1981 Mercury Marquis Performance Headers

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    • (0 reviews)
      # 197576410
      Mercury Marquis with Ford Small Block Engine 1981, IMCA Modified 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
      $269.85 - $271.78
    • (0 reviews)
      # 87340318
      Mercury Marquis with Ford Small Block Engine 1981, Stock Clip Crossover 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
      $267.71 - $301.92
    • (0 reviews)
      # mpn359116194
      Mercury Marquis 5.0L with Ford Small Block Engine 1981, Stock Clip Steel Painted Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Collector Length: 9". Finish: Painted. This...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $311.66
    • (0 reviews)
      # 898267612
      Mercury Marquis 5.0L / 5.8L Windsor Engine 1981, Header Set by Racing Power Company®. Tube Diameter: 1-5/8". Includes gaskets, hardware, and reducers. This top-grade product is expertly made in compliance with stringent industry...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      +1
      $197.96 - $489.48
    • (0 reviews)
      # 97260654
      Mercury Marquis Brougham 5.8L 1981, Premium Graphite Header Gasket Set by BBK®. Material: Graphite. 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
      $24.99 - $39.99
    • (0 reviews)
      # mpn630006909
      Mercury Marquis 5.0L / 5.8L 1981, Real-Seal™ Aluminum Exhaust Header Gaskets by Flowtech®. 1 Pair. Material: Aluminum. Flowtech REAL-SEAL header and collector gaskets are a revolutionary break-through in exhaust sealing technology....
      Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out
      $48.17
    • (0 reviews)
      # 102135029
      Mercury Marquis 1981, 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 and...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $18.36 - $39.05
    • (0 reviews)
      # 1022447092
      Mercury Marquis 5.0L 1981, Exhaust Header Gaskets 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
      $17.66 - $32.43
    • (0 reviews)
      # 960518626
      Mercury Marquis 5.0L 1981, Exhaust Header Gaskets 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
      $17.66 - $32.43
    • (0 reviews)
      # 231280045
      Mercury Marquis 1981, Ultra-Seal™ 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...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $23.77 - $30.27
    • (0 reviews)
      # 564667722
      Mercury Marquis Base / Brougham 1981, 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...
      Backed by unsurpassed quality and solid workmanshipWill deliver exceptional performance you expect to get
      $21.45 - $35.86
    • (0 reviews)
      # 652671858
      Mercury Marquis 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. This is a...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $21.54
    • (0 reviews)
      # mpn4483467848
      Mercury Marquis 5.0L 1981, Graph-Flex™ Oval Dual Bolt 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $23.97
    • (0 reviews)
      # 652714925
      Mercury Marquis 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 utilizing the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $16.86 - $18.77
    • (0 reviews)
      # 652500858
      Mercury Marquis 5.0L 1981, Seal-4-Good™ Exhaust Header Gaskets by Percy's High Performance®. The Percy's Seal-4-Good Reusable Flange Gaskets are multi-layered and made from a special "Dead Soft" Aluminum, which conforms to header...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $33.24 - $34.26
    • (0 reviews)
      # mpn4483467965
      Mercury Marquis 5.0L 1981, Seal-4-Good™ Oval Dual Bolt 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $35.11
    • (0 reviews)
      # 710735589
      Mercury Marquis 5.0L 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
      $20.18 - $21.77
    • (0 reviews)
      # 231131673
      Mercury Marquis 5.0L 1981, Header Gasket Set by ProForm®. 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 a leg, rely on this high-grade product from PROFORM....
      Designed to upgrade your ride's performanceProduced by highly specialized machines to last
      $28.44
    • (0 reviews)
      # 262496170
      Mercury Marquis 5.8L Windsor Engine 1981, Exhaust Header Gasket by Remflex®. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000...
      $24.31 - $33.59
    • (0 reviews)
      # mpn358503361
      Mercury Marquis 5.8L 1981, Manifold/Header Gasket by Remflex®. Set of 2. 1-3/4" x 1-5/8" Square Port. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures...
      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)
      # mpn359115915
      Mercury Marquis 5.0L with Ford Small Block Engine 1981, Round Port 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
      $12.98
    • (0 reviews)
      # mpn1589347822
      Mercury Marquis 5.0L 1981, 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, leak-free...
      High quality at an affordable priceExpertly made from premium materials
      $39.07
    • (0 reviews)
      # 231279944
      Mercury Marquis with Small Block Ford Engine 1981, Exhaust Header Copper Gasket by Big End Performance®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $34.05 - $44.25
    • (0 reviews)
      # mpn4498739433
      Mercury Marquis 5.0L / 5.8L Windsor Engine 1981, Header Gaskets by Racing Power Company®. Port Oval 1.25" x 1.75". Made of solid, thick copper.040" Thickness. 2 Pieces. This top-grade product is expertly made in compliance with...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $32.08
    • (0 reviews)
      # 652217793
      Mercury Marquis 5.0L 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 detail,...
      Built to match your exact requirementsHigh quality you can rely on
      $87.36 - $101.07
    • (0 reviews)
      # mpn2072441809
      Mercury Marquis 4.2L / 5.0L 1981, Cast Iron Natural Exhaust Manifold by Dorman®. Position: Passenger Side. Emissions: CARB compliant. Finish: Natural. This product is made of high-quality materials to serve you for years to come....
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $103.95
    • (0 reviews)
      # mpn4476976533
      Mercury Marquis 5.0L / 5.8L 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...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $10.17
    • (0 reviews)
      # mpn1143023943
      Mercury Marquis 5.0L / 5.8L 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...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $5.84
    • (0 reviews)
      # mpn1151262300
      Mercury Marquis 5.0L / 5.8L 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...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $7.80
    • (0 reviews)
      # 276267926
      Mercury Marquis 4.2L / 5.0L 1981, Metal Exhaust Manifold Hardware Kit by Dorman®. Material: Metal. Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman offers products like fasteners and...
      Direct replacement for a proper fitBuilt to Last
      $6.97 - $9.80
    • (0 reviews)
      # mpn1146631401
      Mercury Marquis 5.8L 1981, Intake Manifold Bolt Set by Pioneer Automotive®. 12 Pt. Hi-Tensile. Material: Stainless Steel. By having own manufacturing facilities Pioneer Automotive® can guarantee the best quality in the market with the...
      Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions
      $31.29
    • (0 reviews)
      # mpn4516972008
      Mercury Marquis 5.0L 1981, Graphite Exhaust Manifold Gasket Set by Victor Reinz®. High Performance Gasket Material: Graphite. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      High quality at an affordable priceExpertly made from premium materials
      $21.91
    • (0 reviews)
      # 1022159046
      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 utmost care and meticulous attention to detail to...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $139.75 - $548.31
    • (0 reviews)
      # 659607306
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Basic Kit by Icengineworks®. Quantity: 124 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $419.99
    • (0 reviews)
      # 659607273
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Basic Plus Kit by Icengineworks®. Including 1625BASIC and 1625TTWCS. Quantity: 128 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $499.99
    • (0 reviews)
      # 659607249
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Pro Kit by Icengineworks®. Quantity: 248 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $774.99
    • (0 reviews)
      # 659607225
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Pro Plus Kit by Icengineworks®. Including 1625PRO and 1625TTWCS. Quantity: 252 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $874.99
    • (0 reviews)
      # 659607333
      1625 Series 1-5/8" Outer Diameter Exhaust Tube-Cutting Tool System by Icengineworks®. Including PIV1000 and 1625CSS. Quantity: 4 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $599.99
    • (0 reviews)
      # 659607440
      1625 Series 1-5/8" Outer Diameter Modeling Exhaust Full System Kit by Icengineworks®. Including 1625PRO, PIV1000, 1625CSS, 1625TTWCS. Quantity: 256 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects....
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $1,399.99
    • (0 reviews)
      # 659607293
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Basic Kit by Icengineworks®. Quantity: 154 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $419.99
    • (0 reviews)
      # 659607337
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Basic Plus Kit by Icengineworks®. Including 1750BASIC and 1750TTWCS. Quantity: 158 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $499.99
    • (0 reviews)
      # 659607207
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Pro Kit by Icengineworks®. Quantity: 308 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $774.99
    • (0 reviews)
      # 659607395
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Pro Plus Kit by Icengineworks®. Including 1750PRO and 1750TTWCS. Quantity: 312 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $874.99
    • (0 reviews)
      # 659607401
      1750 Series 1-3/4" Outer Diameter Exhaust Tube-Cutting Tool System by Icengineworks®. Including PIV1000 and 1750CSS. Quantity: 5 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $699.99
    • (0 reviews)
      # 659607387
      1750 Series 1-3/4" Outer Diameter Modeling Exhaust Full System Kit by Icengineworks®. Including 1750PRO, PIV1000, 1750CSS, 1750TTWCS. Quantity: 317 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects....
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $1,499.99
    • (0 reviews)
      # 659607419
      1875 Series 1-7/8" Outer Diameter Exhaust Tube-Cutting Tool System by Icengineworks®. Including PIV1000 and 1875CSS. Quantity: 5 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $749.99
    • (0 reviews)
      # 659607451
      2000 Series 2" Outer Diameter Exhaust Modeling Block Basic Kit by Icengineworks®. Quantity: 124 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $419.99
    • (0 reviews)
      # 659607284
      2000 Series 2" Outer Diameter Exhaust Modeling Block Basic Plus Kit by Icengineworks®. Including 2000BASIC and 2000TTWCS. Quantity: 128 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $499.99
    • (0 reviews)
      # 659607383
      2000 Series 2" Outer Diameter Exhaust Modeling Block Pro Kit by Icengineworks®. Quantity: 248 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $799.99
    • (0 reviews)
      # 659607374
      2000 Series 2" Outer Diameter Exhaust Modeling Block Pro Plus Kit by Icengineworks®. Including 2000PRO and 2000TTWCS. Quantity: 252 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $874.99
    • (0 reviews)
      # 659607412
      2000 Series 2" Outer Diameter Exhaust Tube-Cutting Tool System by Icengineworks®. Including PIV1000 and 2000CSS. Quantity: 4 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $649.99
    • (0 reviews)
      # 659607425
      2000 Series 2" Outer Diameter Modeling Exhaust Full System Kit by Icengineworks®. Including 2000PRO, PIV1000, 2000CSS, 2000TTWCS. Quantity: 256 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects....
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $1,499.99
    • (0 reviews)
      # 659607410
      1625 Series 1-5/8" Outer Diameter Exhaust Collector Dummy by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines,...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $119.99 - $199.99
    • (0 reviews)
      # 659607447
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Set by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines,...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $149.99 - $199.99
    • (0 reviews)
      # mpn4483950933
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block/Starter Tube Adapter by Icengineworks®. Quantity: 1 Piece. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $15.99
    • (0 reviews)
      # mpn4483950934
      1625 Series 1-5/8" Outer Diameter Exhaust Tack Welding Clamp Set by Icengineworks®. Material: Stainless Steel. Quantity: 4 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $104.99
    • (0 reviews)
      # 659607407
      1625 Series Exhaust HDPE Tube-Cutting Spacer by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines, fabricators are...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $79.99 - $299.99
    • (0 reviews)
      # 659607369
      1750 Series 1-3/4" Outer Diameter Exhaust Collector Dummy by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines,...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $119.99 - $199.99
    • (0 reviews)
      # 659607430
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Set by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines,...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $149.99 - $199.99
    • (0 reviews)
      # mpn4483950926
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block/Starter Tube Adapter by Icengineworks®. Quantity: 1 Piece. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $15.99





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