Buick Roadmaster Exhaust Parts

Essential Buick Roadmaster Exhaust Parts

Walker – CalCat Universal Converter (Part No.80828)

CalCat Universal Converter

from

$182.99
Walker®, an industry leader for many popular European, Asian and North American vehicles, offers Walker® CalCat® Universal Catalytic Converters, available for OBDII (1996 and newer) vehicles and Pre-OBD (1995 and older) vehicles, specifically formulated to comply with California Air Resource Board (CARB) regulations. Walker® CalCat® Universal Catalytic Converters feature OE-style hangers, brackets, routings and heat shields allowing quick and easy installation of direct-fit units. OE expertise delivers application-engineered parts, providing the best fit and performance for even the most challenging emissions issues, while premium substrate material and a high-technology wash coat ensure exceptional oxygen storage capacity. Walker® CalCat® Catalytic Converters are legal for sale in the state of California, and any state complying with California regulations.

Product Features:
  • Legal for sale in the state of California, complies with C.A.R.B. regulations
  • Stainless steel body with aluminized pipe and heat shields for durability
  • Expandable bushings for custom installation requirements
  • Universal converter may require modification to complete installation
  • 5-year/50,000-mile catalytic performance and structural integrity warranty
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Felpro – Exhaust Flange (Part No.ES 75111)

Exhaust Flange

from

$27.49
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:
  • 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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Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.25 (Part No.35336)

Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.25

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$2.49
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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Walker – Exhaust 35725 Exhaust System Hanger Insulator (Part No.35725)

Exhaust 35725 Exhaust System Hanger Insulator

from

$6.99
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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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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Walker – Intermediate Pipe Aluminized 43" (Part No.44915)

Intermediate Pipe Aluminized 43"

from

$42.99
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 – Donut Exhaust Pipe Flange Gasket: Iron, Heat Resistant, Premium Materials (Part No.31550)

Donut Exhaust Pipe Flange Gasket: Iron, Heat Resistant, Premium Materials

from

$15.99
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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Walker – Exhaust 31865 Exhaust Flange. (Part No.31865)

Exhaust 31865 Exhaust Flange.

from

$14.29
Walker®, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker® is a ‘one-stop’ convenience, offerin

Product Features:
  • Offered in a variety of styles and sizes for your installation needs
  • High quality material helps to ensure a leak-free connection
  • New Walker® accessories help to ensure effective exhaust repairs
  • Designed to work seamlessly with Walker aftermarket replacement parts
  • Walker® supplies all of the accessories you need to do the complete exhaust job
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Walker – Resonator Substitute Pipe Aluminized 25.5" (Part No.43072)

Resonator Substitute Pipe Aluminized 25.5"

from

$46.99
Complete your exhaust job with Walker® exhaust pipe and components. Made from aluminized steel for durability and reduced corrosion, Walker exhaust pipe is available in a variety of lengths and diameters for weld or clamp installations.

Product Features:
  • RESISTS CORROSION — Durable aluminized steel construction and helps reduce corrosion
  • SPECS — Features the appropriate Inlet Diameter (I.D.) – Outlet Diameter
  • FLEXIBLE SOLUTION — Offered in a variety of lengths and diameters for a customizable fit; may require specialized fabrication and welding for installation
  • COMPATIBILITY — Ideal for weld or clamp installations and for connecting the exhaust pipe
  • COMPLETE THE REPAIR — Finish your muffler installation with Walker accessories
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Felpro – Exhaust Pipe Flange Gasket (Part No.60988)

Exhaust Pipe Flange Gasket

from

$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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Felpro – Exhaust Pipe Flange Gasket (Part No.9097)

Exhaust Pipe Flange Gasket

from

$2.29
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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Flowtech – Terminator; Exhaust Tips (Part No.59905FLT)

Terminator; Exhaust Tips

from

$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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Walker – Exhaust 21687 Exhaust Resonator (Part No.21687)

Exhaust 21687 Exhaust Resonator

from

$66.99
Designed to fit, perform and sound like the original system, Walker® resonators use precise tuning technologies to deliver excellent flow characteristics and OE-style sound.

Product Features:
  • RESISTS CORROSION — Durable aluminized steel construction and helps reduce corrosion
  • FACTORY SOUND — OE-style louvered tubes (where applicable) help reduce radiated noise for factory-style sound
  • FLEXIBLE SOLUTION — Customizable design for easy fitment and may require specialized fabrication and/or welding for installation
  • STRONG AND DURABLE — Features thick OE-style flanges, hardware and brackets for strength
  • GET MORE MILES FROM YOUR RESONATOR — Engineered to fit, perform and sound like the original system
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Dorman – Direct Fit Exhaust Manifold: With Heat Shield (Part No.674-206)

Direct Fit Exhaust Manifold: With Heat Shield

from

$92.99
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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Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18339)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

from

$81.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • 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
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
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Walker – Sound Solution Muffler (Part No.18749)

Sound Solution Muffler

from

$64.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
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Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5965)

Ultra Seal: Exhaust Gasket Set

from

$43.99
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.

Product Features:
  • Manufactured from high-temperature steel core/graphite faced exhaust material
  • Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
  • Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
  • Conforms to and seals minor surface irregularities
  • Can be trimmed if necessary for modified port applications
  • For OE replacement, high performance street, drag race and oval track use
  • Anti-Stick Properties
  • Easy Removal For Disassembly
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Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66120)

Seal-4-Good Header Flange Gasket

from

$48.99
Seal-4-Good Header Flange Gasket

Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66031)

Seal-4-Good Header Flange Gasket

from

$48.99
Seal-4-Good Header Flange Gasket

Felpro – Exhaust Manifold Gasket Set (Part No.MS 9275 B)

Exhaust Manifold Gasket Set

from

$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
  • 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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Walker – Intermediate Pipe Aluminized 45.5" (Part No.45520)

Intermediate Pipe Aluminized 45.5"

from

$52.99
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 – Extension Pipe Aluminized 35" (Part No.54014)

Extension Pipe Aluminized 35"

from

$73.99
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
  • COMPATIBILITY — Ideal for weld or clamp installations
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Walker – Extension Pipe Aluminized 24.5" (Part No.43052)

Extension Pipe Aluminized 24.5"

from

$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
  • COMPATIBILITY — Ideal for weld or clamp installations
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Walker – Intermediate Pipe Aluminized 55.625" (Part No.45521)

Intermediate Pipe Aluminized 55.625"

from

$50.99
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
See More

Helping You Find the Right Exhaust Parts for Your Buick Roadmaster

You love your Roadmaster. So we’ve made it easier than ever to help you find Buick Roadmaster Exhaust Parts in our online catalog. Our inventory holds 56 aftermarket and OEM Exhaust Parts for your Buick Roadmaster, ranging from $1.99 to $516.99.

We offer parts from 8 brands trusted to make quality Exhaust Parts for your Buick Roadmaster. Before you buy, take some time to read through customer reviews. We currently have 999 reviews of Buick Roadmaster Exhaust Parts from previous customers. Some of the top rated parts include HM Grade Federal / EPA Compliant Universal Catalytic Converter with 4.0 stars and Terminator; Exhaust Tips with 4.0 stars.

Find your Roadmaster Exhaust Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Buick Roadmaster 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 Buick Roadmaster

Our inventory holds Exhaust Parts for your Buick Roadmaster from 8 trusted brands. You’ll find OEM and aftermarket parts from brands like Walker, Felpro, and Dorman, all of which can keep that Buick happy.
We have Taylor Gaskets parts available for your Buick Roadmaster in categories like Exhaust Gaskets. Some of the top-rated Taylor Gaskets parts in these categories are:
Seal-4-Good Header Flange Gasket
from $48.99
(1)
Seal-4-Good Header Flange Gasket
Exhaust Manifold Gaskets

Top-Rated Walker Exhaust Parts

Leading Walker Exhaust Parts

We carry Walker brand parts for your Buick Roadmaster across several catalog categories, including Exhaust Hangers and Catalytic Converters. Some of our most reviewed Walker parts include:
Exhaust 35725 Exhaust System Hanger Insulator
from $6.99
(21)
Exhaust 35725 Exhaust System Hanger Insulator
Exhaust System Insulators
Sound Solution Muffler
from $64.99
(3)
Sound Solution Muffler
Mufflers

FAQs for Buick Roadmaster Exhaust Parts

What are the most purchased Exhaust Parts for the Buick Roadmaster?

Out of 56 Exhaust Parts for the Buick Roadmaster, the most popular in our inventory are:
Exhaust Manifold Gasket Set
from $19.99
(21)
Exhaust Manifold Gasket Set
Exhaust Manifold Gaskets
Exhaust Stud Kit - M10-1.5 x 62mm
from $17.29
(19)
Exhaust Stud Kit – M10-1.5 x 62mm
Exhaust Hangers and Hardware

What are the top-rated Buick Roadmaster Exhaust Parts?

Top-rated Exhaust Parts for your Buick Roadmaster based on customer reviews/ratings are:
HM Grade Federal / EPA Compliant Universal Catalytic Converter
from $178.99
(5)
HM Grade Federal / EPA Compliant Universal Catalytic Converter
“needs to be cut to fit my application but worked great”
Terminator; Exhaust Tips
from $85.99
(5)
Terminator; Exhaust Tips
“very nice…worth the money.”
EXHAUST MANIFOLD GASKET SET
from $26.49
(3)
EXHAUST MANIFOLD GASKET SET
“Felpro is great.”