1974 Pontiac LeMans Exhaust Parts

Essential 1974 Pontiac LeMans Exhaust Parts

Walker – SoundFX Muffler, Universal/ Fabrication Needed (Part No.18107)

SoundFX Muffler, Universal/ Fabrication Needed

from

$139.99
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:
  • 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
See More

Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.8042441)

40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound

from

$119.99
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you’re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
See More

Walker – Sound Solution Muffler (Part No.18649)

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.
See More

Walker – Tail Pipe Aluminized 58" (Part No.46477)

Tail Pipe Aluminized 58"

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:
  • RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
  • EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
  • OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information
See More

Flowmaster Inc. – Prebent Tailpipes 409S – 2.50 in. Rear Exit – Pair (Part No.815802)

Prebent Tailpipes 409S - 2.50 in. Rear Exit - Pair

from

$305.99
Flowmaster’s pre-bent tailpipes are made with 16 gauge 409S stainless steel mandrel-bent tubing and are designed to fit your vehicle perfectly with all the quality and performance that you would expect from a Flowmaster product.
See More

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
See More

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
See More

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
See More

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
See More

Walker – Donut Exhaust Pipe Flange Gasket: Fiber with Steel, Heat Resistant, Premium Materials (Part No.31400)

Donut Exhaust Pipe Flange Gasket: Fiber with Steel, Heat Resistant, Premium Materials

from

$3.29
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
See More

Mahle – Cat. Converter Gaske (Part No.H4002222598MAH)

Cat. Converter Gaske

from

$7.19
Cat. Converter Gaske

Dorman – Help – Manifold Bolt and Spring Kit – 3/8-16 x 2-13/16 In. (Part No.03134)

Manifold Bolt and Spring Kit - 3/8-16 x 2-13/16 In.

from

$9.99
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:
  • New hardware helps fix exhaust leaks
  • Depending on the application, kits include hardware to securely attach the manifold to the exhaust system
  • Also available separately (where applicable)
  • Hardened steel construction for long-lasting durability
See More

Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310004)

Vibe Lock Header Bolt Kit

from

$89.99
Vibe Lock Header Bolt Kit

Walker – Exhaust 35574 Catalytic Converter Air Tube (Part No.35574)

Exhaust 35574 Catalytic Converter Air Tube

from

$87.99
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
  • Constructed from durable and robust material for long life
  • Universal fit for installation flexibility
  • Designed to work seamlessly with OE and Walker aftermarket replacement parts
  • New Walker® accessories help to ensure effective exhaust repairs
See More

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)

For Use With Chevy Small Block, 3/8"-16, 0.75"L, Hex Head, Natural Ss, Set Of 12

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:
  • 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
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

Felpro – Exhaust Pipe Flange Gasket (Part No.60986)

Exhaust Pipe Flange Gasket

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:
  • 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

BRExhaust – Exhaust Flange Gasket (Part No.256-800)

Exhaust Flange Gasket

from

$4.29
BRExhaust replacement exhaust brackets make repairs easy. Each gasket has been engineered to according to OE standards to ensure a gas-tight connection and precise fitment. Utilizing the OE specifications also makes installation easy.

Product Features:
  • Designed to facilitate hassle-free exhaust repair
  • Precise fitment
  • Manufactured from quality materials to ensure maximum durability
  • Designed for a leak free connection
  • OE structure and design
  • Built to OEM specifications
  • Secure gas-tight connection
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.60240)

Exhaust Pipe Flange Gasket

from

$13.29
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

Hooker Headers – Competition Header (Part No.4901-1HKR)

Competition Header

from

$679.99
LS1 full length engine swap header fits 66-72 Chevelle, El Camino, Monte Carlo and Sprint applications. Hooker has a complete line of engine swap headers, front frame mounts and transmission mounts for popular engine swaps. Available for Chevy, Chrysler and Ford small block and big block engines. Hooker swap headers and mounts are designed to provide an exact fit when used together. Hooker swap headers add the extra horsepower and torque the serious enthusiast demands. Hooker Headers are the best single improvement you can make.

Product Features:
  • High Performance
  • Affordable
  • Durable 16 Gauge Material
  • Welds Easier
  • Lasts Longer
  • Heat Cured
  • High Heat Resistant
See More

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-276)

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
See More

Hooker Headers – ExhstHdr (Part No.2109-1HKR)

ExhstHdr

from

$966.99
ExhstHdr

Patriot Exhaust – H8301 1 5/8" Full Length Header Pontiac Firebird 350-455 70-79 Raw (Part No.H8301)

H8301 1 5/8" Full Length Header Pontiac Firebird 350-455 70-79 Raw

from

$374.99
Full length and fenderwell headers provide the ultimate performance for streetrodders with high performance engines. These header styles have longer primarytubes, which help produce more horsepower and torque than Tight Tucks. Chassisheaders fit inside

Product Features:
  • Patriot Exhaust H8301 1 5/8″ Full Length Header Pontiac Firebird 350-455 70-79 Raw
  • Full length headers are typically used for higher RPM horsepower, but can also increase the mid range torque in applications were there is room to fit a long tube design.
See More

Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66042)

Seal-4-Good Header Flange Gasket

from

$48.99
Seal-4-Good Header Flange Gasket

Edelbrock – Exhaust Manifold Gasket Set for Pontiac (Part No.7281)

Exhaust Manifold Gasket Set for Pontiac

from

$30.99
Product Features:
  • Designed To Match Port Openings Of Cylinder Heads
  • Excellent Free-Flowing Seal
See More

Hooker Headers – Super Competition Header Gasket (Part No.10808HKR)

Super Competition Header Gasket

from

$19.99
Hooker’s precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This OEM quality gasket is constructed of a thick ,.060 inch, high temperature, non-asbestos fiber laminate with a perforated steel core, which provides a superior grip and adhesion. This construction also contributes to exact fit compliance between the cylinder head and header flange, offering excellent sealing properties during extreme temperature and operating conditions.

Product Features:
  • Tear Resistant
  • Precisely Cut To Match Header
See More

Taylor Gaskets – Seal-4-Good Header Flange Gasket (Part No.66041)

Seal-4-Good Header Flange Gasket

from

$48.99
Seal-4-Good Header Flange Gasket

Felpro – Exhaust Manifold Gasket Set (Part No.MS 90324)

Exhaust Manifold Gasket Set

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:
  • 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
See More

1974 Pontiac LeMans Exhaust Parts

You count on your 1974 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 30 Exhaust Parts ranging in price from $1.99 to $679.99, you’re sure to find everything you need for your 1974 Pontiac LeMans.

Brands matter. If you want to shop a specific Exhaust Parts brand, we stock 10 different brands like Felpro, Walker, and Hooker Headers. 1974 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 1,231 extensive product reviews on 1974 Pontiac LeMans Exhaust Parts. Some of the top-rated Exhaust Parts products we carry are Sound Solution Muffler with 3.3 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 1974 Pontiac LeMans below to get started!

Top-Rated Exhaust Parts Brands For Your 1974 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 1974 Pontiac LeMans running right for years to come. In our inventory you’ll find brands like Felpro, Walker, Hooker Headers, and even more.

Popular Flowtech Exhaust Parts

You’ll find popular Flowtech brand products across Exhaust Gaskets. All are waiting to get your 1974 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 1974 Pontiac LeMans, and some of our most reviewed Felpro parts include:
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 1974 Pontiac LeMans Exhaust Parts

What are the most purchased Exhaust Parts for the 1974 Pontiac LeMans?

Out of 30 Exhaust Parts for the 1974 Pontiac LeMans, the most popular in our inventory are:
Sound Solution Muffler
from $58.99
(21)
Sound Solution Muffler
Mufflers
SoundFX Muffler, Universal/ Fabrication Needed
from $85.99
This product is not rated
SoundFX Muffler, Universal/ Fabrication Needed
Mufflers
Exhaust Manifold Gasket Set
from $16.29
This product is not rated
Exhaust Manifold Gasket Set
Exhaust Manifold Gaskets

What are the top-rated 1974 Pontiac LeMans Exhaust Parts?

Top-rated Exhaust Parts for your 1974 Pontiac LeMans based on customer reviews/ratings are:
Sound Solution Muffler
from $64.99
(3)
Sound Solution Muffler
“Have been using Walker products on my cars since 1968. Continually high quality, good fit, good value.”