from

$12.79

Black oxide finished carbon steel header bolts have a compact hex head and the flange is ideal for use where space is minimal – your typical header flange. Includes twelve (12) M8 – 1.25 x 25mm header bolts.

Product Features:

12 per Package
Fits GM LS Series Engines
Black Oxide Finish Resists Corrosion

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$667.99

DynoMax® Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler

Product Features:

Stainless steel construction for lifelong protection
100% welded design for maximum durability
Straight through design ensures unrestricted exhaust flow and reduces back pressure
CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.

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$96.99

Made from quality materials for durability, DynoMax® pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:

IMPROVED FLOW CAPACITY — Mandrel bends (where applicable) improve flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power
DESIGNED TO PERFORM — Fixture checked to ensure a precise fit for quick and easy installation
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
PREMIUM MATERIALS – Made from stainless steel for durability and long life
BETTER TOGETHER — Use premium DynoMax® accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade

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$85.99

Product Features:

Show Quality Chrome Platinum
Durable Black Finish
Can Be Welded Or Clamped
Complete The System
Glass-Packed Resonators

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$48.99

Seal-4-Good Header Flange Gasket

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$30.19

Manufactured from high-temperature composite exhaust material. Provides maximum torque retention to eliminate gasket failure. Can be trimmed if necessary for modified port applications. Precision die cut for an excellent fit. For OE replacement, high-performance street, drag race and oval track.

Product Features:

High-Temperature Exhaust Material
Withstands Extreme Exhaust Heat
Provides Excellent Sealing And Durability
Superior Tensile Strength
Resists Deteriorating
Provides Excellent Torque Retention

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$20.99

Complete your exhaust repair with a Walker spring bolt kit. Designed to ensure a tight connection and inhibit leaks, Walker hardware is manufactured from durable and robust material for long service life.

Product Features:

KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
CONSISTENT PERFORMANCE — Spring designed with the right compression strength for a secure connection
PREMIUM MATERIALS — Made from high-quality materials for durability and long life
THE RIGHT CONNECTION — Designed to be used for ball and socket joint
BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

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$28.99

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:

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

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$2.79

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

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$131.99

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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$618.99

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 1 5/8″ Header Shorty Stainless Steel 99-01 GM Truck 4.8/5.3L
Mandrel bent stainless steel tube

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$175.99

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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$233.99

Made from aluminized steel for durability, DynoMax® direct fit Y-pipe is manufactured with precision bends and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:

IMPROVED FLOW CAPACITY — Mandrel bends (where applicable) improve flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power
DESIGNED TO PERFORM — Fixture checked to ensure a precise fit for quick and easy installation
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
PREMIUM MATERIALS – Made from quality 16-gauge aluminized steel for durability and long life
BUILD IT YOURSELF — Design and custom fabricate your own exhaust system with DynoMax® pipe
BETTER TOGETHER — Use premium DynoMax® accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade

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$9.99

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┬« accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

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$7.29

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

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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$7.79

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

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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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$19.99

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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$2.99

Complete your exhaust repair with an Exhaust Mate® U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.

Product Features:

CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
PREMIUM MATERIALS – Made from quality material for durability and long life
BETTER TOGETHER — Use Walker® accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade

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$1.99

Complete your exhaust repair with an Exhaust Mate® U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.

Product Features:

CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
PREMIUM MATERIALS – Made from quality material for durability and long life
BETTER TOGETHER — Use Walker® accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade

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$77.99

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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$46.99

Customize your exhaust system with a DynoMax® stainless steel tip. Made of high-grade 304 polished stainless steel, DynoMax exhaust tips are available in a variety of sizes making it easy to bolt on a custom look.

Product Features:

CUSTOM LOOK — Enhance your exhaust system with this tip that features an embossed DynoMax® logo
DOUBLE-WALL DESIGN — Features two layers of premium 304 polished stainless steel is slant cut for a beefy look
AVAILABLE IN DIFFERENT SIZES — Offered in a variety of sizes to work with a wide range of exhaust systems
EASY TO INSTALL — Clamp-on installation for an easy upgrade
BETTER TOGETHER — Use premium DynoMax® accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade

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$131.99

The only broad-market muffler with 100% stainless-steel construction, Walker® Quiet-Flow® SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import 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

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$206.99

The Super 50 series muffler is a larger version of Flowmaster’s 50 series Delta Flow muffler. Originally designed for trucks and SUV’s, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

Product Features:

Mild to stock exterior exhaust tone
Minimal interior resonance
Excellent choice for large displacement vehicles
Improved horsepower, torque and potential mileage improvement
Race proven patented Delta Flow technology

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$185.99

The Super 50 series muffler is a larger version of Flowmaster’s 50 series Delta Flow muffler. Originally designed for trucks and SUV’s, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

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$969.99

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.
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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$598.99

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49649. 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 Cadillac Escalade, 2001-2006 GMC Yukon, 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 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.

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$390.99

MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 447206 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 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 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 CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.

1998 GMC Yukon Exhaust Parts

More 1998 GMC Yukon Exhaust Parts Categories

Essential 1998 GMC Yukon Exhaust Parts

Mr. Gasket – Black Oxide Header Bolts for Tight Spaces (Part No.918G)

Dynomax – Single – 3in Cat-Back Exhaust System – Ultra Flo Welded Muffler: Stainless Steel (Part No.39436)

Dynomax – 53922 Exhaust Pipe (Part No.53922)

Flowtech – Terminator; Exhaust Tips (Part No.59905FLT)

Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66121)

Mr. Gasket – Exhaust Gasket Set (Part No.150)

Walker – Exhaust 36463 Exhaust Bolt and Spring (Part No.36463)

Dorman – Help – Exhaust Manifold Hardware Kit – M8-1.25 Stainless Steel (Part No.03413HP)

Carquest Premium – Secondary Air Injection Pipe Gasket (Part No.EVA1014)

Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-157)

JBA Performance – 1850S 1 5/8" Header Shorty Stainless Steel 99-01 GM Truck 4.8/5.3L (Part No.1850S)

Walker – Y Pipe Aluminized 22.5" (Part No.40295)

Dynomax – Exhaust Extension Pipe (Part No.53097)

Walker – Ring Exhaust Pipe Flange Gasket: Fiber with Metal, Heat Resistant, Premium Materials (Part No.31610)

Victor Reinz – Catalytic Converter Gasket (Part No.71-14058-00)

Walker – Exhaust 35229 Exhaust System Hanger Insulator (Part No.35229)

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

Felpro – Exhaust Pipe Flange Gasket (Part No.60584)

Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.75 (Part No.35793)

Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2 (Part No.35335)

Walker – Universal Catalytic Converter :Fabrication Needed; 2 " In, 2 "Ou, EPA Compliance (Part No.53004)

Dynomax – 36505 Exhaust Pipe Spout (Part No.36505)

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21614)

Flowmaster Inc. – Super 50 Muffler, 3in Center Inlet 3in Offset Outlet, 17in long, Non-Reversible, Moderate Sound (Part No.853057)

Flowmaster Inc. – 50 Series Muffler, 2.25in Dual Offset Inlet 3in Center Outlet, Non-Reversible, Moderate Sound (Part No.524553)

Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.81713)

MagnaFlow – OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.49649)

MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.447206)

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