2003 Pontiac Bonneville Exhaust Parts

Essential Exhaust Parts for 2003 Pontiac Bonnevilles

MagnaFlow – Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23128)

Standard Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$241.99
MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23128 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed to fit the 1995 Buick LeSabre, 1995 Buick Park Avenue, and additional vehicles. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

Product Features:
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Walker – CATALYTIC CONVERTER (Part No.81327)

CATALYTIC CONVERTER

from

$396.98
CATALYTIC CONVERTER

Walker – Exhaust Pipe Flange Gasket (Part No.31587)

Exhaust Pipe Flange Gasket

from

$6.49
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they¿re designed to work with OE exhaust components and Walker aftermarket replacement parts.

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

Walker – Donut Exhaust Pipe Flange Gasket: Graphite, Heat Resistant, Premium Materials (Part No.31557)

Donut Exhaust Pipe Flange Gasket: Graphite, Heat Resistant, Premium Materials

from

$9.79
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they¿re designed to work with OE exhaust components and Walker aftermarket replacement parts.

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

Walker – Donut Exhaust Pipe Flange Gasket: Fiber with Steel, Heat Resistant, Premium Materials (Part No.31400)

Donut Exhaust Pipe Flange Gasket: Fiber with Steel, Heat Resistant, Premium Materials

from

$3.29
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they¿re designed to work with OE exhaust components and Walker aftermarket replacement parts.

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

Walker – Exhaust Pipe Flange Gasket (Part No.31605)

Exhaust Pipe Flange Gasket

from

$16.49
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they¿re designed to work with OE exhaust components and Walker aftermarket replacement parts.

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

Dorman – Help – Exhaust Manifold Stud Kit – 3/8-16 x 3-1/4 In. (Part No.03113)

Exhaust Manifold Stud Kit - 3/8-16 x 3-1/4 In.

from

$6.49
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
See More

Walker – Exhaust System Hanger (Part No.35209)

Exhaust System Hanger

from

$13.49
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
See More

Hooker Headers – ExhstHdr (Part No.2301HKR)

ExhstHdr

from

$642.99
ExhstHdr

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

Direct Fit Exhaust Manifold: Without Heat Shield

from

$70.99
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
See More

Walker – Exhaust Resonator and Pipe Assembly (Part No.55170)

Exhaust Resonator and Pipe Assembly

from

$137.99
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:
  • EASY TO INSTALL — Meticulous pipe routing and OE-style hardware, flanges, and brackets for fast, easy installation
  • 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 quality
  • STRONG AND DURABLE — Features thick OE-style flanges, hardware and brackets for strength
  • GET MORE MILES FROM YOUR RESONATOR ASSEMBLY — Engineered to fit, perform and sound like the original system
See More

Walker – Exhaust Resonator and Pipe Assembly (Part No.48327)

Exhaust Resonator and Pipe Assembly

from

$165.99
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:
  • EASY TO INSTALL — Meticulous pipe routing and OE-style hardware, flanges, and brackets for fast, easy installation
  • 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 quality
  • STRONG AND DURABLE — Features thick OE-style flanges, hardware and brackets for strength
  • GET MORE MILES FROM YOUR RESONATOR ASSEMBLY — Engineered to fit, perform and sound like the original system
See More

Walker – Exhaust Tail Pipe 2" Inlet (OD) 2" Outlet (OD) (Part No.46468)

Exhaust Tail Pipe 2" Inlet (OD) 2" Outlet (OD)

from

$50.99
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
See More

Walker – Exhaust Tail Pipe 2.25" Inlet (OD) 2.25" Outlet (OD) (Part No.44596)

Exhaust Tail Pipe 2.25" Inlet (OD) 2.25" Outlet (OD)

from

$50.99
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
See More

Walker – Exhaust Pipe 2.25" Inlet (ID) 2.25" Outlet (OD) (Part No.55169)

Exhaust Pipe 2.25" Inlet (ID) 2.25" Outlet (OD)

from

$119.99
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
See More

Walker – Exhaust Clamp (Part No.35723)

Exhaust Clamp

from

$36.99
Walker, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker is a ‘one-stop’ convenience, offering complete engine-to-tailpipe coverage of replacement emissions control systems and components for popular domestic and import vehicles in broadmarket, performance, and commercial vehicle applications. Walker delivers optimal OE-style fit, appearance, and dependability in aftermarket emissions control parts.

Product Features:
  • Walker offers a variety of clamp styles and sizes for your installation needs
  • Helps to ensure a leak-free connection
  • Constructed from durable and robust material for long life
  • New Walker® accessories help to ensure effective exhaust repairs
  • Walker® supplies all of the accessories you need to do the complete exhaust job
See More

Walker – Exhaust Clamp (Part No.35335)

Exhaust Clamp

from

$1.99
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
See More

AP Exhaust – Exhaust Clamp (Part No.H80202393166APE)

Exhaust Clamp

from

$5.27
The AP Exhaust / Exhaust Clamp is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
See More

Walker – EXHAUST RESONATOR (Part No.17812)

EXHAUST RESONATOR

from

$35.49
EXHAUST RESONATOR

BRExhaust – Direct-Fit Replacement Exhaust System (Part No.106-0072)

Direct-Fit Replacement Exhaust System

from

$347.99
BRExhaust Direct-Fit Replacement Exhaust Kit 106-0072 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. 106-0072¿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 106-0072 features durable aluminized steel construction and is covered by a 2 year warranty. BRExhaust 106-0072 is engineered for OEM 10368894, 19420122, 25668331, 25699641, 25700238, 25706842, 25726911, 25737470, 25737471, 25738458, 25738460, 25738461, 25738462, 25738909, 25738945, 25744207, 25754988, 25754989, 25754990, 25754991, 25773761, 25773762, 25773763 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
See More

Walker – Exhaust 21687 Exhaust Resonator (Part No.21687)

Exhaust 21687 Exhaust Resonator

from

$66.99
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
See More

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

SoundFX Universal  Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID)

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
See More

Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18458)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

from

$102.99
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
See More

Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18235)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

from

$65.99
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
See More

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

Exhaust Manifold Gasket Set

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
See More

Felpro – EXHAUST MANIFOLD GASKET SET (Part No.MS 95829)

EXHAUST MANIFOLD GASKET SET

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:
  • 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
See More

ACDelco – GM Original Equipment Exhaust Manifold Gasket (Part No.A8111205167ACD)

GM Original Equipment Exhaust Manifold Gasket

from

$35.20
ACDelco GM Original Equipment Exhaust Manifold Gasket is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • GM-recommended replacement part for your GM vehicle
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Hooker Headers – Super Competition Header Gasket (Part No.10808HKR)

Super Competition Header Gasket

from

$23.29
Hooker’s precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This OEM quality gasket is constructed of a thick ,.060 inch, high temperature, non-asbestos fiber laminate with a perforated steel core, which provides a superior grip and adhesion. This construction also contributes to exact fit compliance between the cylinder head and header flange, offering excellent sealing properties during extreme temperature and operating conditions.

Product Features:
  • Tear Resistant
  • Precisely Cut To Match Header
See More

Upgrade your 2003 Pontiac Bonneville with Top-Quality Exhaust Parts

When it comes to maintaining or upgrading your 2003 Pontiac Bonneville, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Pontiac or enhancing its overall performance, Exhaust Parts are key to keeping your Bonneville functioning at its best. At Advance Auto Parts, we offer a wide selection of 31 Exhaust Parts for the 2003 Pontiac Bonneville, designed to meet your needs without breaking the bank. From Exhaust Manifold and Header 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 Pontiac Bonneville at great prices. Our Exhaust Parts inventory for this model ranges from just $2.49 to $824.99, with an average price of $148.81. Our 31 Exhaust Parts in stock come from 8 trusted brands, so you’re sure to find the right part for your 2003 Pontiac Bonneville 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 Pontiac Bonneville, we stock popular OEM and aftermarket Exhaust Parts from top names like FELPRO, Walker, Dorman, and more. FELPRO Exhaust Parts start at just $5.99 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 156 customer reviews and counting, our 2003 Pontiac Bonneville 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 Pontiac Bonneville is always ready to roll. We’re committed to providing you with everything you need to keep your Bonneville in top shape, all in one place. Start shopping confidently below for your 2003 Pontiac Bonneville!

Best-Selling Exhaust Manifold and Headers for 2003 Pontiac Bonnevilles

Enhance the driving experience in your Pontiac with 2 quality Exhaust Manifold and Header components, starting at $69.99.

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

Direct Fit Exhaust Manifold: Without Heat Shield

from

$70.99
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
See More

Dorman – Exhaust Manifold Kit (Part No.H1000683489DOR)

Exhaust Manifold Kit

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
See More

Most Popular 2003 Pontiac Bonneville Exhaust Fittings

Customize your Pontiac with 2 Exhaust Fittings products like Exhaust Clamps, all priced under $8.99.

Walker – Exhaust Clamp (Part No.35337)

Exhaust Clamp

from

$8.99
Complete your exhaust repair with an Exhaust Mate U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.

Product Features:
  • 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
See More

Walker – Exhaust Clamp (Part No.35336)

Exhaust Clamp

from

$2.49
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
See More

Top Picks for 2003 Pontiac Bonneville Exhaust Mufflers

Upgrade Pontiac Bonnevilles with top-quality Exhaust Mufflers parts, including 4 OEM and aftermarket selections for your 2003 model.

Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18945)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

from

$93.99
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
See More

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.53315)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

from

$178.99
Combining the only broad-market stainless-steel construction with a direct fit OE-style replacement, Walker Quiet-Flow SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign vehicles.

Product Features:
  • 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
See More

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

Premium Universal Muffler

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.
See More

BRExhaust – Direct-Fit Premium Muffler Assembly (Part No.100-5438)

Direct-Fit Premium Muffler Assembly

from

$148.99
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.
See More

In-Demand Exhaust Pipes for 2003 Pontiac Bonnevilles

Select from 9 premium Exhaust Pipes parts for your 2003 Pontiac Bonneville, with prices ranging from $5.99 to $362.99.

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

Exhaust Pipe Flange Gasket

from

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

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

Walker – Exhaust Pipe Flange Gasket (Part No.31587)

Exhaust Pipe Flange Gasket

from

$6.49
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they¿re designed to work with OE exhaust components and Walker aftermarket replacement parts.

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

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

Exhaust Pipe Flange Gasket

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
See More

Walker – Exhaust Resonator and Pipe Assembly (Part No.48327)

Exhaust Resonator and Pipe Assembly

from

$165.99
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:
  • EASY TO INSTALL — Meticulous pipe routing and OE-style hardware, flanges, and brackets for fast, easy installation
  • 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 quality
  • STRONG AND DURABLE — Features thick OE-style flanges, hardware and brackets for strength
  • GET MORE MILES FROM YOUR RESONATOR ASSEMBLY — Engineered to fit, perform and sound like the original system
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.61311)

Exhaust Pipe Flange Gasket

from

$5.99
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
See More

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

Exhaust Manifold Crossover Pipe

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
See More

BRExhaust – Direct-Fit Replacement Exhaust System (Part No.106-0072)

Direct-Fit Replacement Exhaust System

from

$347.99
BRExhaust Direct-Fit Replacement Exhaust Kit 106-0072 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. 106-0072¿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 106-0072 features durable aluminized steel construction and is covered by a 2 year warranty. BRExhaust 106-0072 is engineered for OEM 10368894, 19420122, 25668331, 25699641, 25700238, 25706842, 25726911, 25737470, 25737471, 25738458, 25738460, 25738461, 25738462, 25738909, 25738945, 25744207, 25754988, 25754989, 25754990, 25754991, 25773761, 25773762, 25773763 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
See More

AP Exhaust – Exhaust Pipe (Part No.H60002393183APE)

Exhaust Pipe

from

$143.42
Exhaust Pipe

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

Exh. Man. to Pipe Ga

from

$15.31
Exh. Man. to Pipe Ga

Most Sold 2003 Pontiac Bonneville Exhaust Hangers

Explore our best-selling Pontiac parts for the 2003 Bonneville among 1 OEM and aftermarket options starting from $11.49.

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

Exhaust Stud Kit - M10-1.5 x 62mm

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
See More

Top-Rated Exhaust Parts Brands For Your 2003 Pontiac Bonneville

Shop for the best-rated brands offering Exhaust Parts and other products for your 2003 Pontiac Bonnevilles. 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 Bonneville 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 Pontiac Bonneville Exhaust Parts

When it comes to maintaining or upgrading your 2003 Pontiac Bonneville, 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 Pontiac Bonneville. With over 4 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 $5.99, with an average price of just $12.77. Plus, with over 13 customer reviews and an average rating of 5 stars, you can trust that our FELPRO Exhaust Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

Exhaust Pipe Flange Gasket
from
$5.99
This product is not rated

Exhaust Pipe Flange Gasket

“”

Exhaust Pipe Flange Gasket
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”

Exhaust Pipe Flange Gasket
from
$10.29

(2)

Exhaust Pipe Flange Gasket

“Great gasket”

Popular Walker 2003 Pontiac Bonneville Exhaust Parts

Walker auto parts is one of the highest quality Exhaust Part brands in the market. Any 2003 Pontiac Bonneville owner should feel confident when installing genuine Walker parts in their vehicle. To ensure the best fit and performance for your 2003 Bonneville, Advance Auto Parts carries a full inventory of 10 Walker Exhaust Parts. Plus you will be keeping your Pontiac in peak condition while saving money because prices on these Walker Exhaust Parts range from $2.49 to $824.99, plus, with more than 41 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.

CalCat CARB Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID)
from
$824.99
This product is not rated

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

“”

Exhaust Clamp
from
$2.49
This product is not rated

Exhaust Clamp

“”

Exhaust Clamp
from
$8.99
This product is not rated

Exhaust Clamp

“”

FAQs for 2003 Pontiac Bonneville Exhaust Parts

Which Exhaust Parts are best-sellers for 2003 Pontiac Bonnevilles?

Out of 31 Exhaust Parts that fit 2003 Pontiac Bonnevilles, the following parts are the top sellers:

What’s the price range for 2003 Pontiac Bonneville Exhaust Parts?

Exhaust Part prices for the 2003 Pontiac Bonneville start at $2.49 and go up to $824.99 for the most premium parts.

What’s the average price of a Exhaust Part for a 2003 Pontiac Bonneville?

The average price for Exhaust Parts for the 2003 Pontiac Bonneville is $148.81. 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 Pontiac Bonneville model years?

Yes, we currently carry Exhaust Parts for 48 model years of Pontiac Bonnevilles between 1957 and 2005. Exhaust Parts are bought most frequently for the following model years: 2005, 2004, 2002, 2001, 2000, 1999, 1998, 1997, and 1996.

What are the cheapest Exhaust Parts for my 2003 Pontiac Bonneville?

The cheapest 2003 Pontiac Bonneville Exhaust Parts we carry in stock are:

What are the top-rated Exhaust Parts that fit the 2003 Pontiac Bonneville?

Out of 156 reviews by customers, our 2003 Pontiac Bonneville Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 2003 Pontiac Bonneville and their top-rated products:

What types of Exhaust Parts do you sell for my 2003 Pontiac Bonneville?

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

Can I get help with 2003 Pontiac Bonneville Exhaust Part orders?

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

What is your return policy for Pontiac Bonneville Exhaust Parts?

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