GMC C6500 Topkick Exhaust Parts

Essential GMC C6500 Topkick Exhaust Parts

Dorman – Turbocharger Clamp (Part No.667-573)

Turbocharger Clamp

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$91.99
This exhaust clamp is designed to match the function of the original equipment clamp on specified vehicles. Manufactured from quality materials for reliability, it is engineered to help ensure secure connections between exhaust system components..

Product Features:
  • Direct replacement – this exhaust clamp is designed to match the function of the original equipment clamp on specified vehicles.
  • Ideal solution – engineered to help ensure secure connections between exhaust system components
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • 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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Walker – Clamp V-Band Bolt Dia 0.25 Length Nut Type Lock Pipe Dia 4.25 (Part No.35036)

Clamp V-Band Bolt Dia 0.25 Length Nut Type Lock Pipe Dia 4.25

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$49.99
Complete your exhaust repair with a Walker® V band clamp. Featuring a T-bolt latch design for superior clamping and sealing, Walker hardware is manufactured from durable and robust material for long service life.

Product Features:
  • SUPERIOR SEAL — T-bolt latch design for superior clamping and sealing
  • OE DESIGN — Designed with OE-style features for secure fit
  • THE RIGHT CONNECTION — For use with flared connectors
  • PREMIUM MATERIALS – Made from robust material for durability and long life
  • BETTER TOGETHER — Use Walker® accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Dorman – Help – Exhaust Manifold Hardware Kit (Part No.32121)

Exhaust Manifold Hardware Kit

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$25.99
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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Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310070)

Vibe Lock Header Bolt Kit

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$85.99
Vibe Lock Header Bolt Kit

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

Exhaust Stud Kit - M10-1.5 x 62mm

from

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

Exhaust Flange Stud Kit - M10-1.5 x 62mm Stainless Steel

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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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MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.93607)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

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$1154.99
MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93607 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed to fit the 1998-2000 Chevrolet K3500, 1998-2000 Chevrolet C3500, 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 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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MagnaFlow – HM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.99209HM)

HM Grade Federal / EPA Compliant Universal Catalytic Converter

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$178.99
MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99209HM helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. 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 formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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Dorman – HD Solutions – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-5008)

Direct Fit Exhaust Manifold: Without Heat Shield

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$789.99
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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Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-239)

Direct Fit Exhaust Manifold: With Heat Shield

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$191.99
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 and 3 springs
  • Direct fit – reverse engineered from original equipment for seamless installation
  • Quality engineering – designed and tested in the United States
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Walker – Tail Pipe Aluminized 12.8" (Part No.42448)

Tail Pipe Aluminized 12.8"

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$49.49
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:
  • 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
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Walker – Tail Pipe Aluminized 12" (Part No.41097)

Tail Pipe Aluminized 12"

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$64.99
Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:
  • RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
  • EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
  • OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information
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Walker – Exhaust 42423 Exhaust Pipe (Part No.42423)

Exhaust 42423 Exhaust Pipe

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$33.99
Made from stainless steel for durability, Walker® pre-cut flex tubing is available in a variety of diameters and lengths for a variety of applications.  

Product Features:
  • DAMPENS VIBRATIONS — Flex-lock construction dampens exhaust system vibrations and movement while inhibiting leaks 
  • RESISTS CORROSION — Durable stainless-steel construction for corrosion resistance and performance 
  • SECURE FIT — Burr-free construction for proper fitment 
  • BETTER TOGETHER — Use quality Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade 
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of diameters and lengths; see product specifications for more information 
  • COMPATIBILITY — Designed for use with strap band clamps  
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Felpro – Exhaust Pipe Flange Gasket (Part No.60986)

Exhaust Pipe Flange Gasket

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$4.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Felpro – Exhaust Pipe Flange Gasket (Part No.61012)

Exhaust Pipe Flange Gasket

from

$14.99
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
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Felpro – Exhaust Pipe Flange Gasket (Part No.61287)

Exhaust Pipe Flange Gasket

from

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

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Walker – Exhaust 43381 Exhaust Pipe (sold by each) (Part No.43381)

Exhaust 43381 Exhaust Pipe (sold by each)

from

$60.99
Made from galvanized steel for durability, Walker® pre-cut flex tubing is available in a variety of diameters and lengths for a variety of applications.  

Product Features:
  • DAMPENS VIBRATIONS — Flex-lock construction dampens exhaust system vibrations and movement while inhibiting leaks 
  • RESISTS CORROSION — Durable galvanized-steel construction for corrosion resistance and performance 
  • SECURE FIT — Burr-free construction for proper fitment 
  • BETTER TOGETHER — Use quality Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade 
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of diameters and lengths; see product specifications for more information 
  • COMPATIBILITY — Designed for use with strap band clamps  
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Walker – Heavy Duty Muffler, Direct Replacement, No Fabrication Needed (Part No.22566)

Heavy Duty Muffler, Direct Replacement, No Fabrication Needed

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$355.99
Walker® offers hundreds of muffler designs and styles to fit virtually any hard-working on/off road commercial vehicle. Walker is a “one-stop” convenience, offering complete engine-to-tailpipe coverage of replacement emissions control systems and componen

Product Features:
  • Manufactured from aluminized steel for durability
  • Designed to help ensure long service life
  • Engineered to reduce in-cab and exterior engine noise
  • Offered in a variety of styles, sizes and materials for your installation needs
  • An economical replacement for the original equipment part
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Walker – Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliance (Part No.22642)

Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliance

from

$377.99
Walker offers hundreds of muffler designs and styles to fit virtually any hard-working on/off road commercial vehicle. 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.

Product Features:
  • Designed to help ensure long service life
  • An economical replacement for the original equipment part
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Walker – Heavy Duty Muffler, Direct Replacement, No Fabrication Needed (Part No.22643)

Heavy Duty Muffler, Direct Replacement, No Fabrication Needed

from

$334.99
Walker® offers hundreds of muffler designs and styles to fit virtually any hard-working on/off road commercial vehicle. Walker is a “one-stop” convenience, offering complete engine-to-tailpipe coverage of replacement emissions control systems and componen

Product Features:
  • Manufactured from aluminized steel for durability
  • Designed to help ensure long service life
  • Engineered to reduce in-cab and exterior engine noise
  • Offered in a variety of styles, sizes and materials for your installation needs
  • An economical replacement for the original equipment part
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MAHLE Original – EXHAUST MANIFOLD SET (Part No.MS16091)

EXHAUST MANIFOLD SET

from

$18.99
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
  • 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
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Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10264-01)

Exhaust Manifold Gasket Set

from

$23.99
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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Felpro – Exhaust Manifold Gasket Set (Part No.MS 95840)

Exhaust Manifold Gasket Set

from

$25.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Contains all gaskets and seals to remove and replace exhaust manifold
  • Contains all gaskets and seals to remove and replace exhaust manifold
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Felpro – Exhaust Manifold Gasket Set (Part No.MS 90502)

Exhaust Manifold Gasket Set

from

$26.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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

Victor Reinz – Exhaust Manifold Gasket Set (Part No.11-10270-01)

Exhaust Manifold Gasket Set

from

$23.49
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.
See More

Helping You Find the Right Exhaust Parts for Your GMC C6500 Topkick

You love your C6500 Topkick. So we’ve made it easier than ever to help you find GMC C6500 Topkick Exhaust Parts in our online catalog. Our inventory holds 32 aftermarket and OEM Exhaust Parts for your GMC C6500 Topkick, ranging from $2.99 to $1,154.99.

We offer parts from 7 brands trusted to make quality Exhaust Parts for your GMC C6500 Topkick. Before you buy, take some time to read through customer reviews. We currently have 355 reviews of GMC C6500 Topkick Exhaust Parts from previous customers. Some of the top rated parts include Exhaust Pipe Flange Gasket with 5.0 stars and HM Grade Federal / EPA Compliant Universal Catalytic Converter with 4.0 stars.

Find your C6500 Topkick Exhaust Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your GMC C6500 Topkick part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Exhaust Parts Brands for Your GMC C6500 Topkick

Our inventory holds Exhaust Parts for your GMC C6500 Topkick from 7 trusted brands. You’ll find OEM and aftermarket parts from brands like Felpro, Dorman, and Walker, all of which can keep that GMC happy.
We have MAHLE Original parts available for your GMC C6500 Topkick in categories like Exhaust Gaskets. Some of the top-rated MAHLE Original parts in these categories are:
EXHAUST MANIFOLD SET
from $18.99
(2)
EXHAUST MANIFOLD SET
Exhaust Manifold Gaskets

FAQs for GMC C6500 Topkick Exhaust Parts

What are the most purchased Exhaust Parts for the GMC C6500 Topkick?

Out of 32 Exhaust Parts for the GMC C6500 Topkick, the most popular in our inventory are:
Exhaust Stud Kit - M10-1.5 x 62mm
from $17.29
(19)
Exhaust Stud Kit – M10-1.5 x 62mm
Exhaust Hangers and Hardware
Exhaust Pipe Flange Gasket
from $14.99
This product is not rated
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets
Exhaust Pipe Flange Gasket
from $8.79
(1)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets

What are the top-rated GMC C6500 Topkick Exhaust Parts?

Top-rated Exhaust Parts for your GMC C6500 Topkick based on customer reviews/ratings are:
Exhaust Pipe Flange Gasket
from $4.29
(2)
Exhaust Pipe Flange Gasket
“Great fit & good product”
HM Grade Federal / EPA Compliant Universal Catalytic Converter
from $178.99
(1)
HM Grade Federal / EPA Compliant Universal Catalytic Converter
“Best price for parts”