1974 Pontiac LeMans Performance Exhaust Products

Essential 1974 Pontiac LeMans Performance Exhaust Products

Dynomax – Tail Pipe (Part No.53813)

Tail Pipe

from

$42.99
Dynomax® Performance Exhaust, a leading performance exhaust brand built on over 20 years of market leadership. Each and every Dynomax® product is backed by engineers who know what you want and expect out of a performance exhaust product.

Product Features:
  • Mandrel bends improve flow capacity over traditional bends
  • Combine state-of-the-art engineering with quality material to provide exceptional strength and durability
  • Dynomax® premium pre-bent pipe is manufactured with precision benders, and then fixture checked, insuring every part is a perfect fit, providing quick and easy installation.
  • Pipe diameters are increased from OEM sizes to improve flow and increase power
  • Spot welded bushings provide stability and system support
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FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1402)

Exhaust Manifold Gasket Set

from

$27.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Performance exhaust header gasket consisting of a high-density fiber facing material attached to both sides of a perforated steel core.
  • Resists blowout and burnout from high-temperature exhaust and is far stronger than basic paper gaskets.
  • Anti-stick coating permits motion without damaging the gasket and makes it easier to remove the gasket for future engine service.
  • Slotted bolt holes allow for easier header installation.
  • Not intended for use in emission controlled vehicles.
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Mr. Gasket – Performance Exhaust Gasket Set for Enhanced Sealing and Durability (Part No.150B)

Performance Exhaust Gasket Set for Enhanced Sealing and Durability

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$20.99
Mr. Gasket Performance exhaust gasket material is a heavy duty material, .062 inch thick, consisting of an acrylic binder system to resist high temperature. This material is made for sealing exhaust applications. Provides excellent sealing and durability.

Product Features:
  • Manufactured from high-temperature acrylic blend exhaust material
  • Provides excellent sealing and durability
  • Can be trimmed if necessary for modified port applications
  • For OE replacement, high performance street, drag race and oval track use
  • Resists Deteriorating
  • Provides Excellent Torque Retention
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Mr. Gasket – Copper Seal; Exhaust Gasket Set (Part No.7150)

Copper Seal; Exhaust Gasket Set

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$59.99
Copperseal exhaust gaskets are unique gaskets made from .043 inch solid copper. They feature an embossed O-ring design for a leak proof seal. They won’t shrink, deteriorate or blowout. Header bolts stay tight. Ideal for motor homes and towing.

Product Features:
  • Will Not Shrink/Deteriorate
  • Creates A Tight Leak Proof Seal
  • Helps Lower Under hood Temps
  • Seals Irregular Surfaces
  • Seals Slightly Damaged Surface
  • Ideal For Tow Vehicles
  • Ideal For Motor Homes
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Edelbrock – Exhaust Manifold Gasket Set for Pontiac (Part No.7281)

Exhaust Manifold Gasket Set for Pontiac

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$30.99
Product Features:
  • Designed To Match Port Openings Of Cylinder Heads
  • Excellent Free-Flowing Seal
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Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5901)

Ultra Seal: Exhaust Gasket Set

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$31.99
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.

Product Features:
  • Withstands Intense Exhaust Heat
  • Graphite-Impregnated Facing
  • Steel Expanded Metal Core
  • Superior Tensile Strength
  • Resists Deteriorating
  • Anti-stick Properties
  • Easy Removal For Disassembly
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Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5908)

Ultra Seal: Exhaust Gasket Set

from

$45.99
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.

Product Features:
  • Manufactured from high-temperature steel core/graphite faced exhaust material.
  • Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
  • Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
  • Conforms to and seals minor surface irregularities
  • Can be trimmed if necessary for modified port applications
  • For OE replacement, high performance street, drag race and oval track use
  • Anti-Stick Properties
  • Easy Removal For Disassembly
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Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5920)

Ultra Seal: Exhaust Gasket Set

from

$45.99
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.

Product Features:
  • Manufactured from high-temperature steel core/graphite faced exhaust material
  • Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
  • Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
  • Conforms to and seals minor surface irregularities
  • Can be trimmed if necessary for modified port applications
  • For OE replacement, high performance street, drag race and oval track use
  • Anti-Stick Properties
  • Easy Removal For Disassembly
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Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5921)

Ultra Seal: Exhaust Gasket Set

from

$38.59
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.

Product Features:
  • Has A Steel Core With Graphite Facing
  • Graphite Facing Has Excellent Thermo-conductivity
  • High Recovery Mat Allows For Better Seal Retention
  • Can Be Trimmed For Port Modifications
  • Expanded Steel Core For Stability
  • These Gaskets Have Slotted End Holes
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FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1436)

Exhaust Manifold Gasket Set

from

$38.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Performance exhaust header gasket consisting of a high-density fiber facing material attached to both sides of a perforated steel core.
  • Resists blowout and burnout from high-temperature exhaust and is far stronger than basic paper gaskets.
  • Anti-stick coating permits motion without damaging the gasket and makes it easier to remove the gasket for future engine service.
  • Slotted bolt holes allow for easier header installation.
  • Not intended for use in emission controlled vehicles.
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Flowtech – Standard Header (Part No.11170FLT)

Standard Header

from

$280.99


Product Features:
  • Fuel Economy From The Engine
  • Leak Test For Max Performance
  • Mandrel-Formed Power Plenum
  • Leakproof O-Ringed Port Seals
  • Include All Mounting Hardware
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Hooker Headers – Aero Chamber Muffler (Part No.21501HKR)

Aero Chamber Muffler

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$120.99
The polished stainless steel Aero Chamber is designed to do much more than simply muffle exhaust noise. The Aero Chamber Muffler produces a deep throaty powerful sound that will not change with time. The Hooker Aero Chamber uses a unique step principal, similar to that which is currently popular in racing header design. The aerodynamically designed chambers flow 23 percent better and produce more horsepower and torque than the most popular high performance brand. The stainless steel construction assures good looks, corrosion protection ang long life.

Product Features:
  • All Aluminized/Stainless Steel
  • Deep Throaty Powerful Sound
  • 23 percent More Flow Than Others
  • More Horsepower And Torque
  • Sound Absorption Chamber
  • Stepped Acceleration Chamber
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Flowmaster Inc. – Header 409S – 4-1 One piece – 3.00 in. Ball and Socket Flange Outlet – Pair (Part No.814116)

Header 409S - 4-1 One piece - 3.00 in. Ball and Socket Flange Outlet - Pair

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$999.99
Flowmaster’s Scavenger Series Elite headers feature heavy duty 3/8 in. laser cut flanges, 16 gauge stainless steel primary pipes and gasket free ball flange exhaust connectors. Designed to compliment installations of modern GM LS-1 and LS-6 engines into popular Buick, Chevy, Oldsmobile and Pontiac muscle cars, these full length headers provide an exact fit and increased performance. Please note these headers are not emissions legal and are designed for off-road use only.

Product Features:
  • Stainless Steel Construction
  • Dyno Tuned For Maximum Performance
  • Durable Ceramic Coating
  • Gasket Free Ball Style Collectors
  • Made in the USA
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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

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$123.99
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.
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Flowmaster Inc. – 50 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Moderate Sound (Part No.942451)

50 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Moderate Sound

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$154.99
The three chamber design utilizes Flowmaster’s patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 50 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Moderate Sound (Part No.842451)

50 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Moderate Sound

from

$175.99
The three chamber design utilizes Flowmaster’s patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. 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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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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1974 Pontiac LeMans Performance Exhaust Products

Maybe you’re in the middle of a full rebuild of that 1974 Pontiac LeMans. Maybe you just need a couple of Performance Exhaust Products. Either way, Advance Auto Parts has 15 different Performance Exhaust Products in our inventory ranging from $27.49 to $280.99. That means you can find the exact parts or products you need to keep that 1974 Pontiac LeMans running smoothly.

Performance Exhaust Products are only as good as their brand. We stock 6 different brands to make sure you have plenty of trusted parts to choose from for your 1974 Pontiac LeMans. Flowmaster Inc., Mr. Gasket, and Flowtech are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Performance Exhaust Products for your 1974 Pontiac LeMans, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 250 reviews in this category, some of the top rated parts include Standard Header with 3.0 stars.

So if you’re in the market for aftermarket Performance Exhaust Products to keep your 1974 Pontiac LeMans rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Performance Exhaust Products Brands To Make Your 1974 Pontiac LeMans Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1974 Pontiac LeMans demands trusted brand parts and products to keep it running. Many trusted brands of Performance Exhaust Products make up Advance Auto Parts’ inventory, and all are ready to help make your LeMans the best it can be. Be sure to browse some of our top Performance Exhaust Products brands and parts.

Popular Flowmaster Inc. Performance Exhaust Products

We carry Flowmaster Inc. parts in our stock across Performance Exhaust Mufflers categories, plus more. For a 1974 Pontiac LeMans, our most popular Flowmaster Inc. Performance Exhaust Products include:

FAQs for 1974 Pontiac LeMans Performance Exhaust Products

What are the most purchased Performance Exhaust Products for the 1974 Pontiac LeMans?

Out of 15 Performance Exhaust Products for the 1974 Pontiac LeMans, the most popular in our inventory are:
40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound
from $123.99
This product is not rated
40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound
Performance Exhaust Mufflers
Exhaust Gasket Set
from $30.99
This product is not rated
Exhaust Gasket Set
Performance Exhaust Manifold Gaskets
Real-Seal; Header Gasket
from $85.39
(1)
Real-Seal; Header Gasket
Performance Exhaust Manifold Gaskets

What are the top-rated 1974 Pontiac LeMans Performance Exhaust Products?

Top-rated Performance Exhaust Products for your 1974 Pontiac LeMans based on customer reviews/ratings are:
Standard Header
from $280.99
(1)
Standard Header
“Sold as exact fit, but the passenger side header hits the shifter. This product is not an exact fit! I had to heat up and bend one of the header pipes”