1968 Pontiac Firebird Performance Exhaust Products

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Keep Your 1968 Pontiac Firebird in Top Shape with Quality Performance Exhaust Products

Whether you’re repairing or upgrading your Performance Exhaust Product, using high-quality parts is key to keeping your 1968 Pontiac Firebird looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Exhaust Mufflers, Performance Exhaust Manifold Gaskets, and Performance Exhaust System Kits. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Performance Exhaust Products from Trusted Brands

Looking for a reliable Performance Exhaust Product? We’ve got you covered with options from brands you know and trust like Flowmaster Inc.. For example, Flowmaster Inc. Performance Exhaust Products start at just $101.99 with an average 4.4 star rating. With over 200 reviews and a solid 3 star average, you can shop with confidence knowing other Pontiac Firebird owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1968 Pontiac Firebird Performance Exhaust Product at Advance Auto Parts is around $278.86, with a range that starts at $20.49 and goes up to $972.99. With 20 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Gaskets, 50 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Moderate Sound, and Aero Chamber Muffler start at just $20.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Performance Exhaust Product, don’t forget to check out other key components like Performance Air Filters and Performance Fuel Systems. At Advance Auto Parts, we’re here to help you keep your 1968 Pontiac Firebird in peak condition, inside and out.

Essential 1968 Pontiac Firebird Performance Exhaust Products

Flowtech – High-Performance Headers (Part No.11100FLT)

High-Performance Headers

from

$245.99
Flow tech headers are the perfect combination of performance and value. Flow tech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 3/8″ flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat resistant black paint for a stealthy appearance.

Product Features:
  • Tuned-length primary tubes for better performance
  • Mandrel-bent tubing for smooth exhaust flow
  • Light weight & sturdy 16 gauge tubing
  • Mandrel-formed Power Plenum collector for low back pressure
  • Sturdy, leak-tested O-Ring port seals
  • Engineered for a precision fit
  • Designed for easy, trouble-free installation
  • Includes all mounting hardware and premium gaskets
  • Works with factory power steering and power brakes
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Hooker Headers – Super Competition Long Tube Headers – Ceramic Coated (Part No.2217-1HKR)

Super Competition Long Tube Headers - Ceramic Coated

from

$1300.99
With Hooker Super Competition the objective has always been to make the maximum horsepower and to put it at the optimum point in the power curve. It takes a lot of time and money to do the job right. We will sometimes spend up to 2 to 3 times more just to make the Super Competition header work only 5 to 10% better. That commitment to excellence has made Hooker Headers the winningest header manufacturer in automotive drag racing history. Hooker has a complete line of engine swap headers, front frame mounts and transmission mounts for popular engine swaps. Available for Chevy, Chrysler & 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:
  • Tuned-length primary tubes for maximum exhaust scavenging and velocity
  • Mandrel-bent tubing for smooth exhaust flow
  • Light weight & sturdy 18 gauge tubing
  • Long transition collector for decreased back pressure
  • 5/16″ machined flanges for a perfect seal
  • Industry’s best welds for durability
  • Designed for optimal performance
  • All necessary hardware included for a complete installation
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Hooker Headers – Competition Header (Part No.2451-2HKR)

Competition Header

from

$921.99
Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer, Hooker Competition headers offer premium features at a very competitive price. Made of durable 304 stainless steel tubing, the Hooker Competition header design utilizes a long transition collector to reduce back pressure and increase exhaust flow. A perfect sealing surface is assured with the 5/16″ machined flanges. Experience has proven that this flange size is ideal to maintain header integrity and be pliable enough to seal each exhaust port. Tubing is mandrel-bent to maintain metal strength and provide consistent tube diameter at radii to maximize performance. Hooker Competition headers have a standard finish that features a heat-cured, high-heat-resistant paint. Optionally, the famous Hooker Ceramic Thermal Barrier Coating is available.

Product Features:
  • 5/16″ machined flanges for a perfect seal
  • Long transition collector for decreased back pressure
  • Light weight & sturdy 16 gauge tubing
  • Mandrel-bent tubing for smooth exhaust flow
  • Tuned-length primary tubes for better performance
  • Industry’s best welds for durability
  • designed for easy, trouble-free fit
  • All necessary hardware included for a complete installation
  • Works with factory power steering and power brakes
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Flowtech – Full Length Headers (Car) (Part No.11150FLT)

Full Length Headers (Car)

from

$319.99
Flow tech headers are the perfect combination of performance and value. Flow tech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16″ flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat resistant black paint for a stealthy appearance.

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
  • Constructed of .049 cold roll flash mild steel tubing
  • Precision engineered for fit, performance and economy
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Hooker Headers – Competition Header (Part No.3901HKR)

Competition Header

from

$479.99
Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer, Hooker Competition headers offer premium features at a very competitive price. Made of durable 16 gauge mild steel tubing, the Hooker Competition header design utilizes a long transition collector to reduce back pressure and increase exhaust flow. A perfect sealing surface is assured with the 5/16″ machined flanges, with welded O-ring seals. Experience has proven that this flange size is ideal to maintain header integrity and be pliable enough to seal each exhaust port. Tubing is mandrel-bent to maintain metal strength and provide consistent tube diameter at radii to maximize performance. Hooker Competition headers have a standard finish that features a heat-cured, high-heat-resistant paint. Optionally, the famous Hooker Ceramic Thermal Barrier Coating is available.

Product Features:
  • Tuned-length primary tubes for better performance
  • Mandrel-bent tubing for smooth exhaust flow
  • Light weight & sturdy 16 gauge tubing
  • Long transition collector for decreased back pressure
  • 5/16″ machined flanges for a perfect seal
  • Industry’s best welds for durability
  • designed for easy, trouble-free fit
  • All necessary hardware included for a complete installation
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Flowmaster Inc. – Prebent Tailpipes – 2.50 in. Rear Exit – Pair (Part No.15801)

Prebent Tailpipes - 2.50 in. Rear Exit - Pair

from

$237.99
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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Dynomax – Exhaust Tail Pipe 2.5 Inch Inlet OD 2.5 Inch Outlet OD (Part No.43243)

Exhaust Tail Pipe 2.5 Inch Inlet OD 2.5 Inch Outlet OD

from

$55.99
Made from quality materials for durability, DynoMax 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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Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5921)

Ultra Seal: Exhaust Gasket Set

from

$44.49
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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Flowtech – Gaskets (Part No.99161FLT)

Gaskets

from

$20.49
Gaskets

Flowtech – Header Gaskets – Aluminum-Layered (Part No.99150FLT)

Header Gaskets - Aluminum-Layered

from

$95.99
gasket will not because the “Dead Soft” aluminum conforms to create a leak-proof seal. REAL-SEALS can also be easily trimmed for port-matching and

Product Features:
  • Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof seal
  • Water/Weather Resistant
  • Re-Useable
  • Will Not Burn Or Blow Out
  • Suitable For Port-Matching
  • Made In USA
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FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1423)

Exhaust Manifold Gasket Set

from

$28.99
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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FEL-PRO Performance – Perforated Steel Core with Anti-Stick Coating Exhaust Manifold Gasket Set (Part No.1470)

Perforated Steel Core with Anti-Stick Coating Exhaust Manifold Gasket Set

from

$49.99
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.
See More

FEL-PRO Performance – Perforated Steel Core with Anti-Stick Coating Exhaust Manifold Gasket Set (Part No.1444)

Perforated Steel Core with Anti-Stick Coating Exhaust Manifold Gasket Set

from

$32.99
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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Mr. Gasket – Exhaust Gasket Set (Part No.150)

Exhaust Gasket Set

from

$35.99
Manufactured from high-temperature composite exhaust material. Provides maximum torque retention to eliminate gasket failure. Can be trimmed if necessary for modified port applications. Precision die cut for an excellent fit. For OE replacement, high-performance street, drag race and oval track.

Product Features:
  • High-Temperature Exhaust Material
  • Withstands Extreme Exhaust Heat
  • Provides Excellent Sealing And Durability
  • Superior Tensile Strength
  • Resists Deteriorating
  • Provides Excellent Torque Retention
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Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942448)

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

from

$137.99
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. – 80 Series Muffler, 2.5in Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.42583)

80 Series Muffler, 2.5in Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound

from

$179.99
The 80 series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end. Delivering an aggressive muscle car sound both inside and outside the vehicle, this is an excellent replacement for Camaros & Firebirds with transverse mufflers. 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 Offset Outlet, Non-Reversible, Moderate Sound (Part No.842453)

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

from

$188.99
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. – 40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 13in long, Non-Reversible, Aggressive Sound (Part No.43043)

40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 13in long, Non-Reversible, Aggressive Sound

from

$101.99
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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Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942443)

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

from

$159.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. 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 Offset Outlet, Non-Reversible, Moderate Sound (Part No.942453)

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

from

$173.99
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.
See More

Flowmaster Inc. – 40 Series Muffler, 2in Offset Inlet 2in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942043)

40 Series Muffler, 2in Offset Inlet 2in Offset Outlet, Non-Reversible, Aggressive Sound

from

$152.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – Header-back System – Dual Rear Exit – American Thunder – Moderate/Aggressive (Part No.17139)

Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive

from

$869.99
For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
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MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.15694)

Street Series Cat-Back Performance Exhaust System

from

$882.99
The Street Series Stainless Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound. MagnaFlow Performance Exhaust System Kit 15694┬áis made of durable stainless steel and built using CNC precision robotic manufacturing techniques, all backed by MagnaFlow’s limited lifetime warranty.

Product Features:
  • Dyno-proven performance
  • CNC precision robotic manufacturing techniques
  • Durable corrosion-resistant stainless steel construction
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Flowmaster Inc. – Header-back System – Dual Side Exit – American Thunder – Aggressive Sound (Part No.17129)

Header-back System - Dual Side Exit - American Thunder - Aggressive Sound

from

$699.99
For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
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Flowmaster Inc. – Header-back System – Dual Side Exit – American Thunder – Aggressive Sound (Part No.817129)

Header-back System - Dual Side Exit - American Thunder - Aggressive Sound

from

$972.99
For the person looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, Flowmaster’s America Thunder system for GM F-Body cars include specially-selected Super 44 mufflers to make your Camaro or Firebird come alive. This Header-back dual exhaust system uses 2.50 in. 409S stainless steel tubing, backed by our 10-year warranty! And a durable H-pipe design that delivers improved throttle response, power and mileage. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
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Hooker Headers – Cat-Back Exhaust System (Part No.16820HKR)

Cat-Back Exhaust System

from

$614.99
Super Competition Cat-Back System – Natural Finish Mufflers with Aluminized Pipes for 1983-1992 Camaro / Firebird with 305 non-HO Engine (H & E)

Product Features:
  • Exit At Stock Locations
  • Mandrel Bent Not Press Bent
  • Consistent Inside Diameter
  • Maximum Flow
  • Uses Existing Stock Hangers
  • Large Diameter 16 Ga. Aluminum Tubing
  • Low Back Pressure and Long Life
  • Easy Installation
  • Comes with Show Polished Stainless Tips and Aero chamber Muffler
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Flowmaster Inc. – Header-back System 409S – Dual Rear Exit – American Thunder- Moderate/Aggressive (Part No.817139)

Header-back System 409S - Dual Rear Exit - American Thunder- Moderate/Aggressive

from

$1025.99
For the person looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, Flowmaster’s America Thunder system for GM F-Body cars includes specially-selected Super 44 mufflers to make your Camaro or Firebird come alive. This Header-back dual exhaust system uses 2.50 in. 409S stainless steel tubing (Backed by our 10-year warranty!) and a durable H-pipe design that delivers improved throttle response, power and mileage. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
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Dynomax – Exhaust System Kit (Part No.89009)

Exhaust System Kit

from

$324.99
Give your vintage vehicle’s exhaust system an upgrade with a DynoMax dual header kit. Designed to attach to OE headers, it features a special reducer that allows for a variety of mounting options.

Product Features:
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Most Popular Performance Exhaust Mufflers for 1968 Pontiac Firebirds

Enhance your 1968 Pontiac Firebird with one of the 9 Performance Exhaust Mufflers we have in stock, starting at just $101.99.

Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942448)

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

from

$137.99
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.
See More

Flowmaster Inc. – 40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 13in long, Non-Reversible, Aggressive Sound (Part No.43043)

40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 13in long, Non-Reversible, Aggressive Sound

from

$101.99
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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Flowmaster Inc. – 80 Series Muffler, 2.5in Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.42583)

80 Series Muffler, 2.5in Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound

from

$179.99
The 80 series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end. Delivering an aggressive muscle car sound both inside and outside the vehicle, this is an excellent replacement for Camaros & Firebirds with transverse mufflers. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

Flowmaster Inc. – 50 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Moderate Sound (Part No.942453)

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

from

$173.99
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.
See More

Flowmaster Inc. – 50 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Moderate Sound (Part No.842453)

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

from

$188.99
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.
See More

Hooker Headers – Aero Chamber Muffler (Part No.21729HKR)

Aero Chamber Muffler

from

$241.99
The all aluminized and 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% better and produce more horsepower and torque than the most popular high performance brand.

Product Features:
  • Universal Camaro/Firebird Replacement
  • Single 3″ Offset Inlet
  • Dual 2-1/2″ Outlets
  • 4-3/4″H x 10-1/4″W x 20″L 16 Gauge Aluminized Steel Case
  • O.E. Mounting Provisions
  • Reinforced Inlets and Outlets
  • Stainless Steel Perforated Plate eliminates Internal Rust
  • Aerodynamic Lens Directs Sound Pressure Waves into Acceleration Chamber and Out of Muffler
  • Sound Absorption Chamber eliminates High Frequency Sound Waves for Deep Throaty Powerful Sound
  • Resonance Chamber and Tuning Tube Cancels Unwanted Frequencies and Amplitudes
  • Stepped acceleration Chamber Increases Exhaust Gas Velocity and Maximum Flow
  • Three Internal Bulk Heads for Superior Case Durability and Stability
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Flowmaster Inc. – 40 Delta Muffler 409S – 2.25 Offset In / 2.25 Offset Out – Aggressive Sound (Part No.842443)

40 Delta Muffler 409S - 2.25 Offset In / 2.25 Offset Out - Aggressive Sound

from

$165.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
See More

Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942443)

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

from

$159.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

Flowmaster Inc. – 40 Series Muffler, 2in Offset Inlet 2in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942043)

40 Series Muffler, 2in Offset Inlet 2in Offset Outlet, Non-Reversible, Aggressive Sound

from

$152.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

Best-Selling 1968 Pontiac Firebird Performance Exhaust Manifold Gaskets

Upgrade your Firebird with one of our 6 best-selling Performance Exhaust Manifold Gaskets.

Flowtech – Gaskets (Part No.99161FLT)

Gaskets

from

$20.49
Gaskets

Flowtech – Header Gaskets – Aluminum-Layered (Part No.99150FLT)

Header Gaskets - Aluminum-Layered

from

$95.99
gasket will not because the “Dead Soft” aluminum conforms to create a leak-proof seal. REAL-SEALS can also be easily trimmed for port-matching and

Product Features:
  • Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof seal
  • Water/Weather Resistant
  • Re-Useable
  • Will Not Burn Or Blow Out
  • Suitable For Port-Matching
  • Made In USA
See More

Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5921)

Ultra Seal: Exhaust Gasket Set

from

$44.49
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
See More

FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1423)

Exhaust Manifold Gasket Set

from

$28.99
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.
See More

Mr. Gasket – Ultra Seal: Exhaust Gasket Set (Part No.5920)

Ultra Seal: Exhaust Gasket Set

from

$54.99
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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FEL-PRO Performance – Exhaust Manifold Gasket Set (Part No.1436)

Exhaust Manifold Gasket Set

from

$39.99
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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Top-Quality Performance Exhaust System Kits for 1968 Pontiac Firebirds

Choose a high-quality OEM or aftermarket Performance Exhaust System Kit for Pontiac Firebirds and enjoy top-notch performance from $699.99.

Flowmaster Inc. – Header-back System – Dual Side Exit – American Thunder – Aggressive Sound (Part No.817129)

Header-back System - Dual Side Exit - American Thunder - Aggressive Sound

from

$972.99
For the person looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, Flowmaster’s America Thunder system for GM F-Body cars include specially-selected Super 44 mufflers to make your Camaro or Firebird come alive. This Header-back dual exhaust system uses 2.50 in. 409S stainless steel tubing, backed by our 10-year warranty! And a durable H-pipe design that delivers improved throttle response, power and mileage. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
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Flowmaster Inc. – Header-back System – Dual Side Exit – American Thunder – Aggressive Sound (Part No.17129)

Header-back System - Dual Side Exit - American Thunder - Aggressive Sound

from

$699.99
For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
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Our Top Pick for a 1968 Pontiac Firebird Performance Exhaust Tail Pipe

Invest in a durable Performance Exhaust Tail Pipe for your 1968 Pontiac, knowing you’re getting trusted brands and expert craftsmanship.

Flowmaster Inc. – Prebent Tailpipes – 2.50 in. Rear Exit – Pair (Part No.15801)

Prebent Tailpipes - 2.50 in. Rear Exit - Pair

from

$237.99
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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Top-Rated Performance Exhaust Headers for 1968 Pontiac Firebirds

Make a smart move for your 1968 Pontiac Firebird with products all priced from $245.99 to $511.99.

Flowtech – High-Performance Headers (Part No.11100FLT)

High-Performance Headers

from

$245.99
Flow tech headers are the perfect combination of performance and value. Flow tech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 3/8″ flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat resistant black paint for a stealthy appearance.

Product Features:
  • Tuned-length primary tubes for better performance
  • Mandrel-bent tubing for smooth exhaust flow
  • Light weight & sturdy 16 gauge tubing
  • Mandrel-formed Power Plenum collector for low back pressure
  • Sturdy, leak-tested O-Ring port seals
  • Engineered for a precision fit
  • Designed for easy, trouble-free installation
  • Includes all mounting hardware and premium gaskets
  • Works with factory power steering and power brakes
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Flowtech – Full Length Headers (Car) (Part No.31100FLT)

Full Length Headers (Car)

from

$511.99
Flow tech headers are the perfect combination of performance and value. Flow tech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 3/8″ flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat and corrosion resistant metallic ceramic thermal coating that increases exhaust velocity and reduces under hood temps for increased performance.

Product Features:
  • Tuned-length primary tubes for better performance
  • Mandrel-bent tubing for smooth exhaust flow
  • Light weight & sturdy 16 gauge tubing
  • Mandrel-formed Power Plenum collector for low back pressure
  • Sturdy, leak-tested O-Ring port seals
  • Engineered for a precision fit
  • Designed for easy, trouble-free installation
  • Includes all mounting hardware and premium gaskets
  • Works with factory power steering and power brakes
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Top-Rated Performance Exhaust Product Brands For Your 1968 Pontiac Firebird

When it comes to finding the perfect Performance Exhaust Product for your 1968 Pontiac Firebird, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 trusted brands. We carry the most popular Performance Exhaust Product brands including Flowmaster Inc., and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $101.99. Purchasing a Performance Exhaust Product from us here at Advance Auto Parts is a smart move for both you and your 1968 Pontiac Firebird, providing peace of mind with parts that meet or exceed OEM standards.

Popular Flowmaster Inc. 1968 Pontiac Firebird Performance Exhaust Products

If you’re looking for a top-quality Performance Exhaust Product for your 1968 Pontiac Firebird, Advance Auto Parts has exactly what you need with our selection of Flowmaster Inc. Performance Exhaust Products. We have 3 Flowmaster Inc. Performance Exhaust Products in stock for this fitment, all known for their durability and precision fit. With prices starting at just $101.99 and an average cost of $139.99, you’ll find the perfect Performance Exhaust Product for your needs and budget. Flowmaster Inc. Performance Exhaust Products for the 1968 Pontiac Firebird come highly rated, with over 7 customer reviews and an impressive average rating of 4.4 stars. Choosing a Flowmaster Inc. Performance Exhaust Product from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound
from $137.99
(1)
Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound
“sounds great just what I WAS LOOKING FOR.”
80 Series Muffler, 2.5in Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound
from $179.99
(4)
80 Series Muffler, 2.5in Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound
“Sounds great was a perfect gift to another car guy”
40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 13in long, Non-Reversible, Aggressive Sound
from $101.99
(2)
40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 13in long, Non-Reversible, Aggressive Sound
“Made out of great material, very easy to install (even for the inexperienced mechanic).Nice aggressive sound.I will suggest this product to friends an”

FAQs for 1968 Pontiac Firebird Performance Exhaust Products

What are the best-selling Performance Exhaust Products for 1968 Pontiac Firebirds?

Out of 20 Performance Exhaust Products that fit 1968 Pontiac Firebirds, the following parts are the top sellers:

What’s the price range for 1968 Pontiac Firebird Performance Exhaust Products?

The prices of Performance Exhaust Products for the 1968 Pontiac Firebird range from $20.49 up to $972.99 for the most premium parts.

What is the average price of a Performance Exhaust Product for a 1968 Pontiac Firebird?

The average price for Performance Exhaust Products for the 1968 Pontiac Firebird is $278.86. Keep in mind the variety of part types within our Performance Exhaust Product category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Performance Exhaust Products for other Pontiac Firebird model years?

Yes, we carry Performance Exhaust Products for 34 model years of Pontiac Firebirds between 1967 and 2002. The following model years are the most popular for Performance Exhaust Product purchases: 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, and 1994.

What are the cheapest Performance Exhaust Products for my 1968 Pontiac Firebird?

The cheapest 1968 Pontiac Firebird Performance Exhaust Products we carry are:

Does Advance Auto Parts sell Performance Exhaust Products for any other 1968 Pontiac models?

What are the top-rated Performance Exhaust Products that fit the 1968 Pontiac Firebird?

The one 1968 Pontiac Firebird Performance Exhaust Product we have in stock is the Gaskets. It costs $20.49.

What types of Performance Exhaust Products do you sell for my 1968 Pontiac Firebird?

As of 6/2/26, these are some of the most in-demand types of Performance Exhaust Products for a 1968 Pontiac Firebird:

Can I get help with 1968 Pontiac Firebird Performance Exhaust Product orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Pontiac Performance Exhaust Products and more.

What is your return policy for Pontiac Firebird Performance Exhaust Products?

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