1981 Pontiac Firebird Exhaust Headers & Manifolds
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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 - $14.89 - Jones Exhaust®Exhaust FlangeUniversal Exhaust Flange by Jones Exhaust®. 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 and deliver great...High quality at an affordable priceExpertly made from premium materials$2.27 - $3.25
- Nickson®Exhaust Collector GasketExhaust Collector Gasket 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$1.22 - $7.43
- 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
- PAI®Exhaust Manifold KitExhaust Manifold Kit by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$1,134.44
- Nickson®Exhaust Manifold GasketUniversal Exhaust Manifold Gasket 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...Expertly crafted from premium materialsQuality design and workmanship$2.42 - $10.79
- Nickson®Exhaust Flat WasherExhaust Flat Washer 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 and...Expertly crafted from premium materialsQuality design and workmanship$0.13 - $0.32
- Nickson®Exhaust Manifold FlangeUniversal Exhaust Manifold Flange 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...Expertly crafted from premium materialsQuality design and workmanship$6.51 - $10.91
- Nickson®Exhaust Manifold Heat RiserExhaust Manifold Heat Riser 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...Expertly crafted from premium materialsQuality design and workmanship$41.72
- Nickson®Exhaust Manifold NutExhaust Manifold Nut 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 and...Expertly crafted from premium materialsQuality design and workmanship$0.15 - $0.89
- Nickson®Exhaust Manifold StudUniversal Exhaust Manifold Stud 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...Expertly crafted from premium materialsQuality design and workmanship$0.46 - $4.29
- Nickson®Exhaust Manifold Stud KitUniversal Exhaust Manifold Stud Kit 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...Expertly crafted from premium materialsQuality design and workmanship$13.35 - $17.46
- Nickson®Exhaust Spring Lock WasherExhaust Spring Lock Washer 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$0.15
- Nickson®Manifold StudManifold Stud 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 and improved...Expertly crafted from premium materialsQuality design and workmanship$0.83 - $6.43
- PAI®Exhaust Manifold SpacerExhaust Manifold Spacer by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$8.59
- PAI®Exhaust Manifold StudExhaust Manifold Stud by PAI®.Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$3.71 - $116.71
- Davico®Exhaust ManifoldPontiac Firebird 5.0L 1981, Exhaust Manifold by Davico®. Position: Passenger Side. This product by Davico will be a great solution to replace your failed or damaged exhaust manifold. Once your stock cat fails to perform its job,...Helps your vehicle emit harmless gasesDirect OEM replacement$104.22
- Detroit Speed Engineering®Exhaust HeaderPontiac Firebird 1981, Exhaust Header by Detroit Speed Engineering®. Material: 304 Stainless Steel. Header Style: Long Tube. If you have issues with starting your vehicle and your battery is in good working order, then the problem might...Aimed to ensure your vehicle will start first time back againMade to stringent OE standards for quality and safety$2,013.02 - $2,599.95
- Dynatech®Aluminum Adapter PlatePontiac Firebird 5.0L with Chevy Small Block Engine 1981, Aluminum Adapter Plate by Dynatech®. These Small Block Chevy to Stahl Aluminum Adapter Plate Kits allow you to use a larger tube size to maximize power. The Standard Chevy bolt...Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains$176.99
- Dynatech®Stainless Steel 604 Crate Engine Dirt Late Model Exhaust HeadersPontiac Firebird With Chevy Small Block Engine 1981, Stainless Steel 604 Crate Engine Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". These Stainless Steel 604 Crate...Engineered for 604 Crate enginesGaskets and bolts included$999.99
- Dynatech®Stainless Steel Natural Weld-up Dragster Exhaust Header KitPontiac Firebird 5.0L with Chevy Small Block Engine 1981, Stainless Steel Natural Weld-up Dragster Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.875"-2". Color: Natural. Header Coating: Uncoated. These Long Tube Big Block...Tack-welded to make it easy to change or finish weldCNC laser-cut flanges$429.99
- Flowtech®409 SS Natural Upright Exhaust HeadersPontiac Firebird 4.4L / 5.0L 1981, Natural 409 SS Upright Exhaust Headers by Flowtech®. Collector Outlet Diameter: 3". Color: Silver. Header Coating: Uncoated. Flowtech Headers are the perfect combination of quality and value....Consistent tubing diameters for smooth flowIncreases the cylinder scavenging effect and improves engine breathing$339.95 - $340.95
- Flowtech®Aluminum Header Gasket SetPontiac Firebird 4.4L / 5.0L 1981, Aluminum Header Gasket Set by Flowtech®. 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...Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life$14.95
- Flowtech®Mild Steel Long Tube Exhaust HeadersPontiac Firebird 1981, Mild Steel Long Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Long Tube. Include all mounting hardware. What happens when you're doing a custom...Mandrel-formed Power Plenum collectors for low backpressureLong transition collectors with merge spears for maximum flow and increased exhaust velocity$193.95 - $407.95
- Flowtech®Real-Seal™ Aluminum Exhaust Header GasketsPontiac Firebird 4.4L / 5.0L 1981, Real-Seal™ Aluminum Exhaust Header Gaskets by Flowtech®. Flowtech REAL-SEAL header and collector gaskets are a revolutionary break-through in exhaust sealing technology. Constructed of separate...Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out$74.95
- Hooker®BlackHeart™ 304 SS Natural Long Tube Super Competition Exhaust HeadersPontiac Firebird 1981, BlackHeart™ Natural 304 SS Long Tube Super Competition Exhaust Headers by Hooker®. Collector Outlet Diameter: 3". Color: Natural. Header Coating: Uncoated. Header Style: Long Tube. Designed and intended for...Installation with half-height mounts will likely require modification to vehicle floor panelsCompatible only with stock height subframe/body mounts$1,217.95 - $1,343.95
- Hooker®BlackHeart™ Exhaust HeadersPontiac Firebird 1981, BlackHeart™ Exhaust Headers by Hooker®. Hooker continues to push the boundaries of performance with the new Blackheart line of performance exhaust headers for popular late model vehicles.This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing VehiclesConstructed of lightweight mandrel bent 304 stainless steel primary tubes wtih a large 3" diameter outlet tube maximizing strength and durability$518.95 - $2,149.95
- Hooker®Competition™ Long Tube Exhaust HeadersPontiac Firebird 1981, Competition™ Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Long Tube. This product is made of high-quality materials to serve you for years...5/16” machined flanges for a perfect sealLight weight & sturdy 16-gauge tubing$241.95 - $861.95
- Hooker®Competition™ Performance Mid-Length Tube Exhaust HeadersPontiac Firebird 1981, Competition™ Performance Mid-Length Tube Exhaust Headers by Hooker®. Header Style: Mid-Length Tube. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Premium fitment with optimized ground clearanceLaser cut 0.375” flanges with flat-finished TIG welded port sealing$534.95 - $724.95
- Hooker®Competition™ Short Tube Exhaust HeadersPontiac Firebird 1981, Competition™ Short Tube Exhaust Headers by Hooker®. Collector Outlet Diameter: 3". Header Style: Short Tube. This product is made of high-quality materials to serve you for years to come. Designed using...Expertly crafted from premium materialsDesigned to match rigorous quality standards$229.95 - $572.95
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1981 Pontiac Firebird Models
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