1974 Pontiac Firebird Exhaust Headers & Manifolds
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Doug Thorley Headers®Exhaust Header Flange KitPontiac Firebird 1974, Exhaust Header Flange Kit by Doug Thorley Headers®. 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...Driven by a passion for performance and superior qualityDesigned to maximize horsepower and torque of your vehicle$31.05 - $38.07 - Doug Thorley Headers®Steel Long Tube 3-1 Exhaust Headers with AdaptersPontiac Firebird Trans Am Transmission 1974, Steel Long Tube 3-1 Exhaust Headers with Adapters by Doug Thorley Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Header Style: Long Tube. Backed by over 50 years of...High quality at an affordable priceExpertly made from premium materials$848.83
- Dynatech®Aluminum Adapter PlatePontiac Firebird 6.6L with Chevy Small Block Engine 1974, 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 1974, 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 6.6L with Chevy Small Block Engine 1974, 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 5.7L 1974, 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. Mandrel-bent...Consistent tubing diameters for smooth flowIncreases the cylinder scavenging effect and improves engine breathing$339.95 - $340.95
- Flowtech®Aluminum Header Gasket SetPontiac Firebird 1974, 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 product by...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 1974, Mild Steel Long Tube Exhaust Headers by Flowtech®. Header Style: Long Tube. Include all mounting hardware. What happens when you're doing a custom installation, or if you want to do a show-quality job with no...Mandrel-formed Power Plenum collectors for low backpressureLong transition collectors with merge spears for maximum flow and increased exhaust velocity$269.95 - $484.95
- Flowtech®Real-Seal™ Aluminum Exhaust Header GasketsPontiac Firebird 5.7L 1974, 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 layers of...Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out$74.95
- Hooker®BlackHeart™ 304 SS Exhaust HeadersPontiac Firebird 1974, BlackHeart™ 304 SS 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$903.95 - $2,149.95
- Hooker®BlackHeart™ 304 SS Long Tube Super Competition Swap Exhaust HeadersPontiac Firebird 1974, BlackHeart™ 304 SS Long Tube Super Competition Swap Exhaust Headers by Hooker®. Collector Outlet Diameter: 3". Header Style: Long Tube. Designed and intended for installation only with Hooker LS swap engine...Installation with half-height mounts will likely require modification to vehicle floor panelsCompatible only with stock height subframe/body mounts$1,249.95
- Hooker®Competition™ Performance Mid-Length Tube Exhaust HeadersPontiac Firebird 1974, 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™ Steel Long Tube Exhaust HeadersPontiac Firebird 5.7L / 6.6L / 7.5L 1974, Competition™ Steel Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Collector Length: 8". Header Style: Long Tube. All necessary hardware...5/16” machined flanges for a perfect sealLight weight & sturdy 16-gauge tubing$314.95 - $662.95
- Hooker®RacingHeart™ Street Stock Exhaust HeadersPontiac Firebird 5.7L / 6.6L / 7.5L with Small Block Chevy Engine 1974, RacingHeart™ Street Stock Exhaust Headers by Hooker®. Hooker Adjustable race headers allow you to change your header primary tube lengths, collector lengths and...Most Durable AvailableProvides Finest Fit$245.95 - $315.95
- Hooker®Super Competition™ Cast Iron Exhaust ManifoldPontiac Firebird With LS Swap Engine 1974, Super Competition™ Cast Iron Exhaust Manifold by Hooker®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.50". Hooker cast iron exhaust manifolds have been designed to hug close...Free-flowing for good performance and catalytic converter efficiency304 stainless steel mating flanges included (mating flange fasteners are not included)$439.95 - $589.95
- Hooker®Super Competition™ Long Tube Exhaust HeadersPontiac Firebird 1974, Super Competition™ Long Tube Exhaust Headers by Hooker®. Header Style: Long Tube. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...Light weight & sturdy 18 gauge tubing5/16” machined flanges for a perfect seal$688.95 - $1,286.95
- Hooker®Super Competition™ Steel Silver Metallic Ceramic Coated Short Tube Block Hugger Exhaust HeadersPontiac Firebird R Engine VIN Character 1974, Super Competition™ Steel Silver Metallic Ceramic Coated Short Tube Block Hugger Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Color: Silver....Designed for optimal performanceIndustry’s best welds for durability$617.95
- Milodon®Header BoltsPontiac Firebird 6.6L with Chevy Small Block Engine 1974, Header Bolts by Milodon®. Enjoy superior performance by getting this premium-grade Milodon product that is throughly engineered to help take the performance of your exhaust...Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology$12.95
- Moroso®Aluminum Header Flange KitPontiac Firebird 6.6L 1974, Aluminum Header Flange Kit by Moroso®. With this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. This Moroso part is specifically engineered to...Aluminum plates simplify the task of matching exhaust ports to large tube, dual flange headers on enginesOnly 3/8" thick to save weight$151.99
- Mr. Gasket®410 stainless steel Polished Header Bolt SetPontiac Firebird 5.7L / 6.6L / 7.5L 1974, 410 stainless steel Polished Header Bolt Set by Mr. Gasket®. Color: Silver. Header Coating: Uncoated. Whatever exhaust system you install on your engine, whether it’s a set of chromed headers...Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started410 stainless steel$44.95
- PCE®Exhaust HeadersPontiac Firebird 5.7L 1974, Exhaust Headers by PCE®. Primary Tubing Diameter: 1 3/4". Collector Outlet Diameter: 3". Color: Silver. Header Coating: Uncoated. This top-grade product is expertly made in compliance with stringent industry...Created by professionals to meet your requirementsSuperior longevity and dependability$175.70 - $276.90
- Trans-Dapt®Small Head Exhaust Header BoltsPontiac Firebird R Engine VIN Character with Small Block Chevy Engine 1974, Small Head Exhaust Header Bolts by Trans-Dapt®. This Trans-Dapt product is just the option for you in case you want to get the most out of your auto. It is made...High quality at an affordable priceExpertly made from premium materials$10.82
- Trans-Dapt®Standard Head Exhaust Header BoltsPontiac Firebird R Engine VIN Character with Small Block Chevy Engine 1974, Standard Head Exhaust Header Bolts by Trans-Dapt®. This Trans-Dapt product is just the option for you in case you want to get the most out of your auto. It is...High quality at an affordable priceExpertly made from premium materials$12.01
- Edelbrock®Exhaust Gasket SetPontiac Firebird 5.7L / 7.5L 1974, 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$30.95
- Big End Performance®Exhaust Header Copper GasketsPontiac Firebird 5.7L / 6.6L / 7.5L with Pontiac Engine 1974, Exhaust Header Copper Gaskets by Big End Performance®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Designed to boost your vehicle's performanceMade from high-quality materials$40.69
- Brodix®Spread Port Exhaust Header GasketPontiac Firebird 6.6L with Small Block Chevy Engine 1974, Spread Port Exhaust Header Gasket by Brodix®. The Brodix Exhaust Gaskets are specifically engineered to fit the precise dimensions of Brodix cylinder heads. When the competition...Designed to boost your vehicle's performanceMade from high-quality materials$17.21
- Dynatech®Spread Port Exhaust Header Gasket KitPontiac Firebird 6.6L with Chevy Small Block Engine 1974, Spread Port Exhaust Header Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to...Made of High Quality MaterialsBuilt to Last$19.99
- Dynatech®Standard Port Exhaust Header Gasket KitPontiac Firebird 6.6L with Chevy Small Block Engine 1974, Standard Port Exhaust Header Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to...Made of high quality materialsBuilt to match your exact requirements$19.99
- Hooker®Super Competition™ Fiber Exhaust Header GasketPontiac Firebird 5.7L / 6.6L / 7.5L 1974, Super Competition™ Fiber Exhaust Header Gasket by Hooker®. Hooker's precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This OEM quality gasket...Precision fit for improved sealingSteel core provides superior adhesion$18.95
- Howe Racing Enterprises®Header GasketPontiac Firebird 6.6L 1974, Header Gasket by Howe Racing Enterprises®. Designed utilizing the latest technology, this product by Howe Racing Enterprises® features premium quality and will perform better than advertised. Perfect for...High quality at an affordable priceExpertly made from premium materials$11.36
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