2003 Pontiac Grand Prix Exhaust Parts
More 2003 Pontiac Grand Prix Exhaust Parts Categories
If you’re looking for an original Exhaust Parts replacement for a 2003 Pontiac Grand Prix, you can search through our selection below. You’ll also find aftermarket and OEM Exhaust Parts to meet your needs.
Essential 2003 Pontiac Grand Prix Exhaust Parts
Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18982)
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$109.99
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.
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- 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
Dynomax – Dual – 2.25in/2.5in Cat-Back Exhaust System – Super Turbo Muffler: Aluminized Steel (Part No.19363)
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$766.99
DynoMax® Super Turbo performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglas
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Product Features:
- Large internal flow tubes improve exhaust flow and reduce backpressure
- Exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications.
- Fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone
- Dyno proven to flow up to 700 SCFM
Walker – Exhaust 35230 Exhaust System Hanger Insulator (Part No.35230)
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$16.29
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.
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- 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
Walker – Exhaust 35460 Exhaust System Hanger Insulator (Part No.35460)
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$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.
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Product Features:
- OE DESIGN — Designed with OE-style features for easy installation and fit
- PREMIUM MATERIALS — Made from high-quality materials for durability and long life
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
- KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
- BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
Dorman – Double Ended Stud – 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in (Part No.29201)
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$9.99
This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.
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Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Double Ended Stud Kit – 3/8-16 x 1-1/4 in and 3/8-16 x 7/16 in (Part No.29200)
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$9.99
This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.
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Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.24205)
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$419.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24205. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed to fit the 2004-2008 Pontiac Grand Prix, 2005-2009 Buick LaCrosse, 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 OBDII Federally registered vehicles with Federal/EPA Emission systems.
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Product Features:
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
- Simplifies installation with essential gaskets and hardware being included in the box.
- Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.81102)
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$678.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.
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Product Features:
- CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
- SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
- CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
- DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
Walker – 2 Bolt Exhaust Pipe Flange Gasket: Tin with Metal, Heat Resistant, Premium Materials (Part No.31605)
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$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.
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Product Features:
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
- HEAT RESISTANT — Designed to resist heat for long-lasting performance
- PREMIUM MATERIALS — Made from high-quality materials for durability and long life
- ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
- BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
Walker – Donut Exhaust Pipe Flange Gasket: Graphite, Heat Resistant, Premium Materials (Part No.31523)
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$12.49
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.
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Product Features:
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
- HEAT RESISTANT — Designed to resist heat for long-lasting performance
- PREMIUM MATERIALS — Made from high-quality materials for durability and long life
- ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
- BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
Walker – Y Pipe Aluminized 55" (Part No.55204)
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$264.99
Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.
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Product Features:
- RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
- EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
- OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
- BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
- AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information
Dynomax – 53202 Exhaust Y Pipe (Part No.53202)
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$126.99
Made from aluminized steel for durability, DynoMax® direct fit Y-pipe is manufactured with precision bends and fixture checked to ensure a precise fit for quick and easy installation.
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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 quality 16-gauge aluminized steel for durability and long life
- BUILD IT YOURSELF — Design and custom fabricate your own exhaust system with DynoMax® pipe
- BETTER TOGETHER — Use premium DynoMax® accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade
Felpro – Exhaust Pipe Flange Gasket (Part No.61310)
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$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
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Felpro – Exhaust Pipe Flange Gasket (Part No.60525)
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$14.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Walker – Exhaust 21398 Exhaust Resonator (Part No.21398)
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$89.99
Designed to fit, perform and sound like the original system, Walker® resonators use precise tuning technologies to deliver excellent flow characteristics and OE-style sound.
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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
Walker – Exhaust 21383 Exhaust Resonator (Part No.21383)
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$127.99
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.
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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
Dorman – Exhaust Manifold Crossover Pipe (Part No.679-003)
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$393.99
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.
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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
Walker – Exhaust 47792 Exhaust Resonator and Pipe Assembly (Part No.47792)
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$152.99
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.
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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
Walker – Bracket Bolt On Length 2.5 (Part No.35003)
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$7.99
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, offerin
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Product Features:
- Offered in a variety of styles and sizes for your installation needs
- New Walker accessories help to ensure effective exhaust repairs
- Constructed from durable and robust material for long life
- Designed to work seamlessly with OE and Walker aftermarket replacement parts
- Walker supplies all of the accessories you need to do the complete exhaust job
BRExhaust – Exhaust Clamp (Part No.250-058)
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$6.49
Sourcing mounting parts from the manufacturer that designs and makes the exhaust system is the only way to guarantee the perfect fit. That’s why, whilst developing the exhaust system, BRExhaust also develops the installation hardware to the same standards.
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- whilst developing the exhaust system
- BRExhaust also develops the installation hardware to the same standards.
- Manufactured from quality materials to ensure maximum durability
- Proper fit and functionality to finish your install
- Perfect, gas-tight performance
- Exhaust accessory that facilitates a complete installation process.
- Built to OEM specifications
Dorman – Exhaust Manifold Crossover Pipe (Part No.H6020367541DOR)
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$361.55
More like a complete kit than a single part, Dorman’s Exhaust Crossover Pipe includes all necessary gaskets and hardware for a complete installation. Since this part is a direct replacement, the exact fit adds another layer of efficiency and convenience.
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Product Features:
- Comes with two flange bolts and one flange gasket per side for ease of installation
- Rust-resistant for long-lasting performance
- Corrosion-resistant for extended durability
- A rigorous quality inspection has been undertaken to ensure that this part conforms to product standards
Walker – Walker Intermediate Pipe (Part No.43166)
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$29.99
Walker premium pre-bent pipe features 100% aluminized steel construction for durability And is manufactured with precision benders, And then fixture checked insuring a precise fit for quick And easy installation. Walker is a “one-stop” convenience, offering complete engine-to-tailpipe coverage of replacement emissions control systems And components for popular domestic, import And commercial vehicle applications.
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Felpro – EXHAUST MANIFOLD GASKET SET (Part No.MS 95586)
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$37.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
- Contains all gaskets and seals to remove and replace exhaust manifold
- Contains all gaskets and seals to remove and replace exhaust manifold
Mr. Gasket – Exhaust Gasket Set (Part No.150)
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$30.19
Manufactured from high-temperature composite exhaust material. Provides maximum torque retention to eliminate gasket failure. Can be trimmed if necessary for modified port applications. Precision die cut for an excellent fit. For OE replacement, high-performance street, drag race and oval track.
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Product Features:
- High-Temperature Exhaust Material
- Withstands Extreme Exhaust Heat
- Provides Excellent Sealing And Durability
- Superior Tensile Strength
- Resists Deteriorating
- Provides Excellent Torque Retention
Felpro – EXHAUST MANIFOLD GASKET SET (Part No.MS 95829)
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$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
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
- Contains all gaskets and seals to remove and replace exhaust manifold
Hooker Headers – High-Performance Small Block Chevy Long Tube Headers (Part No.2451HKR)
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$283.99
Small block Chevy 350 applications. Hooker has a complete line of engine swap headers, front frame mounts and transmission mounts for popular engine swaps. Available for Chevy, Chrysler and Ford small block and big block engines. Hooker swap headers and mounts are designed to provide an exact fit when used together. Hooker swap headers add the extra horsepower and torque the serious enthusiast demands. Hooker Headers are the best single improvement you can make.
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- High Performance
- Affordable
- Durable 16 Gauge Material
- Welds Easier
- Lasts Longer
- Heat Cured
- High Heat Resistant
Hooker Headers – ExhstHdr (Part No.2301HKR)
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$642.99
ExhstHdr
Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-544)
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$128.99
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.
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Product Features:
- Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
- Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance
- Complete repair – includes all necessary gaskets and downpipe hardware
- Trustworthy design – built by industry leader in aftermarket manifolds
Popular 2003 Pontiac Grand Prix Exhaust Parts Categories
2003 Pontiac Grand Prix Exhaust Parts
You count on your 2003 Pontiac Grand Prix to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Exhaust Parts. With 57 Exhaust Parts ranging in price from $1.99 to $766.99, you’re sure to find everything you need for your 2003 Pontiac Grand Prix.
Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 9 different brands like Walker, Felpro, and Dorman. 2003 Pontiac Grand Prix Exhaust Parts start as low as $1.99!
One of the best ways to find top quality OEM or aftermarket Exhaust Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 480 extensive product reviews on 2003 Pontiac Grand Prix Exhaust Parts. Some of the top-rated Exhaust Parts products we carry are HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter with 3.8 stars and Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed with 4.0 stars.
Did we mention you can order your Exhaust Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Exhaust Parts inventory for your 2003 Pontiac Grand Prix below to get started!
Top-Rated Exhaust Parts Brands For Your 2003 Pontiac Grand Prix
Trusted Exhaust Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Pontiac Grand Prix running right for years to come. In our inventory you’ll find brands like Walker, Felpro, Dorman, and even more.
Popular MAHLE Original Exhaust Parts
You’ll find popular MAHLE Original brand products across Exhaust Gaskets. All are waiting to get your 2003 Pontiac Grand Prix back on the road. Some of the top-rated MAHLE Original products in these categories are:
Top-Rated Walker Exhaust Parts
If Walker are what you’re looking for, our inventory holds plenty. We stock Walker brand Exhaust Parts for your 2003 Pontiac Grand Prix, and some of our most reviewed Walker parts include:
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$8.49
(24)
2 Bolt Exhaust Pipe Flange Gasket: Graphite, Heat Resistant, Premium Materials
Exhaust Pipe and Flange Gaskets
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$392.99
(14)
Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed
Catalytic Converters
FAQs for 2003 Pontiac Grand Prix Exhaust Parts
What are the most purchased Exhaust Parts for the 2003 Pontiac Grand Prix?
Out of 57 Exhaust Parts for the 2003 Pontiac Grand Prix, the most popular in our inventory are:
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$16.99
(2)
Donut Exhaust Pipe Flange Gasket: Metal, Heat Resistant, Premium Materials
Exhaust Pipe and Flange Gaskets
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$179.99
(13)
Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed
Catalytic Converters
What are the top-rated 2003 Pontiac Grand Prix Exhaust Parts?
Top-rated Exhaust Parts for your 2003 Pontiac Grand Prix based on customer reviews/ratings are:
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$391.99
(13)
HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
“Hey it works great”
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$179.99
(12)
Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed
“Good product but very little room for error when cutting off old catalytic converter and matching up to new.”
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$127.99
(11)
Exhaust 21383 Exhaust Resonator
“I’ve bought other Walker mufflers from your store before. Always been great how their made.”
