

$942.99

JBA long tube headers are the number one choice for maximum performance gains and high RPMefficiency. These long tube designs are dyno and race proven to deliver the greatest possible increase inhorsepower and torque throughout the RPM range. All JBA lo

Product Features:

JBA Performance Exhaust 6655S 1 3/4″ Header Long Tube Stainless Steel 67-70 Mustang 390/427/428 Cobra Jet
3/8″ thick CNC laser-cut flanges

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$1118.99

JBA Performance Exhaust 6655SJS 1 3/4″ Header Long Tube Stainless Steel 67-70 Mustang 390/427/428 Cobra Jet Silver Ceramic
3/8″ thick CNC laser-cut flanges

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$31.67

Exh. Manifold Gasket

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

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$886.99

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 or NY. Legal inME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter

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$224.99

Designed to comply with EPA emissions requirements while delivering premium performance and durability with assured compliance, Walker Ultra Universal Catalytic Converters 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.
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
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
OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter

from

$10.79

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

$2.99

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

$46.99

Customize your exhaust system with a DynoMax stainless steel tip. Made of high-grade 304 polished stainless steel, DynoMax exhaust tips are available in a variety of sizes making it easy to bolt on a custom look.

Product Features:

CUSTOM LOOK — Enhance your exhaust system with this tip that features an embossed DynoMax logo
DOUBLE-WALL DESIGN — Features two layers of premium 304 polished stainless steel is slant cut for a beefy look
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of sizes to work with a wide range of exhaust systems
EASY TO INSTALL — Clamp-on installation for an easy upgrade
BETTER TOGETHER — Use premium DynoMax accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade

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$47.49

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

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$56.99

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

Product Features:

16 per Package
Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started
410 stainless steel
Minimum 180,000 PSI tensile strength
24 equally spaced clockwise teeth

from

$27.49

This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance.

Product Features:

Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles.
Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$113.99

Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four inch case street muffler we’ve ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

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$99.99

Super 10 Series 409S stainless steel, single chamber mufflers. Intended for customers who desire the loudest and most aggressive sound they can find. Because these mufflers are so aggressive, they are recommended only for off highway use and not for street driven vehicles. These mufflers utilize the same patented Delta Flow technology that is found in Flowmaster’s other Super series mufflers to deliver maximum performance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

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$133.99

This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Upgrade your 2003 Ford Mustang with Top-Quality Exhaust Parts

When it comes to maintaining or upgrading your 2003 Ford Mustang, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Ford or enhancing its overall performance, Exhaust Parts are key to keeping your Mustang functioning at its best. At Advance Auto Parts, we offer a wide selection of 84 Exhaust Parts for the 2003 Ford Mustang, designed to meet your needs without breaking the bank. From Exhaust Muffler 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 Ford Mustang at great prices. Our Exhaust Parts inventory for this model ranges from just $1.99 to $2,310.99, with an average price of $352.77. Our 84 Exhaust Parts in stock come from 13 trusted brands, so you’re sure to find the right part for your 2003 Ford Mustang 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 Ford Mustang, 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 $1.99, and at an average 4 stars rating. With 367 customer reviews and counting, our 2003 Ford Mustang 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 Ford Mustang is always ready to roll. We’re committed to providing you with everything you need to keep your Mustang in top shape, all in one place. Start shopping confidently below for your 2003 Ford Mustang!

Best-Selling Exhaust Mufflers for 2003 Ford Mustangs

Enhance the driving experience in your Ford with 5 quality Exhaust Muffler components, starting at $123.99.

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from

$167.99

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

$123.99

The Original 40 series muffler delivers an aggressive exterior and interior tone. If you’re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

from

$123.99

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

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$126.99

Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we’ve ever built in a four inch case. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

from

$161.99

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 Picks for 2003 Ford Mustang Exhaust Pipes

Upgrade Ford Mustangs with top-quality Exhaust Pipes parts, including 8 OEM and aftermarket selections for your 2003 model.

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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

$8.99

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

$79.99

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

$19.99

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

$46.49

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

$156.99

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

$47.49

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

$227.99

Standard Header X-Pipe

In-Demand Exhaust Manifold and Headers for 2003 Ford Mustangs

Select from 12 premium Exhaust Manifold and Headers parts for your 2003 Ford Mustang, with prices ranging from $12.49 to $1,042.99.

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from

$12.49

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

from

$109.99

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

$27.49

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

from

$128.99

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

$868.99

JBA Performance Exhaust 6635S 1 5/8″ Header Long Tube Stainless Steel 99-04 Cobra
3/8″ thick CNC laser-cut flanges

from

$25.99

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:

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).

from

$64.19

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

Product Features:

17 per Package
Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started
410 stainless steel
Minimum 180,000 PSI tensile strength
24 equally spaced clockwise teeth

from

$85.99

Vibe Lock Header Bolt Kit

from

$1042.99

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

Product Features:

JBA Performance Exhaust 1625S-7JT 1 5/8″ Header Shorty Stainless Steel 99-04 Cobra 4.6L Titanium Ceramic
Mandrel bent stainless steel tube

from

$839.99

JBA Performance Exhaust 1625S-9JS 1 5/8″ Header Shorty Stainless Steel 99-04 Mustang GT 4.6L (2V) Silver Ceramic
Mandrel bent stainless steel tube

from

$706.99

JBA Performance Exhaust 1625S-9 1 5/8″ Header Shorty Stainless Steel 99-04 Mustang GT 4.6L (2V)
Mandrel bent stainless steel tube

from

$139.98

Exhaust Manifold

Most Sold 2003 Ford Mustang Exhaust Hangers

Explore our best-selling Ford parts for the 2003 Mustang among 3 OEM and aftermarket options starting from $6.79.

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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

$17.29

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

Product Features:

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

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$26.99

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

Product Features:

Upgraded hardware – this set of six M10-1.5 exhaust manifold mounting studs and nuts are 100 percent stainless steel for superior heat and corrosion resistance.
Convenient solution – kit contains all the application-specific hardware necessary to join one exhaust manifold to one manifold flange
Matches fit – this hardware matches the fit and function of the factory fasteners, while offering superior durability
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Top-Rated Exhaust Parts Brands For Your 2003 Ford Mustang

Shop for the best-rated brands offering Exhaust Parts and other products for your 2003 Ford Mustangs. 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 Mustang start at just $1.99 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 Ford Mustang Exhaust Parts

When it comes to maintaining or upgrading your 2003 Ford Mustang, 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 Ford Mustang. With over 7 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 $18.93. Plus, with over 21 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.

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$25.99

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Exhaust Manifold Gasket Set

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$19.29

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Exhaust Manifold Hardware Kit

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$25.99

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EXHAUST MANIFOLD BOLT SET

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Popular Walker 2003 Ford Mustang Exhaust Parts

Walker auto parts is one of the highest quality Exhaust Part brands in the market. Any 2003 Ford Mustang owner should feel confident when installing genuine Walker parts in their vehicle. To ensure the best fit and performance for your 2003 Mustang, Advance Auto Parts carries a full inventory of 18 Walker Exhaust Parts. Plus you will be keeping your Ford in peak condition while saving money because prices on these Walker Exhaust Parts range from $1.99 to $1,757.99, plus, with more than 64 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.

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$12.99

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Exhaust Flange

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$18.79

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Exhaust Flange

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$46.49

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Exhaust Pipe 2.75" Inlet (ID) 2" Outlet (OD)

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FAQs for 2003 Ford Mustang Exhaust Parts

Which Exhaust Parts are best-sellers for 2003 Ford Mustangs?

Out of 84 Exhaust Parts that fit 2003 Ford Mustangs, the following parts are the top sellers:

Exhaust 35460 Exhaust System Hanger Insulator (5601657) – $6.79
Exhaust Manifold Hardware Kit (10242452) – $12.49
Exhaust Pipe Flange Gasket (5185750) – $4.49

What’s the price range for 2003 Ford Mustang Exhaust Parts?

Exhaust Part prices for the 2003 Ford Mustang start at $1.99 and go up to $2,310.99 for the most premium parts.

What’s the average price of a Exhaust Part for a 2003 Ford Mustang?

The average price for Exhaust Parts for the 2003 Ford Mustang is $352.77. 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 Ford Mustang model years?

Yes, we currently carry Exhaust Parts for 55 model years of Ford Mustangs between 1964 and 2024. Exhaust Parts are bought most frequently for the following model years: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Exhaust Parts for my 2003 Ford Mustang?

The cheapest 2003 Ford Mustang Exhaust Parts we carry in stock are:

Exhaust Clamp (11012223) – $1.99
Exhaust Clamp (11012137) – $2.49
Exhaust Pipe Flange Gasket (5185750) – $4.49
Exhaust 35460 Exhaust System Hanger Insulator (5601657) – $6.79
Exhaust Pipe Flange Gasket (15780723) – $8.99

What are the top-rated Exhaust Parts that fit the 2003 Ford Mustang?

Out of 367 reviews by customers, our 2003 Ford Mustang Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 2003 Ford Mustang and their top-rated products:

Exhaust Gaskets
- Exhaust Manifold Set (11157752) – $29.99
- Seal-4-Good Header Flange Gasket (10556986) – $48.99
- EXHAUST MANIFOLD GASKET SET (15180040) – $31.49
Exhaust Mufflers
- Exhaust Manifold Set (11157752) – $29.99
- Seal-4-Good Header Flange Gasket (10556986) – $48.99
- EXHAUST MANIFOLD GASKET SET (15180040) – $31.49

What types of Exhaust Parts do you sell for my 2003 Ford Mustang?

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

Can I get help with 2003 Ford Mustang Exhaust Part orders?

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

What is your return policy for Ford Mustang Exhaust Parts?

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

2003 Ford Mustang Exhaust Parts

Walker – Intermediate Pipe Aluminized 59" (Part No.55552)

Felpro – EXHAUST FLANGE BOLT & SPRING KIT (Part No.ES 72142)

MagnaFlow – Competition Series Cat-Back Performance Exhaust System (Part No.15677)

Walker – Exhaust Flange (Part No.31896)

Flowtech – Standard Header X-Pipe (Part No.12114YFLT)

Dorman – Help – Exhaust Stud Kit – M11-1.75 x M12-1.75 x 65mm (Part No.03144)

Walker – Exhaust System Hanger (Part No.35755)

Flowmaster Inc. – Prebent Tailpipes – 3.00 in. Rear Exit w/Stainless Tips – Pair (Part No.15820)

Dynomax – Exhaust Tail Pipe (Part No.45227)

Walker – Exhaust Clamp (Part No.35337)

Walker – Exhaust Clamp (Part No.35336)

Walker – Exhaust System Hanger Insulator (Part No.35637)

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

JBA Performance – 6655S 1 3/4" Header Long Tube Stainless Steel 67-70 Mustang 390/427/428 Cobra Jet (Part No.6655S)

JBA Performance – 6655SJS 1 3/4" Header Long Tube Stainless Steel 67-70 Mustang 390/427/428 Cobra Jet Silver Ceramic (Part No.6655SJS)

Mahle – Exh. Manifold Gasket (Part No.A8112567143MAH)

Felpro – Exhaust Manifold Gasket Set (Part No.MS 95949)

Walker – Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No.50562)

Walker – Ultra EPA Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) (Part No.93237)

Felpro – Exhaust Pipe Flange Gasket (Part No.60201)

Felpro – Exhaust Pipe Flange Gasket (Part No.9802)

Dynomax – 36505 Exhaust Pipe Spout (Part No.36505)

Walker – Exhaust Pipe 2.75" Inlet (ID) 2.25" Outlet (OD) (Part No.52214)

Mr. Gasket – Exhsthdrbolt (Part No.2231G)

Dorman – Help – Install Kit for mounting exhaust manifold to engine includes 6 studs and 6 nuts (Part No.03419B)

Flowmaster Inc. – Super 44 Series Muffler, 3in Offset Inlet 3in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.943048)

Flowmaster Inc. – Super 10 Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.8430152)

Flowmaster Inc. – 40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 13in long, Non-Reversible, Aggressive Sound (Part No.943043)

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21354)

Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.8042443)

Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18971)

Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.842448)

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21278)

Walker – Exhaust Flange (Part No.31885)

Walker – Exhaust Flange (Part No.31896)

Walker – Exhaust Clamp (Part No.35336)

Walker – Exhaust Clamp (Part No.35335)

Felpro – Exhaust Pipe Flange Gasket (Part No.60924)

Felpro – Exhaust Pipe Flange Gasket (Part No.61203)

Walker – Exhaust Tail Pipe 2" Inlet (OD) (Part No.54290)

Walker – 2 Bolt Exhaust Pipe Flange Gasket: Graphite with Steel, Heat Resistant, Premium Materials (Part No.31623)

Walker – Exhaust Pipe 2.75" Inlet (ID) 2" Outlet (OD) (Part No.52226)

Walker – Exhaust Tail Pipe 2.25" Inlet (OD) (Part No.55299)

Walker – Exhaust Pipe 2.75" Inlet (ID) 2.25" Outlet (OD) (Part No.52214)

Flowtech – Standard Header X-Pipe (Part No.12114YFLT)

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03411B)

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-536)

Dorman – Help – Install Kit for mounting exhaust manifold to engine includes 6 studs and 6 nuts (Part No.03419B)

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-535)

JBA Performance – 6635S 1 5/8" Header Long Tube Stainless Steel 99-04 Cobra (Part No.6635S)

Felpro – EXHAUST MANIFOLD BOLT SET (Part No.ES 75118)

Mr. Gasket – Exhsthdrbolt (Part No.2236G)

Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310070)

JBA Performance – 1625S-7JT 1 5/8" Header Shorty Stainless Steel 99-04 Cobra 4.6L Titanium Ceramic (Part No.1625S-7JT)

JBA Performance – 1625S-9JS 1 5/8" Header Shorty Stainless Steel 99-04 Mustang GT 4.6L (2V) Silver Ceramic (Part No.1625S-9JS)

JBA Performance – 1625S-9 1 5/8" Header Shorty Stainless Steel 99-04 Mustang GT 4.6L (2V) (Part No.1625S-9)

MTC – Exhaust Manifold (Part No.H10002802521MTC)

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

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

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