1991 Mercury Cougar Performance Headers

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    • Racing Power Company® - Tight Fit Short Tube Exhaust Headers
      (0 reviews)
      # 898397923
      Mercury Cougar 5.0L 1991, Tight Fit Short Tube Exhaust Headers by Racing Power Company®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Short Tube. This top-grade product is expertly made in compliance...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      +1
      $220.08 - $351.98
    • Schoenfeld Headers® - IMCA Modified Steel Exhaust Headers
      (0 reviews)
      # mpn4564002806
      Mercury Cougar 5.0L with Ford Small Block Engine 1991, IMCA Modified Steel Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Collector Length: 9". This top-notch product by...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $315.90
    • Schoenfeld Headers® - Stock Clip Crossover Exhaust Headers
      (0 reviews)
      # mpn4564003335
      Mercury Cougar 5.0L with Ford Small Block Engine 1991, Stock Clip Crossover Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3.5". This top-notch product by Schoenfeld Headers is made to...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $324.49
    • Schoenfeld Headers® - Stock Clip Steel Painted Exhaust Headers
      (0 reviews)
      # mpn4564010360
      Mercury Cougar 5.0L with Ford Small Block Engine 1991, Stock Clip Steel Painted Exhaust Headers by Schoenfeld Headers®. Primary Tubing Diameter: 1.75"-1.875". Collector Outlet Diameter: 3.5". Collector Length: 9". Header Coating:...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $320.83
    • Apex Auto® - Exhaust Manifold Gasket Set
      (0 reviews)
      # 1092030830
      Mercury Cougar 1991, 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...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $6.02 - $6.18
    • DNJ Engine Components® - Exhaust Manifold Gasket Set
      (0 reviews)
      # 231099488
      Mercury Cougar 1991, 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...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $7.18 - $8.03
    • Fel-Pro® - Exhaust Manifold Gasket Set
      (0 reviews)
      # 231290386
      Mercury Cougar 1991, 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
      $9.18 - $10.92
    • Victor Reinz® - Exhaust Manifold Gasket Set
      (0 reviews)
      # 24175254
      Mercury Cougar 1991, Exhaust Manifold Gasket Set by Victor Reinz®. 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
      $9.83 - $22.55
    • Big End Performance® - Exhaust Header Copper Gasket
      (0 reviews)
      # mpn474702203
      Mercury Cougar 5.0L with Small Block Ford Engine 1991, 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...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $35.05
    • Cometic Gasket® - Multi-Layer Steel Exhaust Manifold Gasket
      (0 reviews)
      # 564685729
      Mercury Cougar LS / XR-7 5.0L 1991, 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...
      Backed by unsurpassed quality and solid workmanshipWill deliver exceptional performance you expect to get
      $36.93
    • Flowtech® - Aluminum Header Gasket Set
      (0 reviews)
      # mpn630006912
      Mercury Cougar 5.0L 1991, Aluminum Header Gasket Set by Flowtech®. Material: Aluminum. 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,...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $10.85
    • Hooker® - Super Competition™ Exhaust Header Gasket
      (0 reviews)
      # 652667891
      Mercury Cougar LS / XR-7 5.0L 1991, Super Competition™ Exhaust Header Gasket by Hooker®. Hooker's precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This OEM quality gasket is...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.79 - $14.96
    • Mr. Gasket® - Exhaust Gasket Set
      (0 reviews)
      # 102218695
      Mercury Cougar 5.0L 1991, 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 wildHigh-polished stainless steel bolts will outlast chrome and look great
      $19.92 - $27.11
    • Mr. Gasket® - Exhaust Header Gaskets
      (0 reviews)
      # 1022081047
      Mercury Cougar 5.0L 1991, 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...
      Gaskets for every application, from mild to wildDesigned to restore functionality
      $18.08 - $33.21
    • Mr. Gasket® - Ultra-Seal™ Exhaust Gasket Set
      (0 reviews)
      # 231290431
      Mercury Cougar 5.0L 1991, 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,...
      Gaskets for every application, from mild to wildDesigned to restore functionality
      $24.35 - $39.99
    • Percy's High Performance® - Graph-Flex™ Exhaust Header Gaskets
      (0 reviews)
      # 652519858
      Mercury Cougar 5.0L 1991, Graph-Flex™ Exhaust Header Gaskets by Percy's High Performance®. These durable header flange gaskets are composed of a graphite composition material on a malleable stainless steel core. They’ll seal up...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $22.18
    • Percy's High Performance® - Graph-Flex™ Oval Dual Bolt Header Flange Gaskets
      (0 reviews)
      # mpn4483467848
      Mercury Cougar 5.0L 1991, 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
      $24.68
    • Percy's High Performance® - HTR Collector Gaskets
      (0 reviews)
      # 652614872
      Mercury Cougar 5.0L 1991, 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
      $17.36 - $19.32
    • Percy's High Performance® - Seal-4-Good™ Exhaust Header Gaskets
      (0 reviews)
      # 378669748
      Mercury Cougar 5.0L 1991, 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...
      Multi-layered for excellent conformability and sealSeals even imperfect flanges
      $34.22 - $35.27
    • Percy's High Performance® - Seal-4-Good™ Oval Dual Bolt Header Flange Gaskets
      (0 reviews)
      # mpn4483467965
      Mercury Cougar 5.0L 1991, 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
      $36.14
    • Percy's High Performance® - XX Carbon™ Exhaust Header Gaskets
      (0 reviews)
      # 378669751
      Mercury Cougar 5.0L 1991, 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
      $19.72 - $22.41
    • ProForm® - Header Gasket Set
      (0 reviews)
      # 231099528
      Mercury Cougar 5.0L 1991, 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
      $29.27
    • Racing Power Company® - Exhaust Header Gaskets
      (0 reviews)
      # mpn4498739433
      Mercury Cougar 5.0L 1991, Exhaust Header Gaskets by Racing Power Company®. Made of solid, thick copper. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $33.09
    • Remflex® - Exhaust Header Gaskets
      (0 reviews)
      # mpn3242575724
      Mercury Cougar 5.0L 1991, Exhaust Header Gaskets by Remflex®. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications. Whether you have an old pick-up that needs a manifold gasket or...
      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
      $30.67
    • RHS® - Header Gasket
      (0 reviews)
      # mpn1589347822
      Mercury Cougar 5.0L 1991, 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
      $44.23
    • Schoenfeld Headers® - Round Port Exhaust Header Gasket
      (0 reviews)
      # mpn359115915
      Mercury Cougar 5.0L with Ford Small Block Engine 1991, 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 is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $14.19
    • Percy's High Performance® - Vibe-Lock Header Bolt Kit
      (0 reviews)
      # 652219835
      Mercury Cougar 5.0L 1991, 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
      $85.03 - $99.20
    • Stage 8® - Header Locking Bolt Kit
      (0 reviews)
      # mpn3557984096
      Mercury Cougar 3.8L 1991, 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...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $54.22
    • Racing Power Company® - Long Tube Exhaust Header Set
      (0 reviews)
      # 1141270856
      Mercury Cougar 5.0L 1991, Long Tube Exhaust Header Set by Racing Power Company®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Long Tube. 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
      +1
      $300.10 - $544.18
    • Kooks® - Exhaust Flanges
      (0 reviews)
      # 781513773
      Exhaust Flanges by Kooks®. 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, this product by Kooks will last a lifetime. It will meet...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $13.17 - $85.49
    • Dorman® - Brass Exhaust Manifold Hardware Kit
      (0 reviews)
      # mpn1622044890
      Universal Brass Exhaust Manifold Hardware Kit by Dorman®. Material: Brass. Dorman's Exhaust Nuts are now available separately for exhaust manifold repairs. These direct replacement nuts are ideal for securing exhaust components and used...
      Direct replacement for a proper fit every timeHigh-quality steel and rubber materials provides years of trouble-free service
      $3.68
    • AP Exhaust® - Manifold Stud
      (0 reviews)
      # 1370621596
      Universal Manifold Stud by AP Exhaust®. This superior product was carefully designed with key attention to detail and manufactured from high-grade materials to the strict standards of the highest quality. This AP Exhaust Technologies...
      Made from first-rate materialsEnsures outstanding durability
      $0.29 - $0.79


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