2003 Infiniti QX4 Exhaust Parts
More 2003 Infiniti QX4 Exhaust Parts Categories
If you’re looking for an original Exhaust Parts replacement for a 2003 Infiniti QX4, you can search through our selection below. You’ll also find aftermarket and OEM Exhaust Parts to meet your needs.
Essential 2003 Infiniti QX4 Exhaust Parts
Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18962)
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$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.
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Product Features:
- RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
- BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
- EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
- FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
- GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18964)
from
$139.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.
Product Features:
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Product Features:
- RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
- BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
- EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
- FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
- GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
Felpro – Exhaust Pipe Flange Gasket (Part No.60835)
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$4.99
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
Felpro – Exhaust Pipe Flange Gasket (Part No.61339)
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$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:
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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
Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10719-01)
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$19.49
As you would expect, extremely high temperatures are the sealing challenge for exhaust manifold gaskets. Victor Reinz has a long heritage of supplying manifold gaskets to original equipment vehicle manufacturers. Therefore, Victor Reinz exhaust manifold gaskets meet OE specifications on a wide range of vehicles, covering the most recent high-tech engine designs and going back decades to the muscle car era.
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Product Features:
- Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Ishino – Exhaust Manifold Gasket (Part No.A8111116835ISH)
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$15.32
Exhaust Manifold Gasket
MAHLE Original – EXHAUST MANIFOLD SET (Part No.MS19259)
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$26.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Walker – Ring Exhaust Pipe Flange Gasket: Fiber with Metal, Heat Resistant, Premium Materials (Part No.31576)
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$4.29
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.
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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
Nippon Reinz – Catalytic Converter Gasket (Part No.H4001176530NRZ)
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$8.59
NIPPON REINZ engineers work with OEMs to develop complete engine sealing solutions for gasoline, diesel, and alternative energy vehicles. We employ custom sealing solutions through our expert problem solving utilizing our regional research and development centers. As an Integral Partner with Virtually Every major vehicle and engine manufacturer worldwide, NIPPON REINZ offers a comprehensive range of sealing Innovative Systems, INCLUDING Head gaskets, Heat shields, sealing modules, secondary gaskets, Valve stem Seals, and transmission components.
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Walker – 2 Bolt Exhaust Pipe Flange Gasket: Steel , Heat Resistant, Premium Materials (Part No.31534)
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$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:
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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
Dorman – Double Ended Stud – M10-1.50 x 27mm and M10-1.50 x 12mm (Part No.29224)
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$6.29
This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.
Product Features:
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Product Features:
- 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 – M8-1.25 x 16mm and M8-1.25 x 16mm (Part No.29203)
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$6.49
This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.
Product Features:
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Product Features:
- 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
Walker – Exhaust 35725 Exhaust System Hanger Insulator (Part No.35725)
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$6.99
Complete your exhaust repair with Walker® insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.
Product Features:
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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
Walker – Intermediate Pipe Aluminized 28.5" (Part No.53393)
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$51.99
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:
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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
Walker – Intermediate Pipe Aluminized 33.75" (Part No.53394)
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$47.49
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:
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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
Walker – Intermediate Pipe Aluminized 35.75" (Part No.53109)
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$147.99
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:
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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
MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.49321)
from
$463.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49321. 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. Designed to fit the 2001-2004 Nissan Pathfinder and 2001-2003 INFINITI QX4, this direct-fit catalytic converter also interchanges with OE parts B08A0-4W10A and B08A0-5W500, among others. 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 California or Federal/EPA Emission systems.
Product Features:
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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.
MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.4451499)
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$1327.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4451499. 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. Designed to fit the 1996-1997 Nissan Pathfinder and 1997 INFINITI QX4, this direct-fit catalytic converter also interchanges with OE parts B08A0-0W000 and B08A0-0W500. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
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Product Features:
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
- Simplifies installation with essential gaskets and hardware being included in the box.
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.49320)
from
$371.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49320. 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. Designed to fit the 1996-2004 Nissan Pathfinder and 1997-2003 INFINITI QX4, this direct-fit catalytic converter also interchanges with OE parts B08A1-0W000 and B08A1-0W500, among others. 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 California or Federal/EPA Emission systems.
Product Features:
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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.
MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.447227)
from
$618.99
MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 447227 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. Designed to fit the 2001-2004 Nissan Pathfinder and 2001-2002 INFINITI QX4, this direct-fit catalytic converter also interchanges with OE parts 14006-4W001 and 20020-5W000, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Product Features:
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Product Features:
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
- Simplifies installation with essential gaskets and hardware being included in the box.
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
BRExhaust – Direct-Fit Premium Muffler Assembly – 283-713 (Part No.283-713)
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$305.99
BRExhaust Universal Exhaust MufflerThis 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.
Product Features:
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Product Features:
- Based on the original OEM design for a guaranteed perfect fit_x000d__x000d_
- No welds inside the silencer
- Easy installation
- Aluminized steel construction for maximum durability
- Constructed to reduce flex and withstand vehicle vibration
- External drain hole extends muffler life by allowing moisture to escape
- Uniform flow holes facilitate even distribution of exhaust flow through the muffler’s interior
BRExhaust – Direct-Fit Premium Resonator Assembly (Part No.278-713)
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$174.99
BRExhaust direct-fit exhaust resonators are designed to install easily and help you retain the OE exhaust sound you are looking for. The resonator is engineered to optimally reduce unwanted noises and backpressure while protecting against corrosion. Aluminized steel construction ensures maximum durability.
Product Features:
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Product Features:
- Direct-fit configuration
- Saves installation time by eliminating the need for the labor intensive bending and welding required with split system exhaust components
- Optimal noise reduction
- Low backpressure and corrosion protection
- Constructed using 16-gauge aluminized steel
- Aluminized steel construction for maximum durability
- Constructed to help reduce flex and withstand vehicle vibration
BRExhaust – Direct-Fit Premium Muffler Assembly – 285-187 (Part No.285-187)
from
$483.99
BRExhaust Universal Exhaust MufflerThis 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.
Product Features:
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Product Features:
- Based on the original OEM design for a guaranteed perfect fit_x000d__x000d_
- No welds inside the silencer
- Easy installation
- Aluminized steel construction for maximum durability
- Constructed to reduce flex and withstand vehicle vibration
- External drain hole extends muffler life by allowing moisture to escape
- Uniform flow holes facilitate even distribution of exhaust flow through the muffler’s interior
BRExhaust – Direct-Fit Premium Resonator Assembly (Part No.278-375)
from
$175.99
BRExhaust direct-fit exhaust resonators are designed to install easily and help you retain the OE exhaust sound you are looking for. The resonator is engineered to optimally reduce unwanted noises and backpressure while protecting against corrosion. Aluminized steel construction ensures maximum durability.
Product Features:
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Product Features:
- Direct-fit configuration
- Saves installation time by eliminating the need for the labor intensive bending and welding required with split system exhaust components
- Optimal noise reduction
- Low backpressure and corrosion protection
- Constructed using 16-gauge aluminized steel
- Aluminized steel construction for maximum durability
- Constructed to help reduce flex and withstand vehicle vibration
Walker – Exhaust 53464 Exhaust Resonator and Pipe Assembly (Part No.53464)
from
$159.99
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:
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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 – Exhaust 54084 Exhaust Resonator and Pipe Assembly (Part No.54084)
from
$151.99
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:
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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
BRExhaust – Direct-Fit Premium Resonator Assembly (Part No.760-715)
from
$164.99
BRExhaust direct-fit exhaust resonator and pipe assemblies are designed to install easily and help you retain the OE exhaust sound you are looking for. Increase horsepower and torque with this corrosion resistant direct-fit component. Aluminized steel construction ensures maximum durability.
Product Features:
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Product Features:
- Manufactured according to strict OE standards
- Sturdy design featuring premium-grade materials
- Precise fitment
- Hassle-free installation and functionality verified by comprehensive testing procedures
- Easy installation
- Direct-fit exhaust system component that saves installation time
Walker – Exhaust 53463 Exhaust Resonator and Pipe Assembly (Part No.53463)
from
$181.99
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:
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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
Popular 2003 Infiniti QX4 Exhaust Parts Categories
2003 Infiniti QX4 Exhaust Parts
You count on your 2003 Infiniti QX4 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 47 Exhaust Parts ranging in price from $3.29 to $1,071.99, you’re sure to find everything you need for your 2003 Infiniti QX4.
Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 10 different brands like Walker, Felpro, and BRExhaust. 2003 Infiniti QX4 Exhaust Parts start as low as $3.29!
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 87 extensive product reviews on 2003 Infiniti QX4 Exhaust Parts. Some of the top-rated Exhaust Parts products we carry are Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed with 3.8 stars and OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter with 4.8 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 Infiniti QX4 below to get started!
Top-Rated Exhaust Parts Brands For Your 2003 Infiniti QX4
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 Infiniti QX4 running right for years to come. In our inventory you’ll find brands like Walker, Felpro, BRExhaust, and even more.
Popular Felpro Exhaust Parts
You’ll find popular Felpro brand products across Exhaust Pipes. All are waiting to get your 2003 Infiniti QX4 back on the road. Some of the top-rated Felpro 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 Infiniti QX4, and some of our most reviewed Walker parts include:
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$3.29
(18)
2 Bolt Exhaust Pipe Flange Gasket: Metal with Fiber, Heat Resistant, Premium Materials
Catalytic Converter Gaskets
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$4.29
(9)
Ring Exhaust Pipe Flange Gasket: Fiber with Metal, Heat Resistant, Premium Materials
Catalytic Converter Gaskets
FAQs for 2003 Infiniti QX4 Exhaust Parts
What are the most purchased Exhaust Parts for the 2003 Infiniti QX4?
Out of 47 Exhaust Parts for the 2003 Infiniti QX4, the most popular in our inventory are:
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$6.49
(6)
Donut Exhaust Pipe Flange Gasket: Fiber with Metal, Heat Resistant, Premium Materials
Exhaust Pipe and Flange Gaskets
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$179.99
(10)
HM Grade Federal / EPA Compliant Universal Catalytic Converter
Catalytic Converters
What are the top-rated 2003 Infiniti QX4 Exhaust Parts?
Top-rated Exhaust Parts for your 2003 Infiniti QX4 based on customer reviews/ratings are:
from
$131.99
(5)
Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed
“Great product at a great price.”
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$463.99
(4)
OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
“ok all inclusive”
