1978 Pontiac LeMans Exhaust Parts

Essential 1978 Pontiac LeMans Exhaust Parts

Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66011)

Seal-4-Good Header Flange Gasket

from

$51.99
Seal-4-Good Header Flange Gasket

Felpro – Exhaust Manifold Gasket Set (Part No.MS 9499 SH)

Exhaust Manifold Gasket Set

from

$16.29
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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Mr. Gasket – ExhstHdrBolt (Part No.2230G)

ExhstHdrBolt

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$46.99
ExhstHdrBolt

Mr. Gasket – Header Bolt Set (Part No.2210G)

Header Bolt Set

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$44.99
Made from durable 304 stainless steel, this compact bolt head and flange is ideal for use where space is minimal, typical on header flanges. It resists rust and corrosion, provides a clean professional appearance.

Product Features:
  • Bright ball burnish finish
  • These bolts are made from 304 stainless
  • Compact hex head is ideal where space is limited
  • 12 per set
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Walker – Intermediate Pipe Aluminized 77.625" (Part No.47558)

Intermediate Pipe Aluminized 77.625"

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$45.99
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 – Intermediate Pipe Aluminized 78" (Part No.47510)

Intermediate Pipe Aluminized 78"

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$23.99
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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Felpro – Exhaust Pipe Flange Gasket (Part No.60985)

Exhaust Pipe Flange Gasket

from

$5.29
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
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.60975)

Exhaust Pipe Flange Gasket

from

$8.49
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
See More

Walker – Sound Solution Muffler (Part No.18693)

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 – Sound Solution Muffler (Part No.18759)

Sound Solution Muffler

from

$62.99
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 – Exhaust 31865 Exhaust Flange. (Part No.31865)

Exhaust 31865 Exhaust Flange.

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$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 – Exhaust 31882 Exhaust Flange. (Part No.31882)

Exhaust 31882 Exhaust Flange.

from

$16.49
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 – Hanger Length 9 (Part No.35871)

Hanger Length 9

from

$13.79
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 Spring – 0.825 In. OD x 1.135 In. ID x 1.570 In. Length (Part No.03081)

Exhaust Flange Spring - 0.825 In. OD x 1.135 In. ID x 1.570 In. Length

from

$6.99
Designed for an exact fit, our Exhaust Spring provides you with the proper flange spring for replacing the manifold. Save time and energy by having the right hardware on hand when you need it.

Product Features:
  • Constructed of durable spring steel
  • Rust and corrosion resistant
  • Also available in a kit that include the Exhaust Manifold Bolt
  • Easy installation
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Flowmaster Inc. – Prebent Tailpipes – 3.00 in. Rear Exit – Pair (Part No.15818)

Prebent Tailpipes - 3.00 in. Rear Exit - Pair

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$251.99
Prebent pipe kits. Flowmaster’s 16 gauge mandrel bent pipe kits are designed to fit perfectly onto your vehicle with all the quality and performance that you would expect from Flowmaster.
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Walker – Tail Pipe Aluminized 25.509" (Part No.43770)

Tail Pipe Aluminized 25.509"

from

$38.49
Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:
  • RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
  • EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
  • OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information
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Hooker Headers – ExhstHdr (Part No.2301HKR)

ExhstHdr

from

$617.99
ExhstHdr

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-197)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$144.99
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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Hooker Headers – Headers (Part No.2106-1HKR)

Headers

from

$966.99
Headers

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 – 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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Dynomax – 89017 Exhaust System Kit (Part No.89017)

89017 Exhaust System Kit

from

$259.99
Give your vintage vehicle’s exhaust system an upgrade with a DynoMax® dual header kit. Designed to attach with OE headers, it features a special reducer that allows for a variety of mounting options.

Product Features:
  • COMPATIBILITY — Designed for 1978-1987 midsize sedans such as Oldsmobile Cutlass, Chevrolet Monte Carlo, Buick Regal and Pontiac Grand Prix; see product information for compatibility and engine spec
  • BUILD IT YOURSELF — Design and custom fabricate your own exhaust system with this kit that attaches to OE headers
  • FLEXIBLE MOUNTING — Special reducer design allows for a variety of mounting options
  • IMPROVED FLOW CAPACITY — Smooth bends improve flow capacity over traditional bends
  • SPECS — Extra-long tailpipes with side exits with a full 2.25-in. diameter; tail pipes exit on each side of vehicle at rear bumper
  • COMPLETE SOLUTION — Includes all the necessary clamps, hangers, flanges, gaskets, mounting hardware, intermediate, extension and tail pipes
  • PREMIUM MATERIALS – Made from quality aluminized steel for durability and long life
  • BETTER TOGETHER — Complete your system with premium DynoMax mufflers and DynoMax accessories for a complete performance exhaust system
  • WARNING — Not legal for use on pollution-controlled motor vehicles; headers are for racing use only and not intended or applicable for highway use
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Thrush – 89023 Exhaust System Kit (Part No.89023)

89023 Exhaust System Kit

from

$379.99
Upgrade your vintage muscle car’s exhaust system with a Thrush® Turbo Header Back System. Featuring Thrush Turbo mufflers with reversible flow chambers, spun-locked heads and aluminized construction, it has everything needed for installation.

Product Features:
  • ENGINEERED TO LAST — Features 2.5-in. aluminized smooth bend pipes
  • CLASSIC SOUND — Features Thrush® Turbo mufflers with tri-flow design with reversible flow chambers for that classic Thrush sound
  • STRONG AND DURABLE — Muffler has a 100% aluminized-coated shell and spun lock heads for long life
  • EASY TO INSTALL — Bolt-on installation for an easy upgrade; no fabrication or welding required
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Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15031)

Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed

from

$178.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Universal Catalytic Converters are available for pre-OBDII (1995 and older) vehicles.

Product Features:
  • EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED — Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • 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
  • 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 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
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BRExhaust – Federal Direct-Fit Pre-OBDII Catalytic Converter – 079-5009 (Part No.079-5009)

Federal Direct-Fit Pre-OBDII Catalytic Converter - 079-5009

from

$174.99
Product Features:
  • Product might not be available in all states due to local laws.
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Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15036)

Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed

from

$103.99
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Universal Catalytic Converters are available for pre-OBDII (1995 and older) vehicles.

Product Features:
  • EPA COMPLIANT — For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
  • NO BREAK IN REQUIRED — Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
  • 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
  • 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 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
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BRExhaust – Federal Direct-Fit Pre-OBDII Catalytic Converter – 079-5003 (Part No.079-5003)

Federal Direct-Fit Pre-OBDII Catalytic Converter - 079-5003

from

$185.99
Product Features:
  • Product might not be available in all states due to local laws.
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1978 Pontiac LeMans Exhaust Parts

You count on your 1978 Pontiac LeMans 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 53 Exhaust Parts ranging in price from $1.99 to $617.99, you’re sure to find everything you need for your 1978 Pontiac LeMans.

Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 11 different brands like Felpro, Dorman, and Walker. 1978 Pontiac LeMans Exhaust Parts start as low as $1.99!

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 261 extensive product reviews on 1978 Pontiac LeMans Exhaust Parts. Some of the top-rated Exhaust Parts products we carry are Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed with 4.6 stars and Exhaust Pipe Flange Gasket with 5.0 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 1978 Pontiac LeMans below to get started!

Top-Rated Exhaust Parts Brands For Your 1978 Pontiac LeMans

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 1978 Pontiac LeMans running right for years to come. In our inventory you’ll find brands like Felpro, Dorman, Walker, and even more.

Popular Flowtech Exhaust Parts

You’ll find popular Flowtech brand products across Exhaust Gaskets. All are waiting to get your 1978 Pontiac LeMans back on the road. Some of the top-rated Flowtech products in these categories are:
Real-Seal; Header Gasket
from $77.99
(1)
Real-Seal; Header Gasket
Exhaust Manifold Gaskets

Top-Rated Felpro Exhaust Parts


If Felpro are what you’re looking for, our inventory holds plenty. We stock Felpro brand Exhaust Parts for your 1978 Pontiac LeMans, and some of our most reviewed Felpro parts include:
Exhaust Manifold Gasket Set
from $19.99
(21)
Exhaust Manifold Gasket Set
Exhaust Manifold Gaskets
Exhaust Pipe Flange Gasket
from $2.99
(15)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets
Exhaust Pipe Flange Gasket
from $5.29
(10)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets

FAQs for 1978 Pontiac LeMans Exhaust Parts

What are the most purchased Exhaust Parts for the 1978 Pontiac LeMans?

Out of 53 Exhaust Parts for the 1978 Pontiac LeMans, the most popular in our inventory are:
Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In.
from $11.29
(10)
Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In.
Exhaust Hangers and Hardware
Aluminum Exhaust Gasket
from $40.99
This product is not rated
Aluminum Exhaust Gasket
Exhaust Manifold Gaskets
Sound Solution Muffler
from $58.99
(21)
Sound Solution Muffler
Mufflers

What are the top-rated 1978 Pontiac LeMans Exhaust Parts?

Top-rated Exhaust Parts for your 1978 Pontiac LeMans based on customer reviews/ratings are:
Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed
from $171.99
(13)
Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed
“Great performance, adds power & quality!”
Exhaust Pipe Flange Gasket
from $4.29
(2)
Exhaust Pipe Flange Gasket
“Great fit & good product”
Exhaust Manifold Stud Kit - 3/8-16 x 3-1/4 In.
from $6.49
(2)
Exhaust Manifold Stud Kit – 3/8-16 x 3-1/4 In.
“Good price”