1981 Pontiac Firebird Exhaust Headers & Manifolds
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Dorman®Natural Exhaust ManifoldPontiac Firebird 5.0L 1981, Natural Exhaust Manifold by Dorman®. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$119.21 - $121.91 - ATP®Cast Iron Natural Exhaust ManifoldPontiac Firebird 5.0L 1981, Natural Cast Iron Exhaust Manifold by ATP®. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the...Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage$143.71 - $255.23
- SKP®Exhaust ManifoldPontiac Firebird 5.0L 1981, Exhaust Manifold by SKP®. Put your vehicle back to its original condition with this top-notch transfer case component designed to efficiently transmit the engine power to both the front and rear axles through...Designed to send the engine power to both the front and rear axlesDirect-fit replacement for your overworked, out-of-shape transfer case$80.98
- ARP®Header Bolt KitPontiac Firebird 5.0L 1981, Header Bolt Kit by ARP®. 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...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$21.63 - $119.06
- Patriot Exhaust®Exhaust HeaderPontiac Firebird 1981, Exhaust Header by Patriot Exhaust®. This superior Patriot Exhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built...Expertly crafted from premium materialsQuality design and workmanship$283.05 - $645.00
- Patriot Exhaust®Clippster Steel Mid-Length Tube Exhaust HeadersPontiac Firebird Automatic Transmission 1981, Clippster Steel Mid-Length Tube Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Mid-Length Tube. Header made from Steel....Mid length or "clippster" headers provide improved ground clearance for popular muscle cars and street rodsDurable 16 and 18 gauge tubing$311.95 - $552.06
- Patriot Exhaust®Short Tube Exhaust HeadersPontiac Firebird 1981, Short Tube Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Short Tube. This superior Patriot Exhaust product is just for you. Carefully designed...Expertly crafted from premium materialsQuality design and workmanship$406.91 - $664.66
- Kooks®Stage 8 Locking Exhaust Header Bolt KitPontiac Firebird 1981, Stage 8 Locking Exhaust Header Bolt Kit by Kooks®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product...Expertly crafted from premium materialsDesigned to match rigorous quality standards$55.62
- Doug's Headers®4-Tube Hi-Temp Black Coated Mid-Length Tube Exhaust HeadersPontiac Firebird Automatic Transmission 1981, 4-Tube Hi-Temp Black Coated Mid-Length Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Color: Black. Header Style: Mid-Length Tube....3/8" Thick machined flanges...no warpingCNC mandrel bent tubes... accurate fit & better flow$721.45
- Doug's Headers®4-Tube Short Tube Exhaust HeadersPontiac Firebird 1981, 4-Tube Short Tube Exhaust Headers by Doug's Headers®. Header Coating: Ceramic. Header Style: Short Tube. Doug's Headers development and design is complex and requires a substantial amount of time and resources to...3/8" Thick machined flanges...no warpingCNC mandrel bent tubes... accurate fit & better flow$721.45 - $914.45
- Doug's Headers®4-Tube Steel Long Tube Exhaust HeadersPontiac Firebird 1981, 4-Tube Steel Long Tube Exhaust Headers by Doug's Headers®. Header Coating: Ceramic. Header Style: Long Tube. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked...Doug's Headers D3373 Metallic Ceramic Coating3/8" thick flanges$692.45 - $1,185.45
- Doug's Headers®Mid-Length Tube Mid-Length Tube Exhaust HeaderPontiac Firebird 1981, Mid-Length Tube Mid-Length Tube Exhaust Header by Doug's Headers®. Header Style: Mid-Length Tube. Doug's Headers development and design is complex and requires a substantial amount of time and resources to do the...3/8" Thick machined flanges...no warpingCNC mandrel bent tubes... accurate fit & better flow$559.45 - $618.45
- Doug's Headers®Motor Mount Adapter Plate KitPontiac Firebird 1981, Motor Mount Adapter Plate Kit by Doug's Headers®. Doug's Headers development and design is complex and requires a substantial amount of time and resources to do the job right! Many manufacturers are unwilling to...High quality at an affordable priceExpertly made from premium materials$139.45
- Stage 8®Header Locking Bolt KitPontiac Firebird 1981, Header Locking Bolt Kit by Stage 8®. Stage 8 locking fastener solutions are fail-safe when used and installed as directed. They are removable and reusable and can be visually inspected; if the locking retainer and...Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system$68.22 - $75.82
- Stainless Works®Stainless Steel Mill Long Tube Exhaust Headers with Factory ConnectPontiac Firebird With Small Block Engine 1981, Stainless Steel Mill Long Tube Exhaust Headers with Factory Connect by Stainless Works®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Color: Silver. Header Coating:...Designed to meet strict quality standards0.375" Laser Cut Flanges$1,369.90
- Fel-Pro®Exhaust Manifold Gasket SetPontiac Firebird 1981, Exhaust Manifold Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...Ensures reliable sealing performanceMade using advanced technologies and molded rubber chemistry$8.28 - $34.01
- BBK®Premium Header Gasket SetPontiac Firebird 5.0L for Stock Or CNC Ported Heads 1981, Premium Header Gasket Set by BBK®. These premium steel core graphite gaskets are flexible for a long lasting leak-proof seal even when cylinder head and header flange surfaces...Provides a long lasting, leak-proof sealFlexible graphite will conform to surface irregularities and won't stick to headers or cylinder head$44.99
- Mahle®Exhaust Manifold Gasket SetPontiac Firebird 1981, Exhaust Manifold Gasket Set by Mahle®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$6.85 - $13.01
- Remflex®Exhaust Header GasketsPontiac Firebird 5.0L 1981, Exhaust Header Gaskets by Remflex®. Stahl 7-Bolt Pattern. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications. Whether you have an old pick-up that...Designed to crush 50%This allows them to fill gaps in the flange surface up to 1/16"$39.43
- Patriot Exhaust®Percy's Seal-4-Good™ Exhaust Header GasketsPontiac Firebird 5.0L 1981, Percy's Seal-4-Good™ Exhaust Header Gaskets by Patriot Exhaust®. The Percy's Seal-4-Good Reusable Flange Gaskets are multi-layered and made from a special "Dead Soft" Aluminum, which conforms to header...Special "dead soft" aluminum conforms to flange to make an excellent sealSolid metal gasket will not blow out$44.95
- Apex Auto®Exhaust Manifold Gasket SetPontiac Firebird 1981, Exhaust Manifold Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$4.67 - $5.13
- Patriot Exhaust®Percy's Seal-4-Good™ Aluminum Header Flange GasketsPontiac Firebird 5.0L 1981, Percy's Seal-4-Good™ Aluminum Header Flange Gaskets by Patriot Exhaust®. Hanger made from Steel. Great for bringing back the custom car look some popular in the 50's and 60's.Will cover your exhaust needs and even moreBuilt to last$44.95
- Edelbrock®Exhaust Gasket SetPontiac Firebird 5.0L 1981, Exhaust Gasket Set by Edelbrock®. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. Edelbrock's gaskets are not only manufactured from...The finest quality at a great priceEdelbrock carry everything needed to complete the job$24.95
- Dorman®Metal HELP Exhaust Manifold Bolt and Spring KitPontiac Firebird 1981, Metal HELP Exhaust Manifold Bolt and Spring Kit by Dorman®. Position: Front. Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of...New hardware helps fix exhaust leaksKits include hardware to securely attach the manifold to the exhaust system$4.90 - $7.51
- Dorman®Brass Exhaust Manifold NutsBrass Exhaust Manifold Nuts by Dorman®. Dorman's Exhaust Nuts are now available separately for exhaust manifold repairs. These direct replacement nuts are ideal for securing exhaust components and used in conjunction with a mating bolt...Direct replacement for a proper fit every timeHigh-quality materials provides years of trouble-free service$4.76
- Kooks®Multi-Layer Stainless Steel Exhaust Header GasketPontiac Firebird 4.3L / 4.4L / 4.9L / 5.0L 1981, Multi-Layer Stainless Steel Exhaust Header Gasket by Kooks®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...Expertly crafted from premium materialsDesigned to match rigorous quality standards$35.56
- Victor Reinz®Exhaust Manifold Gasket SetPontiac Firebird 1981, Exhaust Manifold Gasket Set by Victor Reinz®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...High quality at an affordable priceExpertly made from premium materials$10.50 - $14.88
- Nickson®Exhaust Manifold InsulatorExhaust Manifold Insulator by Nickson®. Nickson was the first to introduce exhaust products to the aftermarket. This represented a substantial upgrade in the quality of products especially since they took both the Ford and GM OE designs...Expertly crafted from premium materialsQuality design and workmanship$6.02
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1981 Pontiac Firebird Models
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