1978 Pontiac Grand Lemans Exhaust Parts
Find Your Specific 1978 Pontiac Grand Lemans Exhaust Parts
Below you will find various in-demand Pontiac Exhaust Parts, components and accessories for your 1978 Grand Lemans. Advance Auto Parts has popular Grand Lemans parts like Exhaust Hangers, Exhaust Fittings, Exhaust Mufflers and more. You’ll also find aftermarket and OEM Exhaust Parts for other Grand Lemans model years including
1975,
1976,
1977,
1979,
1980,
1981 and more. Select a category of 1978 Pontiac Grand Lemans Exhaust Parts below and start saving instantly.
Popular 1978 Pontiac Grand Lemans Exhaust Parts Categories
Essential Exhaust Parts for 1978 Pontiac Grand Lemans
Walker – Exhaust Clamp (Part No.35337)
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:
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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
Walker – Bracket Bolt On Length 1.625 (Part No.35181)
from
$7.29
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:
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Product Features:
- Offered in a variety of styles and sizes for your installation needs
- New Walker accessories help to ensure effective exhaust repairs
- Constructed from durable and robust material for long life
- Designed to work seamlessly with OE and Walker aftermarket replacement parts
- Walker supplies all of the accessories you need to do the complete exhaust job
Hooker Headers – ExhstHdr (Part No.2301HKR)
from
$642.99
ExhstHdr
Flowtech – Ceramic Header (Part No.31170FLT)
from
$499.99Product Features:
- Fuel Economy From The Engine
- Leak Test For Max Performance
- Ceramic Headers
- Rust And Corrosion Resistance
- Mandrel-Formed Power Plenum
- Leakproof O-Ringed Port Seals
- Include All Mounting Hardware
Felpro – Exhaust Manifold Gasket Set (Part No.MS 90021)
from
$11.49
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:
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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
Remflex – Set Of 2, 1-1/8" X 1.75"D-Shaped Center Port Size/ 1-3/8" X 13/16" Oval End Port (Part No.12-001)
from
$38.49
Remflex unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000 degrees – day after day, week after week, year after year. Now, they are bringing this technology to enthusiasts of all kinds to eliminate exhaust leaks for good Whether you have an old pick-up that needs a manifold gasket, or a race car with custom-built headers, you can be assured that Remflex exhaust gaskets will work properly the first time, every time.
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Product Features:
- 100 Percent Flexible Graphite Construction
- Designed To Withstand Clamping Force And Incredible Heat
- Eliminate Exhaust Leaks
- No Re-Torquing Necessary, Remflex Exhaust Gaskets Rebound 30 Percent, Creating An Optimum Seal That Eliminates The Need To Re-Torque
Mr. Gasket – Copper Seal: Exhaust Gasket Set (Part No.7152G)
from
$60.29
Mr. Gasket CopperSEAL Header Gaskets are a high quality copper gasket that performs extremely well and are reusable. We recommend this in all racing and high performance applications. They are for stock heads unless indicated, and work well in high heat and turbocharged applications.
Product Features:
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Product Features:
- Manufactured from ¿Dead Soft¿ (solid) .043″ thick copper material
- Manufactured from ┐Dead Soft┐ (solid) .043″ thick copper material
- .051″ embossment around each exhaust port to seal irregular surfaces. Total gasket thickness .094″
- Provides excellent sealing and durability
- Conforms to and seals minor surface irregularities
- For high performance street, drag race, oval track and turbocharged (extreme heat) applications
Flowtech – Terminator; Exhaust Tips (Part No.59905FLT)
from
$85.99Product Features:
- Show Quality Chrome Platinum
- Durable Black Finish
- Can Be Welded Or Clamped
- Complete The System
- Glass-Packed Resonators
Flowtech – HEADER FLT BLOCK HUGGER (Part No.10010FLT)
from
$75.99
HEADER FLT BLOCK HUGGER
Walker – Exhaust Tail Pipe 2" Inlet (OD) 2" Outlet (OD) (Part No.43770)
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:
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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
Walker – Exhaust Tail Pipe 2" Inlet (OD) 2" Outlet (OD) (Part No.46477)
from
$74.99
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:
See More
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
Dorman – Help – Exhaust Flange Spring – 0.50 In. ID x .75 In. OD x 1.13 In. Length (Part No.03080)
from
$8.29
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:
See More
Product Features:
- Direct replacement – this exhaust spring matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this spring is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Double Ended Stud – 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in (Part No.29201)
from
$9.99
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:
See More
Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Stud Kit – 3/8-16 x 2-1/2 In. (Part No.03112)
from
$6.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
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Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Felpro – Exhaust Pipe Flange Gasket (Part No.8194)
from
$2.99
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:
See More
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
Felpro – Exhaust Pipe Flange Gasket (Part No.9587)
from
$2.99
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:
See More
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
Felpro – Exhaust Pipe Flange Gasket (Part No.60985)
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:
See More
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
ARP Auto Racing – 0.750" L, Hex Style Head Type, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1101)
from
$24.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.
Product Features:
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Product Features:
- Material Is Not Affected By Corrosion Or Extreme Heat
- The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
- Substantially Stronger Than Grade 8 Hardware
- Nominally Rated At 170,000 Psi Tensile Strength
- Set of 12
- 0.75″ Overall Length
ARP Auto Racing – For Use With Chevy Small Block, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1201)
from
$19.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.
Product Features:
See More
Product Features:
- Material Is Not Affected By Corrosion Or Extreme Heat
- The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
- Substantially Stronger Than Grade 8 Hardware
- Nominally Rated At 170,000 PSI Tensile Strength
- Set of 12
- 0.75″ Overall Length
Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310004)
from
$89.99
Vibe Lock Header Bolt Kit
Walker – CalCat Universal Converter (Part No.80828)
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:
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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
Walker – Catalytic Converter- EPA Standard, Direct Replacement, No Fabrication Needed (Part No.15032)
from
$171.99
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:
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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
Walker – CATALYTIC CONVERTER (Part No.81328)
from
$396.98
CATALYTIC CONVERTER
Walker – CATALYTIC CONVERTER (Part No.81322)
from
$445.22
CATALYTIC CONVERTER
Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.842446)
from
$126.99
Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we’ve ever built in a four inch case. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
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Walker – Sound Solution Muffler (Part No.18601)
from
$58.99
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.
Product Features:
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Product Features:
- Aluminized steel construction for corrosion resistance and durability
- Mechanical interior joints for durability
- Spun-locked heads for rupture resistance
- Tube-and-partition style interior design
- Universal mufflers may require modifications to complete installation
- Spot welded bushings provide stability and system support
- Some mufflers available with reinforced bracketed heads
Walker – Sound Solution Muffler (Part No.18649)
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.
See More
Walker – Sound Solution Muffler (Part No.18693)
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.
See More
Upgrade your 1978 Pontiac Grand Lemans with Top-Quality Exhaust Parts
When it comes to maintaining or upgrading your 1978 Pontiac Grand Lemans, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Pontiac or enhancing its overall performance, Exhaust Parts are key to keeping your Grand Lemans functioning at its best. At Advance Auto Parts, we offer a wide selection of 47 Exhaust Parts for the 1978 Pontiac Grand Lemans, designed to meet your needs without breaking the bank.
From
Exhaust Hanger
replacements to
Exhaust Fittings
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Exhaust Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Exhaust Parts for your 1978 Pontiac Grand Lemans at great prices.
Our Exhaust Parts inventory for this model
ranges from just $1.99 to $642.99, with
an average price of $73.80.
Our 47 Exhaust Parts in stock come from 9 trusted brands, so you’re sure to find the right part for your 1978 Pontiac Grand Lemans without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1978 Pontiac Grand Lemans, we stock popular OEM and aftermarket Exhaust Parts from top names
like FELPRO, Dorman, Walker, and more.
FELPRO Exhaust Parts
start at just $2.99 and boast an impressive 5 stars average rating from customers.
Dorman and Walker also bring quality to the table, with Exhaust Parts available starting at $1.99, and at an average 4 stars rating.
With 285 customer reviews and counting, our 1978 Pontiac Grand Lemans Exhaust Parts have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Exhaust Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 1978 Pontiac Grand Lemans is always ready to roll. We’re committed to providing you with everything you need to keep your Grand Lemans in top shape, all in one place.
Start shopping confidently below for your 1978 Pontiac Grand Lemans!
Best-Selling Exhaust Hangers for 1978 Pontiac Grand Lemans
Enhance the driving experience in your Pontiac with 6 quality Exhaust Hanger components, starting at $6.49.
Dorman – Double Ended Stud – 3/16-16 x 1-5/8in and 3/8-16 x 3-1/4in (Part No.29201)
from
$9.99
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:
See More
Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In. (Part No.03147)
from
$11.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
See More
Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Manifold Stud Kit – 3/8-16 x 3-1/4 In. (Part No.03113)
from
$6.49
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
See More
Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Stud Kit – 3/8-16 x 3-5/16 In. (Part No.03106)
from
$11.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.
Product Features:
See More
Product Features:
- Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
- Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
- Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Flange Spring-0.825 OD x 1.135 ID x 1.57 And 0.5 ID X .75 x OD 1.13 In. (Part No.03084)
from
$7.99
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:
See More
Product Features:
- Direct replacement – this exhaust spring matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this spring is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Exhaust Flange Spring – 0.50 In. ID x .75 In. OD x 1.13 In. Length (Part No.03080)
from
$8.29
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:
See More
Product Features:
- Direct replacement – this exhaust spring matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this spring is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Most Popular 1978 Pontiac Grand Lemans Exhaust Fittings
Customize your Pontiac with 2 Exhaust Fittings products
like Exhaust Clamps, all
priced under $2.49.
Walker – Exhaust Clamp (Part No.35336)
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:
See More
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
Walker – Exhaust Clamp (Part No.35335)
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:
See More
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
Top Picks for 1978 Pontiac Grand Lemans Exhaust Mufflers
Upgrade Pontiac Grand Lemans with top-quality Exhaust Mufflers parts, including 3 OEM and aftermarket selections for your 1978 model.
Walker – Sound Solution Muffler (Part No.18601)
from
$58.99
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.
Product Features:
See More
Product Features:
- Aluminized steel construction for corrosion resistance and durability
- Mechanical interior joints for durability
- Spun-locked heads for rupture resistance
- Tube-and-partition style interior design
- Universal mufflers may require modifications to complete installation
- Spot welded bushings provide stability and system support
- Some mufflers available with reinforced bracketed heads
Walker – SoundFX Universal Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID) (Part No.18101)
from
$85.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX universal mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.
Product Features:
See More
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
- FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
- 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
Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18275)
from
$80.99
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:
See More
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
In-Demand Exhaust Pipes for 1978 Pontiac Grand Lemans
Select from 6 premium Exhaust Pipes parts for your 1978 Pontiac Grand Lemans, with prices ranging from $2.99 to $75.99.
Felpro – Exhaust Pipe Flange Gasket (Part No.60985)
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:
See More
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
Felpro – Exhaust Pipe Flange Gasket (Part No.60986)
from
$4.29
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:
See More
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
Felpro – Exhaust Pipe Flange Gasket (Part No.8194)
from
$2.99
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:
See More
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
Flowtech – HEADER FLT BLOCK HUGGER (Part No.10010FLT)
from
$75.99
HEADER FLT BLOCK HUGGER
Felpro – Exhaust Pipe Flange Gasket (Part No.9587)
from
$2.99
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:
See More
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
Walker – Exhaust Tail Pipe 2" Inlet (OD) 2" Outlet (OD) (Part No.43770)
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:
See More
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
Most Sold 1978 Pontiac Grand Lemans Exhaust Manifold and Headers
Explore our best-selling Pontiac parts for the 1978 Grand Lemans among 12 OEM and aftermarket options starting from $12.29.
Mr. Gasket – Header Bolt Set (Part No.2210G)
from
$41.99
Made of high quality stainless steel. These bolts will brighten up your hot rod, or improve the looks of your race car.
Product Features:
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Product Features:
- Bright Ball Burnish Finish
- Made From 304 Stainless
- Compact Hex Head Is Ideal Where Space Is Limited
- 12 Per Set
- Resist corrosion and provides a clean professional appearance
Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-197)
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:
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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
ARP Auto Racing – For Use With Chevy Small Block, 3/8"-16, 1"L, Hex Head, Natural, Ss, Set Of 12 (Part No.400-1111)
from
$40.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.
Product Features:
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Product Features:
- Material Is Not Affected By Corrosion Or Extreme Heat
- The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
- Substantially Stronger Than Grade 8 Hardware
- Nominally Rated At 170,000 Psi Tensile Strength
- 3/8″-16 Thread Size
- 1″ Underhead Length
ARP Auto Racing – For Use With Chevy Small Block, 3/8 – 16" Thread Size, .75" L, Natural, Set Of 12 (Part No.400-1201)
from
$26.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.
Product Features:
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Product Features:
- Material Is Not Affected By Corrosion Or Extreme Heat
- The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
- Substantially Stronger Than Grade 8 Hardware
- Nominally Rated At 170,000 Psi Tensile Strength
- 3/8″-16 Thread Size
- 1″ Underhead Length
Mr. Gasket – Exhsthdrbolt (Part No.2230G)
from
$47.99
Headlock&trade: Bolts eliminate the need for lock washers, Period. That’s because each Headlock&trade: Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.
Product Features:
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Product Features:
- 12 per Package
- Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started
- 410 stainless steel
- Minimum 180,000 PSI tensile strength
- 24 equally spaced clockwise teeth
ARP Auto Racing – 0.750" L, Hex Style Head Type, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1101)
from
$24.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.
Product Features:
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Product Features:
- Material Is Not Affected By Corrosion Or Extreme Heat
- The Compact 12-Point Nut Lets You Easily Slip A Socket Close To The Pipe
- Substantially Stronger Than Grade 8 Hardware
- Nominally Rated At 170,000 Psi Tensile Strength
- Set of 12
- 0.75″ Overall Length
Dorman – Help – Manifold Bolt and Spring Kit 3/8-16X1-3/4 In. (Part No.03137)
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$12.29
Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of rusted or damaged exhaust bolts and springs.
Product Features:
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Product Features:
- Ideal replacement – the manifold bolt and spring match the fit and function of the original equipment hardware, including bolt diameter, thread pitch and head type.
- Complete installation – this kit includes hardware required for securely attaching the manifold to the exhaust system
- Trustworthy construction – the kit’s bolt and spring are made of hardened steel for durable, long-lasting service life
- Quality tested – kit components have undergone extensive testing to ensure proper function and long service life
Hooker Headers – ExhstHdr (Part No.2301HKR)
from
$642.99
ExhstHdr
Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310004)
from
$89.99
Vibe Lock Header Bolt Kit
Taylor Gaskets – Vibe-Lock Bolt (Part No.310016)
from
$89.99
Vibe-Lock Bolt
ARP Auto Racing – For Use With Chevy Small Block, 3/8"-16, 0.75"L, Hex Head, Natural Ss, Set Of 12 (Part No.400-1101)
from
$26.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.
Product Features:
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Product Features:
- Material Is Not Affected By Corrosion Or Extreme Heat
- The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
- Substantially Stronger Than Grade 8 Hardware
- Nominally Rated At 170,000 PSI Tensile Strength
- 0.75″ Underhead Length
- Set of 12
ARP Auto Racing – For Use With Chevy Small Block, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1201)
from
$19.99
ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application.
Product Features:
See More
Product Features:
- Material Is Not Affected By Corrosion Or Extreme Heat
- The Compact 12 Point Nut Lets You Easily Slip A Socket Close To The Pipe
- Substantially Stronger Than Grade 8 Hardware
- Nominally Rated At 170,000 PSI Tensile Strength
- Set of 12
- 0.75″ Overall Length
Top-Rated Exhaust Parts Brands For Your 1978 Pontiac Grand Lemans
Shop for the best-rated brands offering Exhaust Parts and other products for your 1978 Pontiac Grand Lemans. Below you’ll find some of our best rated Exhaust Parts from FELPRO, Dorman, and Walker, and more. Exhaust Parts from these brands that fit a 1978 Grand Lemans start at just $1.99 and are rated as high as 5 stars. OEM and aftermarket Exhaust Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular FELPRO 1978 Pontiac Grand Lemans Exhaust Parts
When it comes to maintaining or upgrading your 1978 Pontiac Grand Lemans, using quality Exhaust Parts is essential to ensure durability and a perfect fit. FELPRO ticks all of those boxes. We offer a wide selection of FELPRO Exhaust Parts, specifically designed for the 1978 Pontiac Grand Lemans. With over 5 FELPRO brand Exhaust Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $2.99, with an average price of just $7.11. Plus, with over 48 customer reviews and an average rating of 5 stars, you can trust that our FELPRO Exhaust Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
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$5.29
$5.29
(10)
“These items fit the application perfectly and sealed the exhaust pipe flange to manifold correctly.”
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$19.99
$19.99
(21)
“Easy to install with slots for manifold bolts , just slide them in”
Popular Dorman 1978 Pontiac Grand Lemans Exhaust Parts
Dorman auto parts is one of the highest quality Exhaust Part brands in the market. Any 1978 Pontiac Grand Lemans owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 1978 Grand Lemans, Advance Auto Parts carries a full inventory of 8 Dorman Exhaust Parts. Plus you will be keeping your Pontiac in peak condition while saving money because prices on these Dorman Exhaust Parts range from $6.49 to $144.99, plus, with more than 13 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Exhaust Parts below will deliver on both quality and value.
from
$7.99
$7.99
This product is not rated
Exhaust Flange Spring-0.825 OD x 1.135 ID x 1.57 And 0.5 ID X .75 x OD 1.13 In.
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FAQs for 1978 Pontiac Grand Lemans Exhaust Parts
Which Exhaust Parts are best-sellers for 1978 Pontiac Grand Lemans?
Out of 47 Exhaust Parts that fit 1978 Pontiac Grand Lemans, the following parts are the top sellers:
- Exhaust Stud Kit 3/8-16 x 2-1/2 In. and 3/8-16 x 3-1/4 In. (9110161) – $11.29
- Sound Solution Muffler (5290457) – $58.99
- SoundFX Universal Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID) (11504326) – $85.99
What’s the price range for 1978 Pontiac Grand Lemans Exhaust Parts?
Exhaust Part prices for the 1978 Pontiac Grand Lemans start at $1.99 and go up to $642.99 for the most premium parts.
What’s the average price of a Exhaust Part for a 1978 Pontiac Grand Lemans?
The average price for Exhaust Parts for the 1978 Pontiac Grand Lemans is $73.80. Keep in mind the variety of part types within our Exhaust Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Exhaust Parts for other Pontiac Grand Lemans model years?
What are the cheapest Exhaust Parts for my 1978 Pontiac Grand Lemans?
The cheapest 1978 Pontiac Grand Lemans Exhaust Parts we carry in stock are:
- Exhaust Clamp (11012223) – $1.99
- Exhaust Clamp (11012137) – $2.49
- Exhaust Pipe Flange Gasket (5185076) – $2.99
- Exhaust Pipe Flange Gasket (5185157) – $2.99
- Exhaust Pipe Flange Gasket (5185025) – $4.29
What are the top-rated Exhaust Parts that fit the 1978 Pontiac Grand Lemans?
Out of 285 reviews by customers, our 1978 Pontiac Grand Lemans Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 1978 Pontiac Grand Lemans and their top-rated products:
- Exhaust Gaskets
- Exhaust Manifold Gasket Set (5184266) – $19.99
- Exhaust Tips
- Exhaust Manifold Gasket Set (5184266) – $19.99
What types of Exhaust Parts do you sell for my 1978 Pontiac Grand Lemans?
As of 2/5/25, these are some of the most in-demand types of Exhaust Parts for a 1978 Pontiac Grand Lemans:
Can I get help with 1978 Pontiac Grand Lemans Exhaust Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Pontiac Exhaust Parts and more.
What is your return policy for Pontiac Grand Lemans Exhaust Parts?
Advance Auto Parts keeps returns simple. For new Pontiac Grand Lemans Exhaust Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
