1978 GMC P-Series Performance Headers

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    • (0 reviews)
      # 448404968
      GMC P35 1978, Stainless Steel Turbo Exhaust Headers by Stainless Works®. Emissions: EPA compliant. Color: Silver. Header Coating: Uncoated. This superior product is made from high-grade stainless steel to ensure excellent quality...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $1,320.50
    • (0 reviews)
      # 496397096
      GMC P-Series 5.7L 1978, Block Hugger Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Emissions: EPA compliant. Header Style: Short Tube. Flowtech Headers are the perfect combination...
      Tight fit block hugger design for popular hot rod and street rodsHeavy duty 16-gauge tubing for increased strength and durability
      $207.95 - $310.95
    • (0 reviews)
      # 496211413
      GMC P-Series 5.7L 1978, Ram Horn Exhaust Manifold by Flowtech®. Collector Outlet Diameter: 2.25". Emissions: EPA compliant. Flowtech exhaust manifolds are the perfect combination of quality and value. This Rams horn exhaust...
      Maximum engine clearance and maximum strengthSmooth transition, 1-5/8” diameter primaries are used for increased exhaust flow increasing performance and improving throttle response
      +1
      $207.95 - $310.95
    • (0 reviews)
      # 496393098
      GMC P-Series 1978, Stainless Steel Upright Exhaust Headers by Flowtech®. Emissions: EPA compliant. Flowtech Headers are the perfect combination of quality and value. Mandrel-bent tubes provide consistent tubing diameters for...
      Consistent tubing diameters for smooth flowIncreases the cylinder scavenging effect and improves engine breathing
      $219.95 - $339.95
    • (0 reviews)
      # 346380099
      GMC P-Series 5.7L With Angle or Straight Plug Heads With Chevy Small Block Engine 1978, Black Painted Dirt Late Model Exhaust Headers by Dynatech®. Finish: Black Painted. These Long Tube Dirt Late Model Headers are designed for use...
      Gaskets and bolts includedMachine surfaced flanges - no leaks
      $309.99 - $319.99
    • (0 reviews)
      # mpn358945592
      GMC P-Series 5.7L With Chevy Small Block Engine 1978, Black Painted Economy Crossover Exhaust Headers by Dynatech®. Finish: Black Painted. These Economy Chevy Crossover Headers are designed for use with a variety of engines and...
      Non-equal length design gives flat torque curve for slick tracksValve covers can be removed with header installed
      $299.99
    • (0 reviews)
      # 346380102
      GMC P-Series 5.7L With Chevy Small Block Engine 1978, Black Painted Long Tube Pavement Late Model Exhaust Headers by Dynatech®. Collector Length: 7.50". Finish: Black Painted. Header Style: Long Tube. These Long Tube Pavement Late...
      35” Equal Length primaries for maximum Torque and HorsepowerValve covers are removable with headers installed
      $389.99 - $399.99
    • (0 reviews)
      # mpn358945598
      GMC P-Series 5.7L With Angle or Straight Plug Heads With Chevy Small Block Engine 1978, IMCA Modified Mild Steel Black Painted Exhaust Headers by Dynatech®. Finish: Black Painted. These Small Block Chevy Modified Headers have been...
      Made of High Quality MaterialsGaskets and bolts included
      $269.99
    • (1 review)
      # mpn358945588
      GMC P-Series 5.7L With Chevy Small Block Engine 1978, IMCA Southern Sport Mod Mild Steel Black Painted Exhaust Headers by Dynatech®. Collector Length: 7.75". Finish: Black Painted. These Small Block Chevy IMCA Southern Sport Mod...
      Engineered for 602 Crate enginesGaskets and bolts included
      $229.99
    • (0 reviews)
      # 346380105
      GMC P-Series 5.7L With Chevy Small Block Engine 1978, Mid Length Modified Exhaust Headers by Dynatech®. These Mid Length Modified Headers have been designed for use with straight or angle plug heads.
      Fits angle or straight plug heads.Gaskets and bolts included.
      $239.99 - $309.99
    • (0 reviews)
      # 231115293
      GMC P-Series With Chevy Small Block Engine 1978, Mild Steel 604 Crate Engine Dirt Late Model Exhaust Header Kit by Dynatech®. These 604 Crate Engine Dirt Late Model Headers have been designed specifically for use with 604 Crate...
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $379.99
    • (0 reviews)
      # 346380117
      GMC P-Series 5.7L With Chevy Small Block Engine 1978, Mild Steel Black Painted Stock Clip Exhaust Headers by Dynatech®. Collector Outlet Diameter: 3". Finish: Black Painted. These Small Block Chevy IMCA Southern Sport Mod Headers...
      Fits standard Chevy engines with angle or straight plug headsGaskets and bolts included
      $249.99 - $309.99
    • (1 review)
      # mpn358945662
      GMC P-Series 5.7L With Chevy Small Block Engine 1978, Pro Cruiser Polished Street Rod Small Block Block Hugger Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Finish: Polished. Comes...
      Improves Performance and Appearance100% stainless steel construction
      $299.99
    • (0 reviews)
      # 231115321
      GMC P-Series With Chevy Small Block Engine 1978, Stainless Steel 604 Crate Engine Dirt Late Model Exhaust Headers by Dynatech®. These Stainless Steel 604 Crate Engine Dirt Late Model Header Kits have been designed specifically for...
      Engineered for 604 Crate enginesGaskets and bolts included
      $924.99 - $1,062.49
    • (0 reviews)
      # 231128432
      GMC P-Series 7.4L With Chevy Big Block Engine 1978, Stainless Steel Long Tube Exhaust Headers by Dynatech®. Header Style: Long Tube. These Long Tube Dragster Headers are designed with looks and performance in mind.
      CNC laser cut flanges feature raised port location for increased powerUnique port gussets eliminate cracking caused by tire shake and muffler applications
      $739.99 - $1,489.98
    • (0 reviews)
      # 346380111
      GMC P-Series 1978, Stainless Steel Natural Weld-up Dragster Exhaust Header Kit by Dynatech®. Finish: Natural. Designed specifically for strut type front end cars and dragsters, this kit allows you to fabricate your own headers to...
      Tack-welded to make it easy to change or finish weldCNC laser-cut flanges, gaskets and bolts included
      $349.99
    • (0 reviews)
      # 466160518
      GMC P-Series 5.7L 1978, Exhaust Headers by Advance Adapters®. 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
      $269.10 - $399.01
    • (0 reviews)
      # 378646574
      GMC P25 / P35 1978, Fenderwell Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". This superior Patriot EXhaust product is just for you. Carefully designed for maximum...
      Expertly crafted from premium materialsQuality design and workmanship
      $292.24 - $562.30
    • (0 reviews)
      # 378646549
      GMC P25 / P35 1978, Full-Length Exhaust Headers by Patriot Exhaust®. Collector Outlet Diameter: 3". This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your...
      Expertly crafted from premium materialsQuality design and workmanship
      $309.50 - $666.38
    • (0 reviews)
      # 378646631
      GMC P-Series 5.7L 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...
      Expertly crafted from premium materialsQuality design and workmanship
      $270.89 - $546.14
    • (0 reviews)
      # mpn358950119
      GMC P-Series 5.7L With Small Block Chevy Engine 1978, Steel Raw Bucket Sprint Car Style Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA compliant. Finish: Raw....
      Expertly crafted from premium materialsQuality design and workmanship
      $248.74
    • (0 reviews)
      # 336850544
      GMC P-Series 1978, Steel Tight Tuck Street Rod Exhaust Headers by Patriot Exhaust®. Emissions: EPA compliant. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just...
      Expertly crafted from premium materialsQuality design and workmanship
      $201.73 - $528.88
    • (0 reviews)
      # 378646615
      GMC P-Series 5.7L 1978, Street Rod Sprint 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...
      Expertly crafted from premium materialsQuality design and workmanship
      $259.31 - $502.42
    • (0 reviews)
      # mpn358950110
      GMC P-Series 7.4L With Big Block Chevy Engine 1978, Tri-5 Steel Raw Mid-Length Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 2". Collector Outlet Diameter: 3.5". Emissions: EPA compliant. Finish: Raw. Color: Gray....
      Expertly crafted from premium materialsQuality design and workmanship
      $258.55
    • (0 reviews)
      # 344900744
      GMC P-Series 5.7L 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 appreciates. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $699.45
    • (0 reviews)
      # 344900774
      GMC P-Series 5.7L 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 product...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $301.92
    • (0 reviews)
      # mpn359116081
      GMC P-Series 5.7L 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 that...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $144.22
    • (0 reviews)
      # mpn359116142
      GMC P-Series 7.4L With Chevy Big Block Engine 1978, Dyno Sprint Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 2.125". Collector Length: 13". This top-notch product by Schoenfeld Headers is made to give that extra...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $340.88
    • (0 reviews)
      # 344900769
      GMC P-Series 5.7L 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. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $167.23 - $212.02
    • (0 reviews)
      # mpn359116120
      GMC P-Series 5.7L With Chevy Small Block Engine 1978, Steel 180 Crossover Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". This top-notch product by Schoenfeld Headers is made...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $271.78
    • (0 reviews)
      # mpn359116012
      GMC P-Series 5.7L 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 driver...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $133.12
    • (0 reviews)
      # 346380108
      GMC P-Series 5.7L With Chevy Small Block Engine / With LS-Based Engines 1978, MuscleMAXX Stainless Steel Natural Header Reducer Cone Kit by Dynatech®. Finish: Natural. Material: Stainless Steel. Dynatech® reducer cone kits for...
      Made of High Quality MaterialsBuilt to Last
      $139.99
    • (0 reviews)
      # mpn358582413
      GMC P-Series 5.7L 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)
      # mpn358957196
      GMC P-Series 7.4L With Big Block Chevy Engine 1978, Steel Core Laminate Exhaust Gasket Set by AFR®. Material: Steel Core Laminate. This product is made of high-quality materials to serve you for years to come. Designed using...
      Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes
      $25.87
    • (0 reviews)
      # 378646578
      GMC P35 1978, Exhaust Collector Kit by Patriot Exhaust®. These kits work great for racers who need to build custom headers when a specific fit header is not available. This superior Patriot EXhaust product is just for you....
      Expertly crafted from premium materialsQuality design and workmanship
      $300.55 - $437.00
    • (0 reviews)
      # 344900786
      GMC P-Series 1978, Header Flanges by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is designed with utmost care and meticulous...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $47.47 - $53.42
    • (0 reviews)
      # 360144043
      GMC P-Series 1978, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Material: Steel. Includes: Header Flanges, Collector Flanges, Block-Off Plates, Four Exhaust Hookup Flanges, Pre-Bent Header Tubes and Two Collector Cones....
      Perfect blend of style, quality, and dependabilityGive your rod a nostalgic look
      $224.77 - $265.51
    • (0 reviews)
      # mpn358945752
      GMC P-Series 5.7L 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
      $159.99
    • (0 reviews)
      # mpn358945740
      GMC P-Series 5.7L With Chevy Small Block Engine 1978, Exhaust Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to fit a wide variety...
      Made of High Quality MaterialsBuilt to Last
      $15.99
    • (0 reviews)
      # mpn358945741
      GMC P-Series 5.7L With Chevy Small Block Engine 1978, Exhaust Gasket Kit by Dynatech®. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to fit a wide variety...
      Made of High Quality MaterialsSold in Pairs
      $17.79
    • (0 reviews)
      # mpn358945745
      GMC P-Series 5.7L 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. Specifically...
      Made of High Quality MaterialsNo Leaks
      $15.99
    • (0 reviews)
      # 346380123
      GMC P-Series 1978, Graph-Flex Header Flange Gaskets by Taylor Cable®. Taylor Cable makes exhaust manifold and collector gaskets that will withstand the temperatures generated by turbocharged motors, and exhaust gas temperature...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $23.97
    • (0 reviews)
      # 346380136
      GMC P-Series 1978, Graph-Flex™ Exhaust Header Gaskets by Taylor Cable®. 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)
      # 346380184
      GMC P-Series 1978, HTR Collector Gaskets by Taylor Cable®. 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
      $20.43 - $22.34
    • (0 reviews)
      # 346380155
      GMC P-Series 5.7L 1978, Seal-4-Good™ Aluminum Header Flange Gaskets by Taylor Cable®. Material: Aluminum. Taylor Cable makes exhaust manifold and collector gaskets that will withstand the temperatures generated by turbocharged...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $35.11
    • (0 reviews)
      # 346380169
      GMC P-Series 1978, Seal-4-Good™ Exhaust Header Gaskets by Taylor Cable®. 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
      $35.11 - $38.62
    • (0 reviews)
      # 346380162
      GMC P-Series 1978, Seal-4-Good™ Header Flange Gaskets by Taylor Cable®. 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $35.11
    • (0 reviews)
      # 346380201
      GMC P-Series 1978, XX Carbon™ Exhaust Header Gaskets by Taylor Cable®. 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
      $19.54 - $21.77
    • (0 reviews)
      # 346380229
      GMC P-Series 1978, XX Carbon™ Header Flange Gaskets by Taylor Cable®. Taylor Cable makes exhaust manifold and collector gaskets that will withstand the temperatures generated by turbocharged motors, and exhaust gas temperature...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $21.77
    • (0 reviews)
      # mpn584600114
      GMC P-Series 5.7L With Small Block Chevy Engine 1978, Spread Port Exhaust Gasket by Brodix®. The Brodix Exhaust Gaskets are specifically engineered to fit the precise dimensions of Brodix cylinder heads. When the competition is on...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $15.59
    • (0 reviews)
      # 466144485
      GMC P-Series 1978, MLS Exhaust Header Gasket by Cometic Gasket®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....
      Made of High Quality MaterialsBuilt to Last
      $19.12 - $38.69
    • (0 reviews)
      # 564717713
      GMC P-Series 1978, MLS Exhaust Manifold Gasket by Cometic Gasket®. This state-of-the-art exhaust product combines advanced materials with the most current manufacturing processes to provide custom-tailored solutions for your needs...
      Backed by unsurpassed quality and solid workmanshipWill deliver exceptional performance you expect to get
      $36.81 - $38.69
    • (0 reviews)
      # mpn358587986
      GMC P25 / P35 5.7L 1978, Header Gasket by Howe Racing Enterprises®.
      High quality at an affordable priceExpertly made from premium materials
      $11.93
    • (0 reviews)
      # 336850539
      GMC P-Series 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 with gaskets and header bolts on most...
      Precision machined flangeBuilt of High quality materials
      $46.20 - $62.71
    • (0 reviews)
      # 346380149
      GMC P-Series 1978, Soft Conforming Aluminum Header Gasket Set by ProForm®. Material: Soft Conforming Aluminum. If you're looking for a top-quality upgrade which will enhance the performance of your vehicle and won't cost you an arm...
      Designed to upgrade your ride's performanceProduced by highly specialized machines to last
      $25.39 - $33.36
    • (0 reviews)
      # mpn3242574663
      GMC P-Series 5.7L 1978, Exhaust Header Gasket 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 exceed...
      Remflex exhaust gaskets come in a standard 1/8" thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16"100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $35.19
    • (0 reviews)
      # 344900780
      GMC P-Series 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 is designed with utmost care and meticulous...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $10.93 - $15.72
    • (0 reviews)
      # 231115353
      GMC P-Series 1978, Vibe-Lock Header Bolt Kit by Taylor Cable®. 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
      $13.77 - $86.29
    • (0 reviews)
      # mpn358950626
      GMC P-Series 5.7L 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 in mind....
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $9.96
    • (0 reviews)
      # 314966416
      GMC P-Series 1978, 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...
      High quality at an affordable priceExpertly made from premium materials
      $15.00 - $102.24




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    1978 GMC P-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.
    DPosted by Don (Corona, CA) / December 28, 2016
    1967 Chevy El Camino
    Was this review helpful for you? Yes

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