1973 Mercury Cougar Performance Headers

Show items:
Sort by:
Select Engine
  • Select Engine
  • 5.8L
  • 6.6L
  • 7.5L
    • Sanderson Headers® - Hugger Exhaust Headers
      (0 reviews)
      # 1022217058
      Mercury Cougar 1973, Hugger Exhaust Headers by Sanderson Headers®. This top-notch product by Sanderson 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
      $345.00 - $575.00
    • Hedman Hedders® - Elite Ultra-Duty Mild Steel Long Tube Racing Exhaust Headers
      (0 reviews)
      # 266708163
      Mercury Cougar 5.8L Windsor Engine with Air Conditioning without Smog Injection or Injection Heads with C4 Automatic Transmission with Automatic Transmission Floor Shifter 1973, Elite Ultra-Duty Mild Steel Long Tube Racing Exhaust...
      Made of High Quality MaterialsIdeal for Heavy Duty Applications
      $542.98 - $566.29
    • Hedman Hedders® - Standard Duty Long Tube Racing Exhaust Headers
      (0 reviews)
      # 97234676
      Mercury Cougar 5.8L with Air Conditioning without Smog Injection or Injection Heads with C4 Automatic Transmission 1973, Standard Duty Long Tube Racing Exhaust Headers by Hedman Hedders®. Collector Outlet Diameter: 3". Header Style:...
      Made from High Quality MaterialsBuilt to Last
      $248.91 - $843.36
    • Hedman Hedders® - Standard Duty Mild Steel Black MAXX Satin Black Ceramic-Metallic Long Tube Racing Exhaust Headers
      (0 reviews)
      # 403261404
      Mercury Cougar 1973, Standard Duty Mild Steel Long Tube Racing Exhaust Headers by Hedman Hedders®. Collector Outlet Diameter: 2.5". Color: Black. Header Coating: Ceramic Coating. Header Style: Long Tube. The standard-duty Hedman Hedders...
      Made of High Quality MaterialsExtremely durable, protective SATIN BLACK ceramic-metallic coating
      $516.51 - $584.73
    • Flowtech® - Mild Steel Long Tube Exhaust Headers
      (1 review)
      # 142869341
      Mercury Cougar 1973, Mild Steel Long Tube Exhaust Headers by Flowtech®. Collector Outlet Diameter: 3". Header Style: Long Tube. Include all mounting hardware. What happens when you're doing a custom installation, or if you want to do a...
      Mandrel-formed Power Plenum collectors for low backpressureLong transition collectors with merge spears for maximum flow and increased exhaust velocity
      $171.95 - $353.95
    • Hooker® - Competition™ Mild Steel Long Tube Exhaust Headers
      (0 reviews)
      # 448357005
      Mercury Cougar Automatic Transmission 1973, Competition™ Mild Steel Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Collector Length: 8". Header Style: Long Tube. All necessary...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      +1
      $238.95 - $624.95
    • JBA® - Cat4ward Stainless Steel Natural Short Tube Exhaust Headers
      (0 reviews)
      # mpn4564005175
      Mercury Cougar 5.8L 1973, Cat4ward Stainless Steel Short Tube Exhaust Headers by JBA®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Color: Silver. Header Coating: Uncoated. Header Style: Short Tube. JBA shorty...
      Mandrel-bent stainless steel primary tubesPatented JBA Firecone® collector
      $706.69
    • Patriot Exhaust® - Lakester Exhaust Headers
      (0 reviews)
      # 448139353
      Mercury Cougar 1973, Lakester Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Classic design allows for hookup to an under chassis exhaust system while the Traditional design gives...
      Expertly crafted from premium materialsQuality design and workmanship
      $539.03 - $911.78
    • Patriot Exhaust® - Long Tube Tri-Y Exhaust Headers
      (0 reviews)
      # 466340383
      Mercury Cougar 1973, Long Tube Tri-Y Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625"-2". Collector Outlet Diameter: 2.5". Header Style: Long Tube. This superior Patriot EXhaust product is just for you. Carefully...
      Expertly crafted from premium materialsQuality design and workmanship
      $508.48 - $647.27
    • Patriot Exhaust® - Sprint Style Exhaust Header Weld-Up Kit
      (0 reviews)
      # mpn4564005733
      Mercury Cougar 1973, Sprint Style Exhaust Header Weld-Up Kit 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
      $149.84
    • Patriot Exhaust® - Steel Long Tube Exhaust Headers
      (0 reviews)
      # 370315298
      Mercury Cougar 5.8L Cleveland Engine Automatic Transmission 1973, Steel Long Tube Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Header Style: Long Tube. This superior Patriot EXhaust...
      Expertly crafted from premium materialsQuality design and workmanship
      $285.99 - $492.31
    • Patriot Exhaust® - T-Bucket Style Chrome Roadster Exhaust Headers
      (0 reviews)
      # mpn4564012781
      Mercury Cougar 1973, T-Bucket Style Roadster Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Color: Chrome. Header Coating: Chrome. This superior Patriot EXhaust product is just for...
      Expertly crafted from premium materialsQuality design and workmanship
      $557.99
    • Patriot Exhaust® - Tight Tuck Street Rod Exhaust Headers
      (0 reviews)
      # 448059397
      Mercury Cougar 1973, Tight Tuck Street Rod 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
      +1
      $197.12 - $421.45
    • Schoenfeld Headers® - Demolition Derby Exhaust Headers
      (0 reviews)
      # mpn4564018094
      Mercury Cougar 1973, 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 driver appreciates. This product is...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $148.46
    • Schoenfeld Headers® - IMCA Modified Steel Exhaust Headers
      (0 reviews)
      # 197576198
      Mercury Cougar 5.8L with Ford Small Block Engine 1973, 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $257.94 - $315.90
    • Schoenfeld Headers® - Stock Clip Crossover Headers
      (0 reviews)
      # 87340297
      Mercury Cougar 5.8L with Ford Small Block Engine 1973, 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
      $302.02 - $324.49
    • Schoenfeld Headers® - Stock Clip Steel Painted Exhaust Headers
      (0 reviews)
      # mpn4564010360
      Mercury Cougar 5.8L with Ford Small Block Engine 1973, 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)
      # mpn1143023943
      Mercury Cougar 5.8L Windsor Engine 1973, 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...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $6.02
    • DNJ Engine Components® - Exhaust Manifold Gasket Set
      (0 reviews)
      # mpn1151262300
      Mercury Cougar 5.8L Windsor Engine 1973, 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...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $8.03
    • Victor Reinz® - Composite Exhaust Manifold Gasket Set
      (0 reviews)
      # 24173372
      Mercury Cougar 1973, Composite Exhaust Manifold Gasket Set by Victor Reinz®. Material: Composite. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      High quality at an affordable priceExpertly made from premium materials
      $8.12 - $17.54
    • Victor Reinz® - Sintered Metal Exhaust Seal Ring
      (0 reviews)
      # mpn621182
      Mercury Cougar H Engine VIN Character 1973, Sintered Metal Exhaust Seal Ring by Victor Reinz®. Material: Sintered Metal. 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
      $5.67
    • Big End Performance® - Exhaust Header Copper Gasket
      (0 reviews)
      # 231289537
      Mercury Cougar 1973, 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 customers in mind. It will...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $32.92 - $45.55
    • Cometic Gasket® - Exhaust Manifold Gasket
      (0 reviews)
      # 564639760
      Mercury Cougar 5.8L 1973, 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
      $22.09 - $36.93
    • Cometic Gasket® - Multi-Layer Steel Exhaust Header Gaskets
      (0 reviews)
      # mpn358507493
      Mercury Cougar 7.5L 1973, Multi-Layer Steel Exhaust Header Gaskets by Cometic Gasket®. Material: Multi-Layer Steel. Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and...
      Made of High Quality MaterialsBuilt to Last
      $40.83
    • Edelbrock® - Exhaust Gasket Set
      (0 reviews)
      # 1200200657
      Mercury Cougar A Engine VIN Character 1973, Exhaust Gasket Set by Edelbrock®. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. Edelbrock's gaskets are not only...
      The finest quality at a great priceEdelbrock carry everything needed to complete the job
      $21.29 - $21.35
    • Flowtech® - Aluminum Header Gasket Set
      (0 reviews)
      # mpn630006913
      Mercury Cougar Q Engine VIN Character 1973, 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...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $14.48
    • Flowtech® - Real-Seal™ Aluminum Exhaust Header Gaskets
      (0 reviews)
      # mpn630006909
      Mercury Cougar H Engine VIN Character 1973, Real-Seal™ Aluminum Exhaust Header Gaskets by Flowtech®. 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
      $49.33
    • Hooker® - Super Competition™ Fiber Exhaust Header Gasket
      (0 reviews)
      # 1022103099
      Mercury Cougar Cleveland Engine Q Engine VIN Character 1973, Super Competition™ Fiber Exhaust Header Gasket by Hooker®. Material: Fiber. Hooker's precision-matched Super Competition header gaskets provide a sure fit and unmatched...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.79
    • Mr. Gasket® - Exhaust Gasket Set
      (0 reviews)
      # 102218408
      Mercury Cougar 1973, 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
      $18.80 - $39.99
    • Mr. Gasket® - Ultra-Seal™ Exhaust Gasket Set
      (0 reviews)
      # 231289465
      Mercury Cougar 1973, 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 wildDesigned to restore functionality
      $24.35 - $34.33
    • Patriot Exhaust® - Oval Port Header Flange Kit
      (0 reviews)
      # mpn358950084
      Mercury Cougar 7.5L with Big Block Ford Engine 1973, Oval Port Header Flange Kit by Patriot Exhaust®. Header Flange made from Steel. Patriot Exhaust's machined header flange kits are available for many popular engine families....
      Precision machined flangeBuilt of High quality materials
      $40.97
    • Percy's High Performance® - Graph-Flex™ Exhaust Header Gaskets
      (0 reviews)
      # 652597829
      Mercury Cougar 1973, 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 tight on...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $22.18 - $24.68
    • Percy's High Performance® - Graph-Flex™ Oval Dual Bolt Header Flange Gaskets
      (0 reviews)
      # mpn4483467848
      Mercury Cougar 5.8L 1973, 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)
      # 652336803
      Mercury Cougar 1973, 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)
      # 652686802
      Mercury Cougar 1973, 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 flanges...
      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 5.8L 1973, 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)
      # 652309785
      Mercury Cougar 1973, 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. This is a premium,...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $19.72 - $22.41
    • ProForm® - Header Gasket Set
      (0 reviews)
      # 231111657
      Mercury Cougar 5.8L 1973, 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)
      # mpn4498739779
      Mercury Cougar 7.5L 1973, 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
      $41.90
    • Remflex® - Exhaust Header Gaskets
      (0 reviews)
      # 262495823
      Mercury Cougar 1973, 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 a...
      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
      $24.18 - $30.67
    • Schoenfeld Headers® - Round Port Exhaust Header Gasket
      (0 reviews)
      # mpn359115915
      Mercury Cougar 5.8L with Ford Small Block Engine 1973, 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)
      # 652336816
      Mercury Cougar 7.5L 1973, 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
      $76.44 - $99.20
    • Stage 8® - Header Locking Bolt Kit
      (0 reviews)
      # 1582538712
      Mercury Cougar 1973, 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 and...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $62.31 - $69.06
    • Trans-Dapt® - Standard Head Exhaust Header Bolts
      (0 reviews)
      # mpn358727069
      Mercury Cougar A Engine VIN Character with Big Block Ford Engine 1973, 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...
      $4.18
    • Hedman Hedders® - Street 304 SS Black MAXX Satin Black Ceramic-Metallic Long Tube Racing Exhaust Headers
      (0 reviews)
      # mpn4564004821
      Mercury Cougar 1973, Street 304 SS Long Tube Racing Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Color: Black. Header Coating: Ceramic Coating. Header Style: Long Tube. After more...
      High quality at an affordable priceExpertly made from premium materials
      $1,086.90
    • 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
    • SCE Gaskets® - Accu Seal E Exhaust Header Gaskets
      (0 reviews)
      # 1582567708
      Accu Seal E Exhaust Header Gaskets by SCE Gaskets®. Don't let a broken gasket in your exhaust system ruin your weekend plans. This high-quality product from SCE Gaskets is designed to equal your original product in both quality and...
      Design for high performance street and mild competition applicationsMade from road-tough materials to survive the test of time
      $15.32 - $25.76
    • SCE Gaskets® - Accu Seal Pro Exhaust Header Gaskets
      (0 reviews)
      # 1582467711
      Accu Seal Pro Exhaust Header Gaskets by SCE Gaskets®. Don't let a broken gasket in your exhaust system ruin your weekend plans. This high-quality product from SCE Gaskets is designed to equal your original product in both quality and...
      Design for high performance street and mild competition applicationsMade from road-tough materials to survive the test of time
      $30.36 - $34.52
    • Torxe™ - 4-1 304 SS Polished Short Tube Exhaust Headers
      (0 reviews)
      # mpn4564009409
      Mercury Cougar 5.8L 1973, 4-1 304 SS Short Tube Exhaust Headers by Torxe™. Direct Bolt-On. Primary Tubing Diameter: 1.25". Collector Outlet Diameter: 2". Color: Silver. Header Style: Short Tube. This product is made of high-quality...
      High quality at an affordable priceExpertly made from premium materials
      $247.50
    • Patriot Exhaust® - Exhaust Header Gaskets
      (0 reviews)
      # 448058329
      Mercury Cougar 1973, Exhaust Header Gaskets 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 expectations. This product is...
      Expertly crafted from premium materialsQuality design and workmanship
      $13.72 - $15.15
    • 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


    Popular Products



    1973 Mercury Cougar Models
    Low Prices Price match guarantee
    Guaranteed Fitment Always the correct part
    In-House Experts We know our products
    Easy Returns Quick & Hassle Free

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.

    SECURE SHOPPING