1981 GMC P-Series Performance Headers

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    • (0 reviews)
      # 711034588
      GMC P-Series 1981, 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 original parts...
      Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
      $69.37 - $82.06
    • (0 reviews)
      # 710567582
      GMC P-Series 1981, Cast Iron Exhaust Manifold by Dorman®. Position: Passenger Side. Color: Natural. Header Coating: Uncoated. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $95.95 - $111.95
    • (0 reviews)
      # mpn4564004617
      GMC P-Series 5.7L 1981, 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 needs...
      High quality at an affordable priceExpertly made from premium materials
      $241.46
    • (0 reviews)
      # 710817586
      GMC P-Series 5.7L with Angle or Straight Plug Heads with Chevy Small Block Engine 1981, Dirt Late Model Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Color: Black. Header Coating:...
      Gaskets and bolts includedMachine surfaced flanges - no leaks
      $319.99 - $365.99
    • (0 reviews)
      # 710586586
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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". Color: Black. Header...
      35” Equal Length primaries for maximum Torque and HorsepowerValve covers are removable with headers installed
      $399.99 - $444.99
    • (0 reviews)
      # 711125584
      GMC P-Series with Chevy Small Block Engine 1981, Mild Steel 604 Crate Engine Dirt Late Model Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.625"-1.75". Collector Outlet Diameter: 3". These 604 Crate Engine Dirt Late Model...
      Delivers a huge boost in performance and an awesome soundRigorously dyno-tested to provide maximum horsepower and torque gains
      $379.99
    • (1 review)
      # mpn4564003252
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, Pro Cruiser Street Rod Small Block Block Hugger Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Comes standard with a Full One Year...
      Improves Performance and Appearance100% stainless steel construction
      $299.99
    • (0 reviews)
      # 710758579
      GMC P-Series 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 Engine...
      Engineered for 604 Crate enginesGaskets and bolts included
      $1,062.49
    • (0 reviews)
      # 711149589
      GMC P-Series 7.4L with Chevy Big Block Engine 1981, 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 - $1,399.99
    • (0 reviews)
      # 710834598
      GMC P-Series 1981, Stainless Steel Weld-up Dragster Exhaust Header Kit by Dynatech®. Color: Natural. Header Coating: Uncoated. Designed specifically for strut type front end cars and dragsters, this kit allows you to fabricate your own...
      Tack-welded to make it easy to change or finish weldCNC laser-cut flanges, gaskets and bolts included
      $399.99
    • (0 reviews)
      # 705456449
      GMC P-Series 1981, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Material: Steel. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and...
      Perfect blend of style, quality, and dependabilityGive your rod a nostalgic look
      $229.26 - $270.62
    • (0 reviews)
      # 378637767
      GMC P3500 1981, Race Style Exhaust Header Weld-Up 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...
      Expertly crafted from premium materialsQuality design and workmanship
      $306.56 - $445.53
    • (0 reviews)
      # 710566591
      GMC P-Series 5.7L 1981, 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 performance,...
      Expertly crafted from premium materialsQuality design and workmanship
      +1
      $255.91 - $556.88
    • (0 reviews)
      # 378637748
      GMC P2500 / P3500 1981, 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...
      Expertly crafted from premium materialsQuality design and workmanship
      $315.49 - $679.49
    • (0 reviews)
      # mpn4564003404
      GMC P-Series 5.7L with Small Block Chevy Engine 1981, Steel Long Tube Bucket Sprint Car Style Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Color: Gray. Header Coating: Uncoated....
      Expertly crafted from premium materialsQuality design and workmanship
      $236.01
    • (0 reviews)
      # 710769580
      GMC P-Series 1981, Steel Tight Tuck Street Rod Exhaust Headers 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...
      Expertly crafted from premium materialsQuality design and workmanship
      $205.77 - $539.96
    • (0 reviews)
      # 711050587
      GMC P-Series 5.7L 1981, 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
      $264.28 - $512.24
    • (0 reviews)
      # mpn4564004043
      GMC P-Series 7.4L with Big Block Chevy Engine 1981, Tri-5 Steel Mid-Length Tube Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 2". Collector Outlet Diameter: 3.5". Color: Gray. Header Coating: Uncoated. Header Style:...
      Expertly crafted from premium materialsQuality design and workmanship
      $261.90
    • (0 reviews)
      # 710556596
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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)
      # 710884588
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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 is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.11 - $297.76
    • (0 reviews)
      # mpn4564003611
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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 every...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $144.22
    • (0 reviews)
      # 710568588
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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. This product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $720.76
    • (0 reviews)
      # mpn4564006037
      GMC P-Series 7.4L with Chevy Big Block Engine 1981, 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
      $312.33
    • (0 reviews)
      # 710905573
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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 designed with...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $192.74 - $285.56
    • (0 reviews)
      # 710603594
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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 product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $167.23 - $379.85
    • (0 reviews)
      # 710949575
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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 product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $167.23 - $212.02
    • (0 reviews)
      # 711002581
      GMC P-Series 1981, Sprint Car 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 is designed with utmost care and meticulous...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $239.03 - $666.21
    • (0 reviews)
      # mpn4564002952
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, Steel 180 Crossover Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Coating: Painted. This top-notch product by...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $271.78
    • (0 reviews)
      # 710545967
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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 product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $599.72 - $702.28
    • (0 reviews)
      # mpn4564003631
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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)
      # mpn4530157521
      GMC P-Series 5.7L 1981, 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)
      # 710992584
      GMC P-Series 7.4L 1981, 3-Bolt Exhaust Flange by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose...
      Makes installation quick and easyOptimal OE-style fit and quality
      $5.68
    • (0 reviews)
      # 710888583
      GMC P-Series 5.7L with Chevy Small Block Engine / with LS-Based Engines 1981, MuscleMAXX Stainless Steel Header Reducer Cone Kit by Dynatech®. Material: Stainless Steel. Dynatech® reducer cone kits for MuscleMaxx headers. Reducers bolt...
      Made of High Quality MaterialsBuilt to Last
      $139.99 - $160.99
    • (0 reviews)
      # mpn358582413
      GMC P-Series 5.7L 1981, 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 specifically...
      High quality at an affordable priceExpertly made from premium materials
      $115.02
    • (0 reviews)
      # 710857589
      GMC P-Series 1981, 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 attention to...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $47.47 - $53.42
    • (0 reviews)
      # mpn4544838197
      GMC P-Series 7.4L with Big Block Chevy Engine 1981, 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
      $25.95
    • (0 reviews)
      # 1092016825
      GMC P-Series 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 lifestyle,...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $3.36 - $5.56
    • (0 reviews)
      # 711109587
      GMC P-Series 1981, Exhaust Manifold Gasket Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest quality to provide...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $4.12 - $10.27
    • (0 reviews)
      # 711183594
      GMC P-Series 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 gaskets...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $5.91 - $26.81
    • (0 reviews)
      # 711112591
      GMC P-Series 1981, Exhaust Header Copper Gasket by Big End Performance®. This Big End Performance product is just the option for you in case you want to get the most out of your auto. It is made from first-rate materials to provide the...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $34.05 - $44.25
    • (0 reviews)
      # mpn584600114
      GMC P-Series 5.7L with Small Block Chevy Engine 1981, 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 is...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $15.59
    • (0 reviews)
      # 902283999
      GMC P-Series 1981, 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 resist...
      Made of High Quality MaterialsBuilt to Last
      $19.13 - $38.69
    • (0 reviews)
      # 564608749
      GMC P-Series 1981, 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 - $38.69
    • (0 reviews)
      # mpn358945752
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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 P-Series 5.7L with Chevy Small Block Engine 1981, Fiber Exhaust Header Gasket by Dynatech®. Material: Fiber. Dynatech Fiber Race Gaskets are the premium gaskets demanded by many enthusiasts and racers alike. Specifically designed to...
      Made of High Quality MaterialsNo Leaks
      $15.99
    • (0 reviews)
      # mpn358945740
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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 fit a...
      Made of High Quality MaterialsBuilt to Last
      $18.29
    • (0 reviews)
      # mpn358945741
      GMC P-Series 5.7L with Chevy Small Block Engine 1981, 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 fit...
      Made of High Quality MaterialsSold in Pairs
      $15.99
    • (0 reviews)
      # mpn358587986
      GMC P2500 / P3500 5.7L 1981, 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
      $11.79
    • (0 reviews)
      # 710650575
      GMC P-Series 1981, 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 applications....
      Precision machined flangeBuilt of High quality materials
      $44.03 - $67.69
    • (0 reviews)
      # 710633569
      GMC P-Series 1981, 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)
      # 711197602
      GMC P-Series 1981, 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)
      # 711049590
      GMC P-Series 1981, 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 to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $16.86 - $18.77
    • (0 reviews)
      # 710854590
      GMC P-Series 5.7L 1981, 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...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $35.11
    • (0 reviews)
      # 710698583
      GMC P-Series 1981, 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)
      # 711017585
      GMC P-Series 1981, Seal-4-Good™ 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)
      # 710956579
      GMC P-Series 1981, XX Carbon™ Exhaust Header 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
      $19.16 - $21.77
    • (0 reviews)
      # 710994575
      GMC P-Series 1981, 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)
      # 711113577
      GMC P-Series 1981, 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 and...
      Designed to upgrade your ride's performanceProduced by highly specialized machines to last
      $24.93 - $31.84
    • (0 reviews)
      # 841642828
      GMC P-Series 5.7L 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, where temperatures routinely exceed 2,000...
      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
      $29.20 - $30.20
    • (0 reviews)
      # 710594583
      GMC P-Series 1981, 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




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