2021 Nissan Altima Exhaust Parts

Essential Exhaust Parts for 2021 Nissan Altimas

Ishino Stone – Exh. Man. to Pipe Ga (Part No.H400329446ISH)

Exh. Man. to Pipe Ga

from

$4.50
Exh. Man. to Pipe Ga

Ishino Stone – Cat. Converter Gaske (Part No.H4001419199ISH)

Cat. Converter Gaske

from

$16.62
Cat. Converter Gaske

Bosal – Exhaust Gasket (Part No.H4000920883BSL)

Exhaust Gasket

from

$11.02
Exhaust Gasket

Mahle – Exhaust Gasket (Part No.H4000140179MAH)

Exhaust Gasket

from

$15.12
Exhaust Gasket

MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.50833)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$458.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50833. 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 2004-2008 Nissan Maxima, 2004-2009 Nissan Quest, and more, this direct-fit catalytic converter also interchanges with OE parts 208A2-7Y10A and 208A2-7Y60A, 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 Federal/EPA Emission systems.

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.
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Walker – CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) (Part No.83217)

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

from

$354.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.

Product Features:
  • CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state¿s aftermarket converter regulations.
  • CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state┐s aftermarket converter regulations.
  • SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
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MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.49322)

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$481.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49322. 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 2004-2008 Nissan Maxima, 2004-2009 Nissan Quest, and more, this direct-fit catalytic converter also interchanges with OE parts 208A2-7Y10A and 208A2-7Y60A, 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:
  • 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

MagnaFlow – OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.49295)

OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$711.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49295. 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 2007-2018 Nissan Altima, 2008-2019 Nissan Rogue, and more, this direct-fit catalytic converter also interchanges with OE parts 14002-CZ30E and 14002-JA91E, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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:
  • 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

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.32111)

Exhaust Manifold Hardware Kit

from

$25.49
This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance.

Product Features:
  • Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles.
  • Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Help – Exhaust Flange Hardware (Part No.03087)

Exhaust Flange Hardware

from

$11.29
Designed for an exact fit, our Exhaust Bolt & Spring. Save time and energy by having the right hardware on hand when you need it.

Product Features:
  • Direct replacement – this exhaust spring and bolt match the fit and function of the factory parts on specified years, makes and models.
  • Ideal solution – reliable replacement for the original parts that are missing or have failed due to heat and corrosion
  • Durable construction – made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Help – Exhaust Flange Hardware (Part No.03087CD)

Exhaust Flange Hardware

from

$11.49
This exhaust spring and bolt are designed to match the fit and function of the original parts on specified vehicles. Made of quality materials, they are engineered for reliable performance.

Product Features:
  • Direct replacement – this exhaust spring and bolt match the fit and function of the factory parts on specified years, makes and models.
  • Ideal solution – reliable replacement for the original parts that are missing or have failed due to heat and corrosion
  • Durable construction – 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

Ishino Stone – Cat. Converter Gaske (Part No.H4001419196ISH)

Cat. Converter Gaske

from

$15.15
Cat. Converter Gaske

Ishino Stone – Exh. Man. to Pipe Ga (Part No.H40031099479ISH)

Exh. Man. to Pipe Ga

from

$21.54
Exh. Man. to Pipe Ga

Walker – Exhaust Pipe Flange Gasket (Part No.31397)

Exhaust Pipe Flange Gasket

from

$6.79
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
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Walker – Exhaust Pipe Flange Gasket (Part No.31374)

Exhaust Pipe Flange Gasket

from

$5.29
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

Ishino Stone – Cat. Converter Gaske (Part No.H4001109962ISH)

Cat. Converter Gaske

from

$10.15
Cat. Converter Gaske

MAHLE Original – Exhaust Pipe Gasket (Part No.F31878)

Exhaust Pipe Gasket

from

$7.29
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

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
  • Exhaust pipe gaskets from MAHLE Original are manufactured with the best materials to withstand high temperature 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
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Beck/Arnley – Exhaust Flange Gasket (Part No.039-6441)

Exhaust Flange Gasket

from

$7.49
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:
  • Matches OE form, fit and function
  • Made with high quality materials designed to resist high heat conditions
  • Reinforced for extra strength
  • Packaged in clear plastic for easy visibility and identification of all components
  • Application specific for this vehicle
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Felpro – Exhaust Pipe Flange Gasket (Part No.61773)

Exhaust Pipe Flange Gasket

from

$9.99
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

Walker – Donut Exhaust Pipe Flange Gasket: Metal with Fiber, Heat Resistant, Premium Materials (Part No.31377)

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

from

$6.99
Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and 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
See More

Walker – Exhaust Pipe Flange Gasket (Part No.31735)

Exhaust Pipe Flange Gasket

from

$8.49
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 – Exhaust Pipe Flange Gasket (Part No.31736)

Exhaust Pipe Flange Gasket

from

$8.49
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

MagnaFlow – OEM Grade Direct Fit Catalytic Converter – EPA Federal Compliant (Part No.H3000957284MAG)

OEM Grade Direct Fit Catalytic Converter - EPA Federal Compliant

from

$1093.20
EPA Federal Compliant – Not Legal for sale or use in California. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. OEM Grade is for use with California Emmision Equipped vehicles outside the State of California, New York and Maine. MagnaFlow specializes in superior catalytic converter and exhaust technology and has spent the past 30+ years earning its reputation as a global market leader. American engineered and manufactured. MagnaFlow Catalytic Converters combine efficient industrial design to produce a product that exceeds, rather than meets, the highest standards of product performance and efficiency in the industry. MagnaFlow uses both Ceramic and Metallic substrates with different combinations of cell density and wall thickness to meet vehicle specific requirements. MagnaFlow Direct-Fit Catalytic Converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. All Federal catalytic converters meet EPA requirements. Federal Catalytic Converters are not legal for sale, installation or use on vehicles registered in the state of California.

Product Features:
  • Stainless steel construction
  • Direct-Fit; No welding or cutting
  • Ceramic and Metallic substrates
  • Federal Emissions compliant design
  • Formulated for Gas and Diesel Applications
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Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-508)

Direct Fit Exhaust Manifold: With Heat Shield

from

$147.99
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 – Pre-Converter – Not CARB Compliant (Part No.679-577)

Pre-Converter - Not CARB Compliant

from

$1163.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-934)

Direct Fit Exhaust Manifold: With Heat Shield

from

$335.99
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 – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-331)

Direct Fit Exhaust Manifold: With Heat Shield

from

$286.99
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 – Manifold Converter – Carb Compliant – For Legal Sale In NY – CA – ME (Part No.673-9591)

Manifold Converter - Carb Compliant - For Legal Sale In NY - CA - ME

from

$932.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles.
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation.
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Upgrade your 2021 Nissan Altima with Top-Quality Exhaust Parts

When it comes to maintaining or upgrading your 2021 Nissan Altima, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Nissan or enhancing its overall performance, Exhaust Parts are key to keeping your Altima functioning at its best. At Advance Auto Parts, we offer a wide selection of 7 Exhaust Parts for the 2021 Nissan Altima, designed to meet your needs without breaking the bank. From Exhaust System Kit replacements to Exhaust Mufflers 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 2021 Nissan Altima at great prices. Our Exhaust Parts inventory for this model ranges from just $4.44 to $1,198.99, with an average price of $328.43. Our 7 Exhaust Parts in stock come from 4 trusted brands, so you’re sure to find the right part for your 2021 Nissan Altima 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 2021 Nissan Altima, we stock popular OEM and aftermarket Exhaust Parts from top names like Mahle, and more. Mahle Exhaust Parts start at just $12.81 and boast an impressive 4 stars average rating from customers. With 3 customer reviews and counting, our 2021 Nissan Altima 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 2021 Nissan Altima is always ready to roll. We’re committed to providing you with everything you need to keep your Altima in top shape, all in one place. Start shopping confidently below for your 2021 Nissan Altima!

Best-Selling Exhaust System Kits for 2021 Nissan Altimas

Enhance the driving experience in your Nissan with 1 quality Exhaust System Kit components, starting at $25.49.

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.32111)

Exhaust Manifold Hardware Kit

from

$25.49
This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance.

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

Most Popular 2021 Nissan Altima Exhaust Mufflers

Customize your Nissan with 1 Exhaust Mufflers products like Exhaust Muffler Gaskets, all priced under $4.44.

Ishino Stone – Exh. Man. to Pipe Ga (Part No.H400331407ISH)

Exh. Man. to Pipe Ga

from

$4.44
Exh. Man. to Pipe Ga

Top Picks for 2021 Nissan Altima Catalytic Converters

Upgrade Nissan Altimas with top-quality Catalytic Converters parts, including 2 OEM and aftermarket selections for your 2021 model.

Mahle – Exhaust Gasket (Part No.H4000176633MAH)

Exhaust Gasket

from

$12.81
Exhaust Gasket

Dorman – Pre-Converter – Not CARB Compliant (Part No.679-578)

Pre-Converter - Not CARB Compliant

from

$1198.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

In-Demand Exhaust Manifold and Headers for 2021 Nissan Altimas

Select from 1 premium Exhaust Manifold and Headers parts for your 2021 Nissan Altima.

Dorman – Pre-Converter – Not CARB Compliant (Part No.679-577)

Pre-Converter - Not CARB Compliant

from

$1163.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Most Sold 2021 Nissan Altima Exhaust Pipes

Explore our best-selling Nissan parts for the 2021 Altima among 2 OEM and aftermarket options starting from $7.99.

Felpro – EXHAUST FLANGE GASKET (Part No.61728)

EXHAUST FLANGE GASKET

from

$7.99
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

Felpro – Exhaust Pipe Flange Gasket (Part No.61773)

Exhaust Pipe Flange Gasket

from

$9.99
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

Top-Rated Exhaust Parts Brands For Your 2021 Nissan Altima

Shop for the best-rated brands offering Exhaust Parts and other products for your 2021 Nissan Altimas. Below you’ll find some of our best rated Exhaust Parts from Mahle, and more. Exhaust Parts from these brands that fit a 2021 Altima start at just $12.81 and are rated as high as 4 stars. OEM and aftermarket Exhaust Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular Mahle 2021 Nissan Altima Exhaust Parts

When it comes to maintaining or upgrading your 2021 Nissan Altima, using quality Exhaust Parts is essential to ensure durability and a perfect fit. Mahle ticks all of those boxes. We offer a wide selection of Mahle Exhaust Parts, specifically designed for the 2021 Nissan Altima. With over 1 Mahle brand Exhaust Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $12.81. Plus, with over 1 customer reviews and an average rating of 4 stars, you can trust that our Mahle 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 Gasket
from
$12.81

(1)

Exhaust Gasket

“Worked”

FAQs for 2021 Nissan Altima Exhaust Parts

Which Exhaust Parts are best-sellers for 2021 Nissan Altimas?

Out of 7 Exhaust Parts that fit 2021 Nissan Altimas, the following parts are the top sellers:

What’s the price range for 2021 Nissan Altima Exhaust Parts?

Exhaust Part prices for the 2021 Nissan Altima start at $4.44 and go up to $1,198.99 for the most premium parts.

What’s the average price of a Exhaust Part for a 2021 Nissan Altima?

The average price for Exhaust Parts for the 2021 Nissan Altima is $328.43. 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 Nissan Altima model years?

Yes, we currently carry Exhaust Parts for 31 model years of Nissan Altimas between 1993 and 2024. Exhaust Parts are bought most frequently for the following model years: 2023, 2022, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Exhaust Parts for my 2021 Nissan Altima?

The cheapest 2021 Nissan Altima Exhaust Parts we carry in stock are:

What types of Exhaust Parts do you sell for my 2021 Nissan Altima?

As of 2/5/25, these are some of the most in-demand types of Exhaust Parts for a 2021 Nissan Altima:

Can I get help with 2021 Nissan Altima Exhaust Part orders?

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

What is your return policy for Nissan Altima Exhaust Parts?

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