GMC Envoy Exhaust Parts

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, 1 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

When it comes to performance exhaust systems, most people are looking for three things: Power, sound,and quality. JBA Exhaust Systems deliver the best of all three, giving it both great looks and performance.One of the first performance upgrades typical

Product Features:

• JBA Performance Exhaust 40-3027 3″ Stainless Steel Exhaust System 02-06 Trailblazer/Envoy 2/4 Wheel Drive
• Large diameter stainless steel mandrel-bent tube

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:

• 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

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

This components in this exhaust manifold gasket and hardware kit are designed to match the fit and function of the original components to restore a secure connection between the cylinder head and the exhaust manifold on specified vehicles.

Product Features:

• Direct replacement – engineered to match the fit, function and performance of the original gasket(s) and hardware required to attach the exhaust manifold to the cylinder head
• Restores functionality – designed to ensure a secure connection when the original gasket(s) and hardware have fatigued, cracked or failed, or the exhaust manifold is being serviced
• Durable construction – designed, manufactured and tested to strict specifications for reliable service
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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

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

The factory-style bolts used to secure the exhaust manifold to the cylinder head on certain vehicles are prone to cracking and failure from extreme thermal cycles and corrosion. This convenient Dorman OE FIX hardware kit contains twelve M8-1.25 x 30mm bolts made of 100 percent stainless steel that provide superior strength and resistance to corrosion. The bolts are precision-manufactured to match the fit and function of the original equipment hardware, and help ensure a professional and more durable repair. The kit contains the bolts required to install one exhaust manifold.

Product Features:

• Upgraded hardware – this set of twelve M8-1.25 x 30mm exhaust manifold mounting bolts are 100 percent stainless steel for superior heat and corrosion resistance
• Convenient solution – kit contains all the application-specific hardware necessary to install one exhaust manifold
• 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

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).

Sourcing mounting parts from the manufacturer that designs and makes the exhaust system is the only way to guarantee the perfect fit. That’s why, whilst developing the exhaust system, BRExhaust also develops the installation hardware to the same standards. To ensure a gas-tight connection and a secure suspension, we always recommend the replacement of the mounting parts when fitting a new exhaust.

Product Features:

• BRExhaust also develops the installation hardware to the same standards.
• Manufactured from quality materials to ensure maximum durability
• Proper fit and functionality to finish your install
• Perfect, gas-tight performance
• Exhaust accessory that facilitates a complete installation process.
• Built to OEM specifications

Sourcing mounting parts from the manufacturer that designs and makes the exhaust system is the only way to guarantee the perfect fit. That’s why, whilst developing the exhaust system, BRExhaust also develops the installation hardware to the same standards. To ensure a gas-tight connection and a secure suspension, we always recommend the replacement of the mounting parts when fitting a new exhaust.

Product Features:

• BRExhaust also develops the installation hardware to the same standards.
• Manufactured from quality materials to ensure maximum durability
• Proper fit and functionality to finish your install
• Perfect, gas-tight performance
• Exhaust accessory that facilitates a complete installation process.
• Built to OEM specifications

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 – 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

ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.

Product Features:

• Material Is Not Affected By Corrosion Or Extreme Heat
• The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
• Substantially Stronger Than Grade 8 Hardware
• Nominally Rated At 170,000 PSI Tensile Strength
• Set of 12
• 3/8” Wide Header Flange
• 1.181? Underhead Length

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

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

The factory-style fasteners used to secure the exhaust manifold to the pipe flange on certain vehicles are prone to cracking and failure from extreme thermal cycles and corrosion. This convenient Dorman OE FIX hardware kit contains six application-specific M10-1.5 studs and nuts made of 100 percent stainless steel that provide superior strength and resistance to corrosion. These fasteners are precision-manufactured to match the fit and function of the original equipment hardware, and help ensure a professional and more durable repair. The kit contains the studs and nuts required to join both manifolds to the manifold flanges.

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

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

Product Features:

• CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
• EASY TO INSTALL – Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and welding
• 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
• PREMIUM ACOUSTIC CONTROL – OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
• DESIGN VALIDATED – Acoustic and flow tested for quality OE-style sound you can count on
• BUY WITH CONFIDENCE – Comes with Walker’s limited warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.

Combining the only broad-market stainless-steel construction with a direct fit OE-style replacement, Walker Quiet-Flow SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign vehicles.

Product Features:

• CORROSION RESISTANT STAINLESS STEEL : The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
• EASY TO INSTALL : Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
• 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
• PREMIUM ACOUSTIC CONTROL : OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
• DESIGN VALIDATED : Acoustic and flow tested for quality OE-style sound you can count on

Combining the only broad-market stainless-steel construction with a direct fit OE-style replacement, Walker Quiet-Flow SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign vehicles.

Product Features:

• CORROSION RESISTANT STAINLESS STEEL : The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
• EASY TO INSTALL : Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
• 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
• PREMIUM ACOUSTIC CONTROL : OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
• DESIGN VALIDATED : Acoustic and flow tested for quality OE-style sound you can count on

MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23994 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 2006-2007 Chevrolet Trailblazer, 2006-2007 GMC Envoy, and additional vehicles. 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:

• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• 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
• Durable 308 stainless steel MIG welds

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5451217. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun” Body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed to fit the 2004-2005 Chevrolet Trailblazer, 2004-2005 GMC Envoy, and additional vehicles. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed 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:

• Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• 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
• Durable 308 stainless steel MIG welds

Product Features:

• EPA COMPLIANT – For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
• DIRECT-FIT DESIGN – Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and welding
• KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES – OE-style high-technology wash coat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
• STRONG AND DURABLE – Features thick OE-style flanges, hangers and brackets for strength and durability
• OE-STYLE DESIGN – Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
• BUY WITH CONFIDENCE – Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 50,000-mile/80,000-kilometer structural integrity limited warranty. Visit Walkerexhaust.com for details.

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

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

BRExhaust replacement exhaust brackets make repairs easy. Each gasket has been engineered to according to OE standards to ensure a gas-tight connection and precise fitment. Utilizing the OE specifications also makes installation easy.

Product Features:

• Designed to facilitate hassle-free exhaust repair
• Precise fitment
• Manufactured from quality materials to ensure maximum durability
• Designed for a leak free connection
• OE structure and design
• Built to OEM specifications
• Secure gas-tight connection