1973 Pontiac LeMans Exhaust Parts

Essential Exhaust Parts for 1973 Pontiac LeMans

Flowmaster Inc. – Prebent Tailpipes – 2.50 in. Rear Exit – Pair (Part No.15802)

Prebent Tailpipes - 2.50 in. Rear Exit - Pair

from

$211.99
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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Flowmaster Inc. – Prebent Tailpipes 409S – 2.50 in. Rear Exit – Pair (Part No.815802)

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

from

$287.99
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.
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Felpro – Exhaust Pipe Flange Gasket (Part No.8194)

Exhaust Pipe Flange Gasket

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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Felpro – Exhaust Pipe Flange Gasket (Part No.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
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Walker – Exhaust 35595 Exhaust Pipe Spout (Part No.35595)

Exhaust 35595 Exhaust Pipe Spout

from

$26.49
Made from quality material for durability, Walker exhaust spout pipes are available in a variety of styles and sizes for direct-fit or universal application. 

Product Features:
  • RESISTS CORROSION — Durable aluminized steel for corrosion resistance and performance 
  • SECURE FIT — Burr-free construction for proper fitment 
  • BETTER TOGETHER — Use quality Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade 
  • EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
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Walker – Exhaust Tail Pipe 2" Inlet (OD) 2" Outlet (OD) (Part No.46477)

Exhaust Tail Pipe 2" Inlet (OD) 2" Outlet (OD)

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
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Walker – Exhaust Tail Pipe 2" Inlet (OD) 2" Outlet (OD) (Part No.43770)

Exhaust Tail Pipe 2" Inlet (OD) 2" Outlet (OD)

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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Walker – Sound Solution Muffler (Part No.18601)

Sound Solution Muffler

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:
  • 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
See More

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.22105)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

from

$105.99
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 – 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.
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Walker – Bracket Bolt On Length 1.625 (Part No.35181)

Bracket Bolt On Length 1.625

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:
  • 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
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Walker – Exhaust Clamp (Part No.35337)

Exhaust Clamp

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 – Exhaust Clamp (Part No.35336)

Exhaust Clamp

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

Flowtech – Ceramic Header (Part No.31170FLT)

Ceramic Header

from

$499.99


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

Competition Header

from

$350.99
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
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Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-202)

Direct Fit Exhaust Manifold: Without Heat Shield

from

$145.99
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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Mr. Gasket – Exhsthdrbolt (Part No.2230G)

Exhsthdrbolt

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

Vibe Lock Header Bolt Kit

from

$89.99
Vibe Lock Header Bolt Kit

Dorman – Help – Manifold Bolt and Spring Kit 3/8-16X1-3/4 In. (Part No.03137)

Manifold Bolt and Spring Kit 3/8-16X1-3/4 In.

from

$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:
  • 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
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Felpro – Exhaust Manifold Gasket Set (Part No.MS 90508)

Exhaust Manifold Gasket Set

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

Super Competition Header Gasket

from

$23.29
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
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Mr. Gasket – Copper Seal: Exhaust Gasket Set (Part No.7152G)

Copper Seal: Exhaust Gasket Set

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:
  • 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
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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 sizes for a 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 accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Walker – Exhaust Pipe Flange Gasket (Part No.31413)

Exhaust Pipe Flange Gasket

from

$10.99
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 sizes for a 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 accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

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

Terminator; Exhaust Tips

from

$85.99


Product Features:
  • Show Quality Chrome Platinum
  • Durable Black Finish
  • Can Be Welded Or Clamped
  • Complete The System
  • Glass-Packed Resonators
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Upgrade your 1973 Pontiac LeMans with Top-Quality Exhaust Parts

When it comes to maintaining or upgrading your 1973 Pontiac 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 LeMans functioning at its best. At Advance Auto Parts, we offer a wide selection of 38 Exhaust Parts for the 1973 Pontiac LeMans, designed to meet your needs without breaking the bank. From Exhaust Muffler 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 1973 Pontiac LeMans at great prices. Our Exhaust Parts inventory for this model ranges from just $1.99 to $642.99, with an average price of $123.98. Our 38 Exhaust Parts in stock come from 11 trusted brands, so you’re sure to find the right part for your 1973 Pontiac 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 1973 Pontiac LeMans, we stock popular OEM and aftermarket Exhaust Parts from top names like FELPRO, Walker, Flowtech, and more. FELPRO Exhaust Parts start at just $2.99 and boast an impressive 5 stars average rating from customers. Walker and Flowtech also bring quality to the table, with Exhaust Parts available starting at $1.99, and at an average 4 stars rating. With 1,555 customer reviews and counting, our 1973 Pontiac 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 1973 Pontiac LeMans is always ready to roll. We’re committed to providing you with everything you need to keep your LeMans in top shape, all in one place. Start shopping confidently below for your 1973 Pontiac LeMans!

Best-Selling Exhaust Mufflers for 1973 Pontiac LeMans

Enhance the driving experience in your Pontiac with 7 quality Exhaust Muffler components, starting at $58.99.

Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.842446)

Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound

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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Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.942446)

Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound

from

$113.99
Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four inch case street muffler we’ve ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Walker – Sound Solution Muffler (Part No.18601)

Sound Solution Muffler

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:
  • 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
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.
See More

Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.42441)

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

from

$99.99
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 aluminized steel and fully MIG welded for maximum durability.
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Walker – SoundFX Universal Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID) (Part No.18101)

SoundFX Universal  Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID)

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:
  • 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
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Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18280)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

from

$76.99
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
See More

Most Popular 1973 Pontiac 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)

Exhaust Clamp

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 – Exhaust Clamp (Part No.35335)

Exhaust Clamp

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

Top Picks for 1973 Pontiac LeMans Exhaust Pipes

Upgrade Pontiac LeMans with top-quality Exhaust Pipes parts, including 6 OEM and aftermarket selections for your 1973 model.

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.8194)

Exhaust Pipe Flange Gasket

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:
  • 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

Flowtech – HEADER FLT BLOCK HUGGER (Part No.10010FLT)

HEADER FLT BLOCK HUGGER

from

$75.99
HEADER FLT BLOCK HUGGER

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

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

from

$287.99
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.
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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

from

$247.99
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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Flowmaster Inc. – Prebent Tailpipes – 2.50 in. Rear Exit – Pair (Part No.15802)

Prebent Tailpipes - 2.50 in. Rear Exit - Pair

from

$211.99
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.
See More

In-Demand Exhaust Manifold and Headers for 1973 Pontiac LeMans

Select from 13 premium Exhaust Manifold and Headers parts for your 1973 Pontiac LeMans, with prices ranging from $19.99 to $642.99.

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

Competition Header

from

$350.99
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

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)

For Use With Chevy Small Block, 3/8"-16, 1"L, Hex Head, Natural, Ss, Set Of 12

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:
  • 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
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ARP Auto Racing – For Use With Chevy Small Block, 3/8 – 16" Thread Size, .75" L, Natural, Set Of 12 (Part No.400-1201)

For Use With Chevy Small Block, 3/8 - 16" Thread Size, .75" L, Natural, Set Of 12

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:
  • 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
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Mr. Gasket – Exhsthdrbolt (Part No.2230G)

Exhsthdrbolt

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:
  • 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
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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.
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ARP Auto Racing – 0.750" L, Hex Style Head Type, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1101)

0.750" L, Hex Style Head Type, Black Oxide, Black, Chrome Moly, 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
  • Set of 12
  • 0.75″ Overall Length
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Flowtech – Ceramic Header (Part No.31170FLT)

Ceramic Header

from

$499.99


Product 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
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Hooker Headers – ExhstHdr (Part No.2301HKR)

ExhstHdr

from

$642.99
ExhstHdr

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

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

from

$619.99
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 1 5/8″ Full Length Header Pontiac Firebird 350-455 70-79 Coated
  • 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.
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Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310004)

Vibe Lock Header Bolt Kit

from

$89.99
Vibe Lock Header Bolt Kit

Taylor Gaskets – Vibe-Lock Bolt (Part No.310016)

Vibe-Lock Bolt

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)

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

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:
  • 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
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ARP Auto Racing – For Use With Chevy Small Block, Black Oxide, Black, Chrome Moly, Set Of 12 (Part No.100-1201)

For Use With Chevy Small Block, Black Oxide, Black, Chrome Moly, Set Of 12

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:
  • 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
See More

Most Sold 1973 Pontiac LeMans Catalytic Converters

Explore our best-selling Pontiac parts for the 1973 LeMans among 1 OEM and aftermarket options starting from $3.29.

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 sizes for a 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 accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Top-Rated Exhaust Parts Brands For Your 1973 Pontiac LeMans

Shop for the best-rated brands offering Exhaust Parts and other products for your 1973 Pontiac LeMans. Below you’ll find some of our best rated Exhaust Parts from FELPRO, Walker, and Flowtech, and more. Exhaust Parts from these brands that fit a 1973 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 1973 Pontiac LeMans Exhaust Parts

When it comes to maintaining or upgrading your 1973 Pontiac 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 1973 Pontiac LeMans. With over 3 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 $8.19. Plus, with over 25 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.

Exhaust Pipe Flange Gasket
from
$5.29

(10)

Exhaust Pipe Flange Gasket

“These items fit the application perfectly and sealed the exhaust pipe flange to manifold correctly.”

Exhaust Pipe Flange Gasket
from
$2.99

(15)

Exhaust Pipe Flange Gasket

“Work great the fit was correct and the part seems reliable.”

Exhaust Manifold Gasket Set
from
$16.29
This product is not rated

Exhaust Manifold Gasket Set

“”

Popular Walker 1973 Pontiac LeMans Exhaust Parts

Walker auto parts is one of the highest quality Exhaust Part brands in the market. Any 1973 Pontiac LeMans owner should feel confident when installing genuine Walker parts in their vehicle. To ensure the best fit and performance for your 1973 LeMans, Advance Auto Parts carries a full inventory of 7 Walker Exhaust Parts. Plus you will be keeping your Pontiac in peak condition while saving money because prices on these Walker Exhaust Parts range from $1.99 to $85.99, plus, with more than 24 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.

SoundFX Universal  Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID)
from
$85.99
This product is not rated

SoundFX Universal Exhaust Muffler 2" Inlet (ID) 2" Outlet (ID)

“”

SoundFX Muffler, Direct Replacement, No Fabrication Needed
from
$76.99
This product is not rated

SoundFX Muffler, Direct Replacement, No Fabrication Needed

“”

FAQs for 1973 Pontiac LeMans Exhaust Parts

Which Exhaust Parts are best-sellers for 1973 Pontiac LeMans?

Out of 38 Exhaust Parts that fit 1973 Pontiac LeMans, the following parts are the top sellers:

What’s the price range for 1973 Pontiac LeMans Exhaust Parts?

Exhaust Part prices for the 1973 Pontiac 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 1973 Pontiac LeMans?

The average price for Exhaust Parts for the 1973 Pontiac LeMans is $123.98. 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 LeMans model years?

Yes, we currently carry Exhaust Parts for 24 model years of Pontiac LeMans between 1963 and 1993. Exhaust Parts are bought most frequently for the following model years: 1993, 1992, 1991, 1990, 1989, 1988, 1981, 1980, and 1979.

What are the cheapest Exhaust Parts for my 1973 Pontiac LeMans?

The cheapest 1973 Pontiac LeMans Exhaust Parts we carry in stock are:

What are the top-rated Exhaust Parts that fit the 1973 Pontiac LeMans?

Out of 1,555 reviews by customers, our 1973 Pontiac LeMans Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 1973 Pontiac LeMans and their top-rated products:

What types of Exhaust Parts do you sell for my 1973 Pontiac LeMans?

As of 2/5/25, these are some of the most in-demand types of Exhaust Parts for a 1973 Pontiac LeMans:

Can I get help with 1973 Pontiac 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 LeMans Exhaust Parts?

Advance Auto Parts keeps returns simple. For new Pontiac LeMans Exhaust Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.