and Performance Parts and Accessories

Pontiac Firebird Parts - Exhaust
Classic Industries offers a wide selection of Exhaust & Components for your Pontiac Firebird. Classic Industries offers Pontiac Firebird Converters, Pontiac Firebird Hardware, Pontiac Firebird Manifold Hardware, Pontiac Firebird Manifolds, and Pontiac Firebird Mufflers & Pipes.
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Flowmaster® has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The new Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would...
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- Add to Wishlist
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Correct replacement muffler clamp is designed to replace the factory originals. This is the early style original replacement clamp for the discriminating restorer! Each clamp includes hardware.
- Add to Cart
- Add to Wishlist
-
Dress up your exhaust with a classic straight tip or add some extra punch with something a little bolder. Whatever the look you crave, the line of 304 stainless steel Pypes exhaust tips will provide years of eye-popping...
- Add to Cart
- Add to Wishlist
-
Titanium exhaust wrap from DEI. Withstands 1800 of direct, and 2500 of intermittent heat. Extremely pliable for an easy install with no wetting necessary. Very durable with high resistance to abrasions, oil and chemicals, and...
- Add to Cart
- Add to Wishlist
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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. Constructed of 16 gauge...
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- Add to Wishlist
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This is the most aggressive sounding street/strip muffler that Flowmaster® offers. If you?re looking for attention, this one will get you noticed. The original standard 40 series has an "aggressive rumble" and will...
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- Add to Wishlist
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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...
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- Add to Wishlist
-
Flowmaster® has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The new Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would...
- Add to Cart
- Add to Wishlist
-
OER® Hi-Temp Exhaust Coat is a fast drying coating designed to withstand temperatures of up to 1200° F on a continuous basis. After curing, it forms a porcelain-like bond. Its special formula resists blistering,...
- Add to Cart
- Add to Wishlist
-
This is the most "aggressive" sounding street/strip muffler that Flowmaster offers. If you?re looking for attention, this one will get you noticed. The standard 40 series has an "aggressive rumble" and will generally...
- Add to Cart
- Add to Wishlist
-
OER® Hi-Temp Exhaust Coat is a fast drying coating designed to withstand temperatures of up to 1200° F on a continuous basis. After curing, it forms a porcelain-like bond. Its special formula resists blistering,...
- Add to Cart
- Add to Wishlist
-
The Super 44 offers maximum performance, an improved flow path radius, generates more torque / power than ever before and is the most aggressive, deepest toned street and strip muffler Flowmaster has ever made! If you...
- Add to Cart
- Add to Wishlist
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3-bolt flange header reducers from Hedman Hedders. These reducers have two flat mating surfaces with a gasket for a leak-free joint. Necessary gaskets and hardware included.
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Form-A-Barrier by Design Engineering Inc. is a light weight, formable shield to protect components from heat. This 12" x 12" rigid shield provides excellent thermal protection up to 1300°F with minimal gap of 1 inch to heat...
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The Super 44 offers maximum performance, an improved flow path radius, generates more torque / power than ever before and is the most aggressive, deepest toned street and strip muffler Flowmaster has ever made! If you...
- Add to Cart
- Add to Wishlist
-
The Super 44 is the most aggressive, deepest toned street and strip muffler Flowmaster has ever made! The Super 44?s offer maximum performance, an improved flow path radius, and generates more torque and more power than ever...
- Add to Cart
- Add to Wishlist
-
The 80 Series is designed for applications where the muffler must be mounted transversely (cross-flow) behind the rear end. This muffler provides an aggressive muscle car sound both inside and outside the vehicle. A...
- Add to Cart
- Add to Wishlist
-
The Super 40 features Flowmaster's Delta Flow technology. It's larger case provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the...
- Add to Cart
- Add to Wishlist
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Exhaust tip with straight-edge, angle-cut end. This weld-on tip is finished with an embossed Flowmaster logo. Made in USA Sold individually.
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This header collector set takes the place of messy three-bolt, flange-type connections and allows for a leak-free and gasket-free ball-flange type connection. Made in USA Emission Note: 50- State Legal This part is legal...
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Stainless steel exhaust clamps are now available for chambered or aluminized exhaust systems. This stainless steel clamp offers long-lasting effectiveness over the original style non-coated clamps.
- Add to Cart
- Add to Wishlist
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PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...
- Add to Cart
- Add to Wishlist
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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...
- Add to Cart
- Add to Wishlist
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Titanium exhaust wrap from DEI. Withstands 1800 of direct, and 2500 of intermittent heat. Extremely pliable for an easy install with no wetting necessary. Very durable with high resistance to abrasions, oil and chemicals, and...
- Add to Cart
- Add to Wishlist
-
The Super 40 features Flowmaster's Delta Flow technology. It's larger case provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the...
- Add to Cart
- Add to Wishlist
-
Ten mil aluminum bonded to woven glass fiber with a hi temp adhesive backing. Designed to withstand temperatures up to 1750 degrees. The adhesive backing adhere to almost anything while withstanding temperatures over 450...
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- Add to Wishlist
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Dress up your exhaust with a classic straight tip or add some extra punch with something a little bolder. Whatever the look you crave, the line of 304 stainless steel Pypes exhaust tips will provide years of eye-popping...
- Add to Cart
- Add to Wishlist
-
Cool-Tape is a flexible and durable thermal insulating tape, great for sealing the seams and edges of DEI Floor & Tunnel Shield. Capable of withstanding temps up to 2000 degrees.
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Flowmaster® has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The new Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would...
- Add to Cart
- Add to Wishlist
-
Pypes dual electric cutout set allows you to partially or fully open both your exhausts from one switch that you can mount anywhere in the car. Perfect for when a quick 10-20 horsepower is needed. Using only the highest...
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- Add to Wishlist
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This is the most "aggressive" sounding street/strip muffler that Flowmaster offers. If you?re looking for attention, this one will get you noticed. The standard 40 series has an "aggressive rumble" and will generally...
- Add to Cart
- Add to Wishlist
-
Titanium exhaust wrap from DEI. Withstands 1800 of direct, and 2500 of intermittent heat. Extremely pliable for an easy install with no wetting necessary. Very durable with high resistance to abrasions, oil and chemicals, and...
- Add to Cart
- Add to Wishlist
-
This is the latest three chamber design of the 50 series muffler that utilizes Flowmasters patented "Delta Flow" technology along with an internal tuning chamber to eliminate most all interior resonance and still have that...
- Add to Cart
- Add to Wishlist
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Flowmaster 18" Transverse Cross Flow 80 Series Muffler with 2-1/2" Dual Inlet and 2-1/2" Dual Outlet
The 80 Series is designed for applications where the muffler must be mounted transversely (cross-flow) behind the rear end. This muffler provides an aggressive muscle car sound both inside and outside the vehicle. A...
- Add to Cart
- Add to Wishlist
-
The 80 Series is designed for applications where the muffler must be mounted transversely (cross-flow) behind the rear end. This muffler provides an aggressive muscle car sound both inside and outside the vehicle. A...
- Add to Cart
- Add to Wishlist
-
The Super 40 features Flowmaster's Delta Flow technology. It's larger case provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the...
- Add to Cart
- Add to Wishlist
-
Exhaust tip, logo embossed polished stainless, rolled edge angle cut, 4.00 in. tip diameter x 3.50 in. pipe diameter x 10.00 in. length, weld on. Made in USA Sold individually. Features: Weld-On Angle Cut Design...
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- Add to Wishlist
-
Flowmaster® has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The new Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would...
- Add to Cart
- Add to Wishlist
-
Flowmaster offers a pre-fabricated universal balance pipe set to ease the installation of a crossover pipe in a dual-exhaust system. Made in USA Set includes T-pipe connectors, balance pipe and clamps. Emission Note: 50-...
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This set comes with all the pipes you need to build a custom dual exhaust system. Set includes: Front Pipes Mid Pipes Rear Pipes Side Exit Pipes Corner Exit Pipes Over-Axle Pipes H-Pipe Stubs Straight Crossover Pipe Bent...
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-
PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers...
- Add to Cart
- Add to Wishlist
-
Correct replacement muffler clamp is designed to replace the factory originals. This is the early style original replacement clamp for the discriminating restorer! Each clamp includes hardware.
- Add to Cart
- Add to Wishlist
-
This is a stainless exhaust tip designed with a double wall, rolled edge offering 3-1/2" diameter exit. Designed to fit 3" pipe, and is 12" in length. Made in USA Clamp-on style finished with an embossed Flowmaster...
- Add to Cart
- Add to Wishlist
-
This two chamber design incorporates Flowmasters patented "Delta Flow" technology. The "Delta" deflectors result in increased scavenging for better performance and reduced interior resonance over the standard 40 series with...
- Add to Cart
- Add to Wishlist
-
PROFORM Grade 8 (12.9 steel) exhaust collector bolts and nuts are designed to keep bolts from getting loose. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently...
- Add to Cart
- Add to Wishlist
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Pypes stainless steel band clamp & band clamp butt connectors make installing and removing exhaust pipes a breeze. The band clamp is perfect for securing slip-fit style joints and exhaust tips, while the butt connectors are a...
- Add to Cart
- Add to Wishlist
-
This is the most "aggressive" sounding street/strip muffler that Flowmaster® offers. If you?re looking for attention, this one will get you noticed. The original standard 40 series has an "aggressive rumble" and will...
- Add to Cart
- Add to Wishlist
-
These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers bite into and grab the bottom of the bolt head and the top surface of the header. After...
- Add to Cart
- Add to Wishlist
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X-Change X-Pipes allow you to open and close your exhaust with the bolting or unbolting of dump plates. By exiting before the mufflers, you will make even more power! Because V8's fire unevenly, exhaust exits in pulses rather...
- Add to Cart
- Add to Wishlist
-
This is the latest three chamber design of the 50 series muffler that utilizes Flowmasters patented "Delta Flow" technology along with an internal tuning chamber to eliminate most all interior resonance and still have that...
- Add to Cart
- Add to Wishlist
-
The Super 44 offers maximum performance, an improved flow path radius, generates more torque / power than ever before and is the most aggressive, deepest toned street and strip muffler Flowmaster has ever made! If you...
- Add to Cart
- Add to Wishlist
-
The Super 40 features Flowmaster's Delta Flow technology. It's larger case provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the...
- Add to Cart
- Add to Wishlist
-
Plated exhaust clamps now available for chambered or aluminized exhaust systems. Plated clamps offer long-lasting effectiveness over the original style non-coated clamps.
- Add to Cart
- Add to Wishlist
-
Flowmaster® has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The new Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would...
- Add to Cart
- Add to Wishlist
-
This is a stainless exhaust tip designed with a double wall, rolled edge offering 3" diameter exit. Designed to fit 2-1/2" pipe, and is 12" in length. Made in USA Clamp-on style finished with an embossed Flowmaster...
- Add to Cart
- Add to Wishlist
-
OER® Hi-Temp Exhaust Coat is a fast drying coating designed to withstand temperatures of up to 1200° F on a continuous basis. After curing, it forms a porcelain-like bond. Its special formula resists blistering,...
- Add to Cart
- Add to Wishlist
-
Stainless steel exhaust clamps are now available for chambered or aluminized exhaust systems. This stainless steel clamp offers long-lasting effectiveness over the original style non-coated clamps.
- Add to Cart
- Add to Wishlist
-
Correct replacement muffler clamp is designed to replace the factory originals. This is the early style original replacement clamp for the discriminating restorer! Each clamp includes hardware.
- Add to Cart
- Add to Wishlist
-
Flowmaster® has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The new Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would...
- Add to Cart
- Add to Wishlist
-
This is the latest three chamber design of the 50 series muffler that utilizes Flowmasters patented "Delta Flow" technology along with an internal tuning chamber to eliminate most all interior resonance and still have that...
- Add to Cart
- Add to Wishlist
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