1981 Pontiac LeMans Performance Headers

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    • (0 reviews)
      # 496262335
      Pontiac Grand LeMans / LeMans 4.4L / 5.0L 1981, 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...
      $226.95 - $247.95
    • (0 reviews)
      # mpn630006656
      Pontiac Grand LeMans / LeMans 4.4L / 5.0L 1981, Mild Steel Long Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: Racing Only. Color: Black. Header Coating: Painted. Header...
      Mandrel-formed Power Plenum collectors for low backpressureLong transition collectors with merge spears for maximum flow and increased exhaust velocity
      $155.95
    • (0 reviews)
      # mpn4036603492
      Pontiac LeMans 3.8L 1981, Standard Duty Mild Steel Long Tube Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2". Emissions: CARB compliant. Color: Black. Header Coating: Ceramic Coating....
      Made of High Quality MaterialsExtremely durable, protective SATIN BLACK ceramic-metallic coating
      $528.17
    • (0 reviews)
      # 97236395
      Pontiac LeMans 3.8L with Air Conditioning without Smog Injection or Injection Heads with Power Steering with Chevy Engine with Automatic Transmission Column Shifter / with Automatic Transmission Floor Shifter 1981, Standard Duty Mild...
      $264.16 - $535.51
    • (0 reviews)
      # 231133535
      Pontiac Grand LeMans / LeMans 5.0L 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". Emissions:...
      $319.99
    • (0 reviews)
      # 231133582
      Pontiac Grand LeMans / LeMans 5.0L 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"....
      $399.99 - $444.99
    • (0 reviews)
      # 231134210
      Pontiac Grand LeMans / LeMans 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". Emissions: Racing Only....
      $379.99
    • (1 review)
      # mpn358945662
      Pontiac Grand LeMans / LeMans 5.0L 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". Emissions: Racing...
      Improves Performance and Appearance100% stainless steel construction
      $299.99
    • (0 reviews)
      # 231134241
      Pontiac Grand LeMans / LeMans 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". Emissions: Racing...
      $924.99
    • (0 reviews)
      # mpn358945683
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1981, Stainless Steel Weld-up Dragster Exhaust Header Kit by Dynatech®. Primary Tubing Diameter: 1.875"-2". Emissions: Racing Only. Color: Natural. Header Coating:...
      Tack-welded to make it easy to change or finish weldCNC laser-cut flanges, gaskets and bolts included
      $399.99
    • (0 reviews)
      # mpn4351213861
      Pontiac Grand LeMans / LeMans 4.4L / 5.0L 1981, 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...
      High quality at an affordable priceExpertly made from premium materials
      $236.62
    • (0 reviews)
      # 91569168
      Pontiac Grand LeMans / LeMans 5.0L with Small Block Chevy Engine 1981, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Emissions: Racing Only. Material: Steel. This superior Patriot EXhaust...
      $229.26 - $237.32
    • (0 reviews)
      # 378661916
      Pontiac Grand LeMans / LeMans 4.4L / 5.0L 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...
      +1
      $255.91 - $556.88
    • (0 reviews)
      # mpn358950119
      Pontiac Grand LeMans / LeMans 5.0L 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". Emissions: EPA...
      Expertly crafted from premium materialsQuality design and workmanship
      $236.01
    • (0 reviews)
      # 231133803
      Pontiac Grand LeMans / LeMans 5.0L with Small Block Chevy Engine 1981, 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)
      # 378661908
      Pontiac Grand LeMans / LeMans 4.4L / 5.0L 1981, 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...
      $264.28 - $512.24
    • (0 reviews)
      # 231290666
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $699.45
    • (0 reviews)
      # 87348669
      Pontiac Grand LeMans / LeMans 5.0L 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....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $261.32 - $301.92
    • (0 reviews)
      # mpn359116081
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $144.22
    • (0 reviews)
      # 231290731
      Pontiac Grand LeMans / LeMans 5.0L 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....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $240.93 - $720.76
    • (0 reviews)
      # 513233496
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $192.74 - $285.56
    • (0 reviews)
      # 466933652
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1981, 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)
      # 87348713
      Pontiac Grand LeMans / LeMans 5.0L 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....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $154.18 - $379.85
    • (0 reviews)
      # 231290899
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $167.23 - $212.02
    • (0 reviews)
      # mpn359116120
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $271.78
    • (0 reviews)
      # 231291069
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1981, Steel Sprint Car Exhaust Headers by Schoenfeld Headers®. Emissions: Racing Only. Header Coating: Painted. This top-notch product by Schoenfeld Headers is made to...
      $240.41 - $647.45
    • (0 reviews)
      # 87348765
      Pontiac Grand LeMans / LeMans 5.0L 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....
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $655.84 - $702.28
    • (0 reviews)
      # mpn359116012
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $133.12
    • (0 reviews)
      # 231133624
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Made of High Quality MaterialsBuilt to Last
      $139.99
    • (0 reviews)
      # mpn358582413
      Pontiac Grand LeMans / LeMans 4.4L / 5.0L 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...
      High quality at an affordable priceExpertly made from premium materials
      $115.02
    • (0 reviews)
      # mpn359115880
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1981, 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)
      # mpn306537478
      Pontiac Grand LeMans / LeMans 5.0L For Stock Or CNC Ported Heads 1981, 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...
      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
      Pontiac Grand LeMans / LeMans 5.0L 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
      Pontiac Grand LeMans / LeMans 5.0L 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....
      Made of High Quality MaterialsNo Leaks
      $15.99
    • (0 reviews)
      # mpn358945740
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Made of High Quality MaterialsBuilt to Last
      $18.29
    • (0 reviews)
      # mpn358945741
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Made of High Quality MaterialsSold in Pairs
      $15.99
    • (0 reviews)
      # mpn584600114
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $15.59
    • (0 reviews)
      # mpn358587986
      Pontiac Grand LeMans LE / SA 4.4L 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....
      High quality at an affordable priceExpertly made from premium materials
      $11.79
    • (0 reviews)
      # 231133770
      Pontiac Grand LeMans / LeMans 5.0L with Small Block Chevy Engine 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...
      Precision machined flangeBuilt of High quality materials
      $55.07 - $56.43
    • (0 reviews)
      # 652424834
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $23.97
    • (0 reviews)
      # 652701877
      Pontiac Grand LeMans / LeMans 5.0L 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....
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $21.54 - $23.97
    • (0 reviews)
      # 652286865
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $16.86 - $18.77
    • (0 reviews)
      # 652298810
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $35.11
    • (0 reviews)
      # 378661877
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Multi-layered for excellent conformability and sealSeals even imperfect flanges
      $33.24 - $35.11
    • (0 reviews)
      # mpn4483467622
      Pontiac Grand LeMans / LeMans 5.0L 1981, 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $35.11
    • (0 reviews)
      # 652379830
      Pontiac Grand LeMans / LeMans 5.0L 1981, XX Carbon™ 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....
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $19.16 - $21.77
    • (0 reviews)
      # 652554872
      Pontiac Grand LeMans / LeMans 5.0L 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...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $21.77
    • (0 reviews)
      # mpn358493021
      Pontiac Grand LeMans / LeMans 5.0L 1981, 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...
      Designed to upgrade your ride's performanceProduced by highly specialized machines to last
      $24.93
    • (0 reviews)
      # 841794828
      Pontiac Grand LeMans / LeMans 5.0L 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...
      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)
      # 87348708
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $10.93 - $15.72
    • (0 reviews)
      # mpn1903647976
      Pontiac Grand LeMans / LeMans 5.0L 1981, 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
      $31.49
    • (0 reviews)
      # mpn358950626
      Pontiac Grand LeMans / LeMans 5.0L with Chevy Small Block Engine 1981, 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...
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $8.83
    • (0 reviews)
      # 652199797
      Pontiac Grand LeMans / LeMans 1981, Vibe-Lock Header Bolt Kit by Percy's High Performance®. This product is made from high-grade materials to meet the strictest standards of high quality. Designed with the utmost care and attention to...
      Built to match your exact requirementsHigh quality you can rely on
      $13.77 - $122.42
    • (0 reviews)
      # 314963850
      Pontiac Grand LeMans / LeMans 4.4L / 5.0L 1981, Exhaust Manifold Hardware Kit by Stage 8®. Stage 8 manufacturers the World's Best Active Mechanical Locking systems. Stage 8 locking fastener solutions are fail-safe when used and...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $46.80 - $62.31
    • (0 reviews)
      # 314963957
      Pontiac Grand LeMans / LeMans 1981, 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...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $20.00 - $62.31
    • (0 reviews)
      # mpn358726796
      Pontiac Grand LeMans / LeMans 5.0L with Small Block Chevy Engine 1981, 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 from...
      $4.45
    • (0 reviews)
      # mpn358726687
      Pontiac Grand LeMans / LeMans 5.0L with Small Block Chevy Engine 1981, 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 made...
      $6.89
    • (0 reviews)
      # mpn2095008191
      Pontiac LeMans 4.4L 1981, Cast Iron Exhaust Manifold by ATP®. Position: Driver Side. Emissions: EPA compliant. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each...
      Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
      $77.52
    • (0 reviews)
      # 35484620
      Pontiac LeMans 1981, Stainless Steel 2-Bolt Exhaust Flange by Walker®. Material: Stainless Steel. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do...
      Makes installation quick and easyOptimal OE-style fit and quality
      $5.79
    • (0 reviews)
      # 231134178
      Pontiac Grand LeMans / LeMans 1981, Metal Exhaust Manifold Bolt and Spring Kit by Dorman®. Position: Front. Material: Metal. Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed...
      New hardware helps fix exhaust leaksKits include hardware to securely attach the manifold to the exhaust system
      $3.64 - $3.96




    1981 Pontiac LeMans 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
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