1991 Buick Roadmaster Exhaust Parts

Essential 1991 Buick Roadmaster Exhaust Parts

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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Mr. Gasket – ExhstHdrBolt (Part No.2230G)

ExhstHdrBolt

from

$46.99
ExhstHdrBolt

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
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Walker – Hanger Length 1.5 (Part No.35270)

Hanger Length 1.5

from

$10.99
Complete your exhaust repair with Walker® exhaust hangers. Designed with OE-style features to support undercar exhaust components, Walker hangers are manufactured from durable and robust material for long service life.

Product Features:
  • KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
  • OE DESIGN — Designed with OE-style features for easy installation
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • PREMIUM MATERIALS — Made from quality steel for durability and long life
  • 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 Flange Stud Kit – M10-1.5 x 62mm Stainless Steel (Part No.03133HP)

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

from

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

SoundFX Muffler, Direct Replacement, No Fabrication Needed

from

$85.99
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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Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.22393)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

from

$141.99
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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Walker – Exhaust 21687 Exhaust Resonator (Part No.21687)

Exhaust 21687 Exhaust Resonator

from

$62.99
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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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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Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.81128)

CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

from

$516.99
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
  • BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty
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Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.81127)

CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

from

$511.99
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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Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.5 (Part No.35337)

Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2.5

from

$8.99
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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Walker – Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2 (Part No.35335)

Clamp U-Bolt Bolt Dia 0.375 Length Nut Type Hex Pipe Dia 2

from

$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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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

from

$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 – 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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Taylor Gaskets – Header Gasket (Part No.66123)

Header Gasket

from

$29.99
Header Gasket

Taylor Gaskets – Header Gasket (Part No.66088)

Header Gasket

from

$29.99
Header Gasket

Mr. Gasket – Copper Seal; Exhaust Gasket Set (Part No.7154)

Copper Seal; Exhaust Gasket Set

from

$57.99
Copperseal exhaust gaskets are unique gaskets made from .043 inch solid copper. They feature an embossed O-ring design for a leak proof seal. They won’t shrink, deteriorate or blowout. Header bolts stay tight. Ideal for motor homes and towing.

Product Features:
  • Will not shrink/deteriorate
  • Creates a tight leak proof seal
  • Helps lower under hood temps
  • Seals irregular surfaces
  • Seals slightly damaged surface
  • Ideal for tow vehicles
  • Ideal for motor homes
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Felpro – Exhaust Manifold Gasket Set (Part No.MS 90012)

Exhaust Manifold Gasket Set

from

$10.29
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
  • 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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Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66121)

Seal-4-Good Header Flange Gasket

from

$48.99
Seal-4-Good Header Flange Gasket

Taylor Gaskets – Header Gasket (Part No.66122)

Header Gasket

from

$48.99
Header Gasket

Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66012)

Seal-4-Good Header Flange Gasket

from

$51.99
Seal-4-Good Header Flange Gasket

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

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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1991 Buick Roadmaster Exhaust Parts

You count on your 1991 Buick Roadmaster to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Exhaust Parts. With 30 Exhaust Parts ranging in price from $2.49 to $511.99, you’re sure to find everything you need for your 1991 Buick Roadmaster.

Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 6 different brands like Dorman, Felpro, and Walker. 1991 Buick Roadmaster Exhaust Parts start as low as $2.49!

One of the best ways to find top quality OEM or aftermarket Exhaust Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 69 extensive product reviews on 1991 Buick Roadmaster Exhaust Parts. Some of the top-rated Exhaust Parts products we carry are Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed with 4.3 stars and Sound Solution Muffler with 4.7 stars.

Did we mention you can order your Exhaust Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Exhaust Parts inventory for your 1991 Buick Roadmaster below to get started!

Top-Rated Exhaust Parts Brands For Your 1991 Buick Roadmaster

Trusted Exhaust Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1991 Buick Roadmaster running right for years to come. In our inventory you’ll find brands like Dorman, Felpro, Walker, and even more.

Popular Felpro Exhaust Parts

You’ll find popular Felpro brand products across Exhaust Gaskets. All are waiting to get your 1991 Buick Roadmaster back on the road. Some of the top-rated Felpro products in these categories are:
Exhaust Manifold Gasket Set
from $19.99
(21)
Exhaust Manifold Gasket Set
Exhaust Manifold Gaskets

FAQs for 1991 Buick Roadmaster Exhaust Parts

What are the most purchased Exhaust Parts for the 1991 Buick Roadmaster?

Out of 30 Exhaust Parts for the 1991 Buick Roadmaster, 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 Manifold Hardware Kit - 3/8-16 In.
from $11.49
(1)
Exhaust Manifold Hardware Kit – 3/8-16 In.
Exhaust Manifold and Header Hardware
Exhaust Flange Hardware - 4 Bolts And 2 Studs - 3/8-16
from $19.29
This product is not rated
Exhaust Flange Hardware – 4 Bolts And 2 Studs – 3/8-16
Exhaust Manifold and Header Hardware

What are the top-rated 1991 Buick Roadmaster Exhaust Parts?

Top-rated Exhaust Parts for your 1991 Buick Roadmaster based on customer reviews/ratings are:
Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed
from $278.99
(3)
Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed
“Aside from the shop having to add a small piece of tubing for the install to work, the cat has been flawless from in the moment of install and has res”
Sound Solution Muffler
from $64.99
(3)
Sound Solution Muffler
“Fit perfect, same size as original muffler. No inlet or outlet leaks.”
SoundFX Muffler, Direct Replacement, No Fabrication Needed
from $85.99
(1)
SoundFX Muffler, Direct Replacement, No Fabrication Needed
“Want to add more flow and power to your ride and still keep it quiet this is a great OEM style upgrade made of stainless for durability”