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$278.99

The 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under heavy loads. Well suited to heavy duty vehicles such as full size trucks, SUV’s, RVs, and tow vehicles. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

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$278.99

The 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under heavy loads. Well suited to heavy duty vehicles such as full size trucks, SUV’s, RVs, and tow vehicles. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

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$1105.99

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 447281. 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 2001-2006 Chevrolet Silverado 2500 HD, 2006 GMC Sierra 1500, and additional vehicles. 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 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:

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.

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$1036.99

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 447269. 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 2001-2006 Chevrolet Silverado 2500 HD, 2001-2005 Chevrolet Suburban 2500, and additional vehicles. 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 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:

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.

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$1151.99

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 447283. 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 2002-2006 GMC Sierra 2500 HD, 2001-2005 Chevrolet Silverado 1500 HD, and additional vehicles. 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 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:

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.

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$17.29

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

Product Features:

Direct replacement for a proper fit every time
Durable steel construction
New hardware helps fix exhaust leaks
Also available in the Exhaust Manifold Hardware Kit

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$26.99

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

Product Features:

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

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$24.99

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

Product Features:

Designed and manufactured to meet the needs of the exhaust system repair environment.
Verified, tested and certified proprietary Organic coating resists corrosion.
Tightly controlled coefficient of friction ensures reliable installation.
Application specific kit contents
Self-locking nuts (where applicable).

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$11.99

Available in hex head or socket head designs. The hex head is designed for easy installation of headers and heat-treated for extra strength. The special washer faced, smaller-than-standard hex head is ideal for tight spaces. Or save time, work and solve the impossible tightening problems of some header installations with socket head bolts. They help to eliminate improper gasket seal. Various sizes available in each type of bolt.

Product Features:

Designed for quick easy installation
Compact bolt head and flange
Black oxide finish resists corrosion

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$22.49

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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$51.99

This exhaust manifold to cylinder head repair clamp is designed to match the fit and function of the original clamp on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Saves time – When an exhaust manifold fastener breaks, this exhaust manifold repair clamp saves time by creating a seal without needing to extract the broken stud
Location-specific – engineered to fit the exhaust manifold on specified GM and Isuzu vehicles on the front right on vehicles without EGR valve, or rear left
Complete kit – includes clamp and fasteners for a thorough, secure repair
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$15.99

Our Exhaust Manifold Hardware Kit comes with the necessary installation components to assist you in replacing your manifold. Save time and energy by having the right hardware on hand when you need it.

Product Features:

Direct replacement for a proper fit every time
Durable steel construction
Repair kit helps to secure exhaust manifold to the vehicle engine head
Manufactured to strict engineering quality standards

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$31.99

This exhaust manifold to cylinder head repair clamp is designed to match the fit and function of the original clamp on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Saves time – When an exhaust manifold fastener breaks, this exhaust manifold repair clamp saves time by creating a seal without needing to extract the broken stud
Location-specific – engineered to fit the exhaust manifold center on specified GM and Hummer vehicles
Complete kit – includes clamp and fasteners for a thorough, secure repair
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$17.99

GM Genuine Parts Exhaust Manifold Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They help form a gas-tight connection between the exhaust manifold and cylinder heads. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Helps prevent exhaust leaks
Helps provide a tight seal where the exhaust manifold mounts to the engine block
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$31.99

Remflex unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000 degrees – day after day, week after week, year after year. Now, they are bringing this technology to enthusiasts of all kinds to eliminate exhaust leaks for good Whether you have an old pick-up that needs a manifold gasket, or a race car with custom-built headers, you can be assured that Remflex exhaust gaskets will work properly the first time, every time.

Product Features:

100 Percent Flexible Graphite Construction
Designed To Withstand Clamping Force And Incredible Heat
Eliminate Exhaust Leaks
No Re-Torquing Necessary, Remflex Exhaust Gaskets Rebound 30 Percent, Creating An Optimum Seal That Eliminates The Need To Re-Torque

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$27.49

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.

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.

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$11.99

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

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$17.49

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 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

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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

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

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$6.49

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

Product Features:

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

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$32.05

Exhaust Bolt

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$799.99

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

Product Features:

JBA Performance Exhaust 1850S-3JT 1 5/8″ Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L Titanium Ceramic
Mandrel bent stainless steel tube

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$114.99

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

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$641.99

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

Product Features:

JBA Performance Exhaust 1850S-3 1 5/8″ Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L
Mandrel bent stainless steel tube

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$799.99

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

Product Features:

JBA Performance Exhaust 1850S-3JS 1 5/8″ Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L Silver Ceramic
Mandrel bent stainless steel tube

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$162.99

Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

Product Features:

Upgraded materials – this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking
Complete kit – includes new manifold, manifold gasket, 2 flange gaskets, 3 studs, 3 nuts
Direct fit – reverse engineered from original equipment for seamless installation
Quality engineering – designed and tested in the United States

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$114.99

Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

Product Features:

Upgraded materials – this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking
Complete kit – includes new manifold, manifold gasket, flange gasket, 3 studs, 3 nuts
Direct fit – reverse engineered from original equipment for seamless installation
Quality engineering – designed and tested in the United States

2001 Chevrolet Silverado 1500 HD Exhaust Parts

More 2001 Chevrolet Silverado 1500 HD Exhaust Parts Categories

Essential 2001 Chevrolet Silverado 1500 HD Exhaust Parts

Flowmaster Inc. – 50 Big Block Muffler – 3.00 Dual In / 3.50 Offset Out – Mild Sound (Part No.530513)

Flowmaster Inc. – 50 Series Muffler, 3in Dual Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Mild Sound (Part No.530504)

MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.447281)

MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.447269)

MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.447283)

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

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

Felpro – EXHAUST MANIFOLD BOLT SET (Part No.ES 75120)

Mr. Gasket – Header Bolts (Part No.918G)

Dorman – Exhaust Manifold Hardware Kit (Part No.675-226)

Dorman – Exhaust Manifold Clamp Repair (Part No.917-107)

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03413)

Dorman – Exhaust Manifold Repair Clamp (Part No.917-108)

GM Genuine Parts – Exhaust Manifold Gasket (Part No.12617944)

Remflex – Flexible Graphite, Set Of 2 (Part No.2008)

Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10604-01)

Walker – 2 Bolt Exhaust Pipe Flange Gasket: Graphite with Steel, Heat Resistant, Premium Materials (Part No.31574)

Walker – 3 Bolt Exhaust Pipe Flange Gasket: Metal with Fiber, Heat Resistant, Premium Materials (Part No.31718)

Felpro – Exhaust Pipe Flange Gasket (Part No.61287)

Felpro – Exhaust Pipe Flange Gasket (Part No.61323)

Dorman – Exhaust Bolt (Part No.H80151097742DOR)

JBA Performance – 1850S-3JT 1 5/8" Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L Titanium Ceramic (Part No.1850S-3JT)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-525)

JBA Performance – 1850S-3 1 5/8" Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L (Part No.1850S-3)

JBA Performance – 1850S-3JS 1 5/8" Header Shorty Stainless Steel 03-06 GM Truck/Hummer 6.0L Silver Ceramic (Part No.1850S-3JS)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-732)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-522)

Popular 2001 Chevrolet Silverado 1500 HD Exhaust Parts Categories

2001 Chevrolet Silverado 1500 HD Exhaust Parts

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FAQs for 2001 Chevrolet Silverado 1500 HD Exhaust Parts

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