1978 GMC G-Series Performance Headers

Show items:
Sort by:
Select Engine
  • Select Engine
  • 4.1L
  • 4.8L
  • 5.0L
  • 5.7L
  • 6.6L
    • (0 reviews)
      # 496461090
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, 409 SS Upright Exhaust Headers by Flowtech®. Collector Outlet Diameter: 3". Emissions: Racing Only. Color: Silver. Header Coating: Uncoated. Flowtech Headers are the perfect combination of quality...
      $226.95 - $247.95
    • (0 reviews)
      # 96409912
      GMC G-Series with Power Steering 1978, Standard Duty Mild Steel Long Tube Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: CARB compliant. Header Style: Long Tube. The...
      $305.35 - $662.59
    • (0 reviews)
      # 1154679800
      GMC G-Series without Smog Injection or Injection Heads with Power Steering 1978, Standard Duty Mild Steel Long Tube Racing Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions:...
      $247.85 - $523.25
    • (0 reviews)
      # 231092448
      GMC G-Series 5.0L / 5.7L / 6.6L with Angle or Straight Plug Heads with Chevy Small Block Engine 1978, Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Emissions:...
      $319.99
    • (0 reviews)
      # 231092493
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Long Tube Pavement Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Collector Length: 7.50". Emissions:...
      $399.99 - $444.99
    • (0 reviews)
      # 231092439
      GMC G-Series with Chevy Small Block Engine 1978, Mild Steel 604 Crate Engine Dirt Late Model Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". Emissions: Racing Only. These 604 Crate...
      $379.99
    • (1 review)
      # mpn358945662
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Pro Cruiser Street Rod Small Block Block Hugger Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Emissions: Racing Only....
      Improves Performance and Appearance100% stainless steel construction
      $299.99
    • (0 reviews)
      # 231092515
      GMC G-Series with Chevy Small Block Engine 1978, Stainless Steel 604 Crate Engine Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". Emissions: Racing Only. These...
      $924.99
    • (0 reviews)
      # mpn358945683
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Stainless Steel Weld-up Dragster Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.875"-2". Emissions: Racing Only. Color: Natural. Header Coating: Uncoated....
      Tack-welded to make it easy to change or finish weldCNC laser-cut flanges, gaskets and bolts included
      $399.99
    • (0 reviews)
      # mpn4351213861
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Exhaust Headers by Advance Adapters®. Emissions: EPA compliant. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      High quality at an affordable priceExpertly made from premium materials
      $236.62
    • (0 reviews)
      # 91567105
      GMC G-Series 5.0L / 5.7L / 6.6L with Small Block Chevy Engine 1978, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Emissions: Racing Only. Material: Steel. This superior Patriot EXhaust product...
      $229.26 - $237.32
    • (0 reviews)
      # 378622444
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Roadster Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". This superior Patriot EXhaust product is just for you. Carefully designed for maximum...
      +1
      $255.91 - $556.88
    • (0 reviews)
      # 564954726
      GMC G15 / G25 / G35 1978, Steel Long Tube Exhaust Headers by Patriot Exhaust®. Collector Outlet Diameter: 3". Header Style: Long Tube. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is...
      $315.49 - $679.49
    • (0 reviews)
      # mpn358950119
      GMC G-Series 5.0L / 5.7L / 6.6L with Small Block Chevy Engine 1978, Steel Long Tube Bucket Sprint Car Style Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA compliant....
      Expertly crafted from premium materialsQuality design and workmanship
      $236.01
    • (0 reviews)
      # 231092574
      GMC G-Series 5.0L / 5.7L / 6.6L with Small Block Chevy Engine 1978, Steel Tight Tuck Street Rod Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". This superior Patriot Exhaust product is just for you. Carefully...
      $202.89 - $530.71
    • (0 reviews)
      # 378622440
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Street Rod Sprint Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA compliant. This superior Patriot EXhaust product is just for...
      $264.28 - $512.24
    • (0 reviews)
      # 231299492
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Conventional Crossover Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $699.45
    • (0 reviews)
      # 87332639
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, DIRT Modified Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $301.92
    • (0 reviews)
      # mpn359116081
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Demolition Derby Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". This top-notch product by Schoenfeld Headers is made to give that extra boost...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $144.22
    • (0 reviews)
      # 231299619
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Dirt Late Model Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $240.93 - $720.76
    • (0 reviews)
      # 513370508
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Exhaust Header by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $192.74 - $285.56
    • (0 reviews)
      # 466793650
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, H Style Conventional Crossover Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $245.01 - $292.18
    • (0 reviews)
      # 87332687
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, IMCA Modified Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $154.18 - $379.85
    • (0 reviews)
      # 231300105
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, SBC Chassis Steel Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $167.23 - $212.02
    • (0 reviews)
      # mpn359116120
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Steel 180 Crossover Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Coating: Painted. This top-notch...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $271.78
    • (0 reviews)
      # 231299319
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Steel Sprint Car Exhaust Headers by Schoenfeld Headers®. Emissions: Racing Only. Header Coating: Painted. This top-notch product by Schoenfeld Headers is made to give...
      $240.41 - $647.45
    • (0 reviews)
      # 231319329
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Street Stock Steel Exhaust Headers by Schoenfeld Headers®. Header Coating: Painted. This top-notch product by Schoenfeld Headers is made to give that extra boost that...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $202.38 - $656.83
    • (0 reviews)
      # 87332720
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Tri-Y Modified Exhaust Headers by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $655.84 - $702.28
    • (0 reviews)
      # mpn359116012
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Zoomie Exhaust Headers by Schoenfeld Headers®. Standard Zoomie Grassburner. This top-notch product by Schoenfeld Headers is made to give that extra boost that every...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $133.12
    • (0 reviews)
      # mpn4530157521
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Hugger Style Headers by CFR Performance®. Ceramic coated "HUGGER" style headers. Heavy-duty construction with 1-5/8" tubes and 3/8" thick flange. Includes collector reducers, gaskets and bolts.
      Expertly Crafted from the highest grade materialsBuilt to provide the ultimate in reliability and strength
      $198.29
    • (0 reviews)
      # 231092505
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine / with LS-Based Engines 1978, MuscleMAXX Stainless Steel Header Reducer Cone Kit by Dynatech®. Material: Stainless Steel. Dynatech® reducer cone kits for MuscleMaxx headers....
      Made of High Quality MaterialsBuilt to Last
      $139.99
    • (0 reviews)
      # mpn358582413
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Aluminum Header Flange Kit by Moroso®. Material: Aluminum. 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...
      High quality at an affordable priceExpertly made from premium materials
      $115.02
    • (0 reviews)
      # mpn359115880
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Aluminum Inner Header Flange by Schoenfeld Headers®. Primary Tubing Diameter: 1.25". Material: Aluminum. This top-notch product by Schoenfeld Headers is made to give...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $53.42
    • (0 reviews)
      # mpn583856284
      GMC G-Series 5.0L / 5.7L 1978, Super Competition™ Exhaust Header Gasket by Hooker®. Emissions: Racing Only. Hooker's precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This OEM quality...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.47
    • (0 reviews)
      # mpn306537478
      GMC G-Series 5.0L / 5.7L / 6.6L For Stock Or CNC Ported Heads 1978, 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...
      Provides a long lasting, leak-proof sealFlexible graphite will conform to surface irregularities and won't stick to headers or cylinder head
      $39.99
    • (0 reviews)
      # mpn358945752
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Aluminum Adapter Plate by Dynatech®. Material: Aluminum. These SBC to Stahl Aluminum Adapter Plate Kits allow you to use a larger tube size to maximize power.
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $164.99
    • (0 reviews)
      # mpn358945745
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Fiber Exhaust Header Gasket by Dynatech®. Material: Fiber. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike....
      Made of High Quality MaterialsNo Leaks
      $15.99
    • (0 reviews)
      # mpn358945740
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Spread Port Exhaust Header Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically...
      Made of High Quality MaterialsBuilt to Last
      $18.29
    • (0 reviews)
      # mpn358945741
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Standard Port Exhaust Header Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically...
      Made of High Quality MaterialsSold in Pairs
      $15.99
    • (0 reviews)
      # 102118077
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Exhaust Gasket Set by Mr. Gasket®. Whatever exhaust system you install on your engine, whether it's a set of chromed headers or simply a set of cleaned up flat black rams horn manifolds, you'll need...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $14.04 - $39.05
    • (0 reviews)
      # 1022661113
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Multi-Layered Steel Exhaust Header Gaskets by Mr. Gasket®. Material: Multi-Layered Steel. Whatever exhaust system you install on your engine, whether it's a set of chromed headers or simply a set of...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $17.66
    • (0 reviews)
      # 118583872
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Compressed Ceramic Fiber Exhaust Header Gaskets by Spectre Performance®. Material: Compressed Ceramic Fiber. Rooted in racing, Spectre Performance designs and builds every product with the same goal...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $17.37
    • (0 reviews)
      # mpn584600114
      GMC G-Series 5.0L / 5.7L / 6.6L with Small Block Chevy Engine 1978, 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...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $15.59
    • (0 reviews)
      # 466176500
      GMC G-Series 5.0L / 5.7L 1978, Multi-Layer Steel Exhaust Header Gasket by Cometic Gasket®. Material: Multi-Layer Steel. Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and...
      Made of High Quality MaterialsBuilt to Last
      $19.13 - $35.86
    • (0 reviews)
      # 564657718
      GMC G-Series 1978, Multi-Layer Steel Exhaust Manifold Gasket by Cometic Gasket®. Material: Multi-Layer Steel. This state-of-the-art exhaust product combines advanced materials with the most current manufacturing processes to provide...
      Backed by unsurpassed quality and solid workmanshipWill deliver exceptional performance you expect to get
      $36.81
    • (0 reviews)
      # 245515971
      GMC G-Series 1978, 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 your vehicle...
      High quality at an affordable priceExpertly made from premium materials
      $11.79
    • (0 reviews)
      # 231092562
      GMC G-Series 5.0L / 5.7L / 6.6L with Small Block Chevy Engine 1978, Header Flange Kit by Patriot Exhaust®. Patriot precision machined header flange kits are available for many popular engine families. Header flange kits come complete...
      Precision machined flangeBuilt of High quality materials
      $55.07 - $56.43
    • (0 reviews)
      # 652407865
      GMC G-Series 1978, Graph-Flex Header Flange Gaskets by Percy's High Performance®. Persy's High Performance makes exhaust manifold and collector gaskets that will withstand the temperatures generated by turbocharged motors, and exhaust...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $23.97
    • (0 reviews)
      # 652297836
      GMC G-Series 1978, Graph-Flex™ Exhaust Header Gaskets by Percy's High Performance®. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a premium,...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $21.54 - $23.97
    • (0 reviews)
      # 652343828
      GMC G-Series 1978, HTR Collector Gaskets by Percy's High Performance®. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary Quality. Designed utilizing the latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $16.86 - $18.77
    • (0 reviews)
      # 652806941
      GMC G-Series 1978, Seal-4-Good™ Aluminum Header Flange Gaskets by Percy's High Performance®. Material: Aluminum. Percy's High Performance makes exhaust manifold and collector gaskets that will withstand the temperatures generated by...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $35.11
    • (0 reviews)
      # 378622453
      GMC G-Series 1978, Seal-4-Good™ Exhaust Header Gaskets by Percy's High Performance®. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a premium,...
      Multi-layered for excellent conformability and sealSeals even imperfect flanges
      $33.24 - $35.11
    • (0 reviews)
      # 652454849
      GMC G-Series 1978, Seal-4-Good™ Round Header Flange Gaskets by Percy's High Performance®. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary Quality. Designed...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $35.11
    • (0 reviews)
      # 652718835
      GMC G-Series 1978, XX Carbon™ Header Flange Gaskets by Percy's High Performance®. Persy's High Performance makes exhaust manifold and collector gaskets that will withstand the temperatures generated by turbocharged motors, and exhaust...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $21.77
    • (0 reviews)
      # mpn358493021
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Soft Conforming Aluminum Header Gasket Set by ProForm®. Material: Soft Conforming Aluminum. Made From Soft Conforming Aluminum Material, Easily Mates and Conforms To The Surface Of Exhaust Headers...
      Designed to upgrade your ride's performanceProduced by highly specialized machines to last
      $24.93
    • (0 reviews)
      # 841829833
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, 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, where temperatures routinely...
      Designed to crush 50%.This allows them to fill gaps in the flange surface up to 1/16"3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $30.58 - $35.99
    • (0 reviews)
      # 87332682
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Exhaust Header Gasket by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $10.93 - $15.72
    • (0 reviews)
      # mpn1589347659
      GMC G-Series 5.0L / 5.7L 1978, Header Gasket by RHS®. RHS® offers high quality intake manifold gaskets that are constructed from a silicone-reinforced material for superb sealing characteristics. They are designed for reliable,...
      High quality at an affordable priceExpertly made from premium materials
      $41.79
    • (0 reviews)
      # 231299975
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Header Bolt Set by Mr. Gasket®. Whatever exhaust system you install on your engine, whether it’s a set of chromed headers or simply a set of cleaned up flat black rams horn manifolds, you’ll...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $27.02 - $31.49
    • (0 reviews)
      # mpn358950626
      GMC G-Series 5.0L / 5.7L / 6.6L with Chevy Small Block Engine 1978, Header Bolts by Milodon®. 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...
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $8.83




    1978 GMC G-Series Performance Headers Reviews

    Average rating:  4  4 - 1 review
    4 of 5
    Dynatech® - Polished Street Rod Small Block Block Hugger Exhaust Header
    I Have a 1967 El Camino, I was not able to use these on mine for some reason the collector would hit my cross member on both sides. I have a Chevy 350 motor. I wish they would fit, they look great.
    Posted by Don Coulter (Corona, CA) / December 28, 20161967 Chevy El Camino
    Was this review helpful for you? Yes
    Related 1978 GMC G-Series Pages
    1978 GMC G-Series Models
    Low Prices Price match guarantee
    In-House Experts We know our products
    Guaranteed Fitment Always the correct part
    Easy Returns Quick & Hassle Free

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.

    SECURE SHOPPING