1973 Mercury Cougar Performance Exhaust Systems

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    • (0 reviews)
      # 97234676
      Mercury Cougar With Air Conditioning W/O Smog Injection or Injection Heads With C4 Automatic Transmission 5.8L 1973, Standard Duty Full Length Exhaust Headers by Hedman Hedders®. Collector Outlet Diameter: 3". The standard-duty...
      Made of High Quality MaterialsBuilt to Last
      $192.74 - $849.51
    • (0 reviews)
      # 266708163
      Mercury Cougar With Air Conditioning With Automatic Transmission Floor Shifter W/O Smog Injection or Injection Heads With C4 Automatic Transmission 5.8L Windsor Engine 1973, Elite Ultra-Duty Full Length Exhaust Headers by Hedman...
      Made of High Quality MaterialsIdeal for Heavy Duty Applications
      $390.32 - $429.19
    • (1 review)
      # 266708152
      Mercury Cougar 1973, Long Tube Exhaust Headers by Flowtech®. FLOWTECH headers are precision engineered and leak tested to get maximum performance and fuel economy from your engine. Each header is formed from specially selected .060...
      Mandrel-formed Power Plenum collectors for low backpressureLong transition collectors with merge spears for maximum flow and increased exhaust velocity
      $173.95 - $334.95
    • (0 reviews)
      # 448357005
      Mercury Cougar Base 1973, Competition™ Performance Headers by Hooker®. Emissions: EPA compliant. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Collector Length: 8". All necessary hardware included for a complete...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      +1
      $227.95 - $597.95
    • (0 reviews)
      # mpn3003712614
      Mercury Cougar 5.8L 1973, Cat4ward Stainless Steel Natural Shorty Exhaust Headers by JBA®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Finish: Natural. Color: Silver. Header Style: Short Tube. Includes:...
      Mandrel-bent stainless steel primary tubesPatented JBA Firecone® collector
      $687.77
    • (0 reviews)
      # mpn359116185
      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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $144.21
    • (0 reviews)
      # 197576198
      Mercury Cougar With Ford Small Block Engine 5.8L 1973, IMCA Modified Steel Exhaust Headers by Schoenfeld Headers®. Includes: Bolts, Studs, Gaskets. This top-notch product by Schoenfeld Headers is made to give that extra boost that...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $271.78 - $292.69
    • (0 reviews)
      # 87340297
      Mercury Cougar With Ford Small Block Engine 5.8L 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $267.70 - $301.92
    • (0 reviews)
      # mpn359116194
      Mercury Cougar With Ford Small Block Engine 5.8L 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". Includes: Bolts,...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $285.55
    • (0 reviews)
      # mpn886206
      Mercury Cougar without Staggered Shocks 1973, Aluminized Steel Gray Prebend Tailpipes without Tips by Flowmaster®. Material: Aluminized Steel. Main Piping Diameter: 2.5". Without Tips. These tailpipes are bare dual-out rear exit...
      Sold in PairsHangers and Hardware Not Included
      $144.00
    • (0 reviews)
      # mpn492597316
      Mercury Cougar 1973, Stainless Steel Bank Exhaust Flange by Kooks®. Material: Stainless Steel. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $177.81
    • (0 reviews)
      # 266708148
      Mercury Cougar 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 customers in mind,...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $10.29 - $13.73
    • (0 reviews)
      # 142869380
      Mercury Cougar 5.8L 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. Constructed...
      Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out
      $46.77
    • (0 reviews)
      # 266708201
      Mercury Cougar Q Engine VIN Character Cleveland Engine 1973, Super Competition™ Exhaust Header Gasket by Hooker®. Hooker's precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.21
    • (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 wildAluminum, copper or steel gaskets
      $17.83 - $24.95
    • (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,...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $23.08 - $32.54
    • (0 reviews)
      # 89573503
      Mercury Cougar 1973, Graph-Flex™ Exhaust Header Gaskets by Taylor Cable®. 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
      $21.11 - $23.50
    • (0 reviews)
      # mpn1593904390
      Mercury Cougar 5.8L 1973, Graph-Flex™ Oval Dual Bolt Header Flange Gaskets by Taylor Cable®. 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
      $23.50
    • (0 reviews)
      # 231111695
      Mercury Cougar 1973, HTR Collector Gaskets by Taylor Cable®. 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 latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $16.53 - $18.40
    • (0 reviews)
      # 89573524
      Mercury Cougar 1973, Seal-4-Good™ Exhaust Header Gaskets by Taylor Cable®. 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
      $34.41
    • (0 reviews)
      # mpn1593899228
      Mercury Cougar 5.8L 1973, Seal-4-Good™ Oval Dual Bolt Header Flange Gaskets by Taylor Cable®. 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
      $34.41
    • (0 reviews)
      # 89573539
      Mercury Cougar 1973, XX Carbon™ Exhaust Header Gaskets by Taylor Cable®. 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
      $19.17 - $21.34
    • (0 reviews)
      # mpn2505991
      Mercury Cougar A Engine VIN Character 1973, Exhaust Gasket by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $19.29
    • (0 reviews)
      # mpn2505993
      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 priceWe carry everything needed to complete the job
      $18.57
    • (0 reviews)
      # mpn358507493
      Mercury Cougar 7.5L 1973, MLS Exhaust Header Gasket by Cometic Gasket®.
      Made of High Quality MaterialsBuilt to Last
      $39.64
    • (0 reviews)
      # mpn358950084
      Mercury Cougar with Big Block Ford Engine 7.5L 1973, Oval Port Header Flange Kit by Patriot Exhaust®. Includes: Gaskets, Mounting Hardware. Header Flange made from Steel. Patriot Exhaust's machined header flange kits are available...
      Precision machined flangeBuilt of High quality materials
      $60.46
    • (0 reviews)
      # 231111657
      Mercury Cougar 5.8L 1973, Header Gasket Set by ProForm®.
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $28.32
    • (0 reviews)
      # 262495823
      Mercury Cougar 1973, 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 degrees - day after...
      $23.62 - $33.59
    • (0 reviews)
      # mpn359115915
      Mercury Cougar With Ford Small Block Engine 5.8L 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $12.98
    • (0 reviews)
      # 116549705
      Mercury Cougar 1973, Exhaust Manifold Gasket Set by Magnum Gasket®. You'd better be ready to take the heat if you're going to seal an exhaust manifold, where temperatures can often exceed 1,000°F. You can count on Magnum to offer...
      Made of High Quality MaterialsThe best combination of steel layers and high-temp gasket materials
      $11.44 - $23.35
    • (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...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $39.50
    • (0 reviews)
      # mpn492597677
      Mercury Cougar 1973, Header Bolt Kit 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...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $9.93
    • (0 reviews)
      # 231111815
      Mercury Cougar 7.5L 1973, Vibe-Lock Header Bolt Kit by Taylor Cable®. 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
      $70.72 - $93.66
    • (0 reviews)
      # mpn358727069
      Mercury Cougar With Big Block Ford Engine A Engine VIN Character 1973, Standard Head Exhaust Header Bolts by Trans-Dapt®. Fastener made from Steel. Smaller than standard hex heads for those extremely tight spaces. Grade 5 bolts...
      $8.10
    • (0 reviews)
      # 231289526
      Mercury Cougar 1973, 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...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $7.56 - $26.84
    • (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
      $6.64 - $18.73
    • (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
      $4.97
    • (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
      $7.93
    • (0 reviews)
      # 19070070
      Mercury Cougar 1973, Exhaust Pipe Flange Gasket 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...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $2.00 - $4.99
    • (0 reviews)
      # mpn2370988
      Mercury Cougar 1973, Metal Exhaust Flange Stud and Nut Kit by Dorman®. Material: Metal. Includes: 3 Studs, 6 Nuts and 3 Lock Washers. Dorman’s Exhaust Flange Stud & Nut provides you with the proper flange stud and nut for...
      Direct replacement for a proper fit every timeDurable steel construction
      $5.28
    • (0 reviews)
      # 314941336
      Mercury Cougar 1973, Header Locking Bolt Kit by Stage 8®. Thread Pitch: 3/8"-16. Package: For 16 Points. Stage 8 manufacturers the World's Best Active Mechanical Locking systems. Stage 8 locking fastener solutions are fail-safe...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $62.31 - $69.06
    • (0 reviews)
      # 447970689
      Mercury Cougar 1973, Circle Track Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". This superior Patriot EXhaust product is just for you. Carefully designed for maximum...
      Expertly crafted from premium materialsQuality design and workmanship
      $227.34 - $388.21
    • (0 reviews)
      # 448066862
      Mercury Cougar 1973, Clippster Mid-Length Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Mid-Length Tube. This superior Patriot EXhaust product is just for you....
      Expertly crafted from premium materialsQuality design and workmanship
      $339.98 - $523.44
    • (0 reviews)
      # 370315298
      Mercury Cougar 1973, Full-Length 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 expectations. This...
      Expertly crafted from premium materialsQuality design and workmanship
      $279.69 - $534.72
    • (0 reviews)
      # 466340383
      Mercury Cougar 1973, Full-Length Tri-Y Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625"-2". 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
      $490.50 - $644.62
    • (0 reviews)
      # 448139353
      Mercury Cougar 1973, Lakester Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA compliant. Give your rod a nostalgic look with a Patriot fully welded Classic or...
      Expertly crafted from premium materialsQuality design and workmanship
      $547.49 - $881.16
    • (0 reviews)
      # 447971362
      Mercury Cougar 1973, 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
      $284.66 - $604.23
    • (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
      $231.25 - $430.30
    • (0 reviews)
      # mpn3918342929
      Mercury Cougar 1973, Sprint Weld-Up Exhaust Collector Kit by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Includes: 8 mandrel bent header tubes, flange kit and formed collectors. This superior...
      Expertly crafted from premium materialsQuality design and workmanship
      $180.72
    • (0 reviews)
      # 448058329
      Mercury Cougar 1973, Exhaust Header Gasket 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...
      Expertly crafted from premium materialsQuality design and workmanship
      $16.96 - $18.66
    • (1 review)
      # 285612371
      Universal 304 SS Chambered Round Mill Exhaust Muffler by Stainless Works®. Muffler Body Length: 30". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. Stainless Works is the only manufacturer to build all of...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $166.25
    • (1 review)
      # 285612429
      Universal 304 SS Rat Trap Mill Exhaust Muffler by Stainless Works®. Muffler Body Length: 24". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. Stainless Works is the only manufacturer to build all of our...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $147.25
    • (1 review)
      # 360335633
      Universal 304 SS Round Mill Exhaust Muffler by Stainless Works®. Muffler Overall Length: 5". Muffler Configuration: Center - Center. Stainless Works is the only manufacturer to build all of our mufflers with ALL s/s...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $118.75 - $157.70
    • (1 review)
      # 285612569
      Universal 304 SS Round Vintage Mill Exhaust Muffler by Stainless Works®. Muffler Sound: Aggressive / Loud. Stainless Works is the only manufacturer to build all of our mufflers with ALL s/s construction-the bodies, cores, and...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $147.25
    • (1 review)
      # 285612455
      Universal 304 SS Smooth Tube Mill Exhaust Muffler by Stainless Works®. Muffler Body Length: 24". Muffler Sound: Moderate. Muffler Configuration: Center - Center. Stainless Works is the only manufacturer to build all of our mufflers...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $152.00
    • (1 review)
      # 285612487
      Universal 304 SS Turbo Chambered Exhaust Muffler by Stainless Works®. Muffler Body Length: 14". Muffler Overall Length: 18". Muffler Sound: Aggressive / Loud. Stainless Works is the only manufacturer to build all of our mufflers...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $175.75
    • (1 review)
      # 285612526
      Universal 304 SS Turbo S-Tube Exhaust Muffler by Stainless Works®. Muffler Body Length: 14". Muffler Overall Length: 18". Muffler Sound: Aggressive / Loud. Muffler Structure: Turbo. Stainless Works is the only manufacturer to build...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $175.75
    • (1 review)
      # 285612558
      Universal 304 SS Turn Down Mill Exhaust Muffler by Stainless Works®. Muffler Body Length: 24". Muffler Sound: Aggressive / Loud. Stainless Works is the only manufacturer to build all of our mufflers with ALL s/s construction-the...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $147.25
    • (1 review)
      # 285612447
      Universal Smooth 304 SS Oval Mill Exhaust Muffler by Stainless Works®. Muffler Body Length: 24". Muffler Sound: Moderate. Muffler Configuration: Center - Center. Stainless Works is the only manufacturer to build all of our mufflers...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $171.00
    • (0 reviews)
      # 91560812
      Universal Chrome Low-Line Lake Pipes by Patriot Exhaust®. Main Tubing Diameter: 2". Great for bringing back the custom car look some popular in the 50's and 60's. This product is made of high-quality materials to serve you for...
      The look of an expensive tuned header side pipe at a fraction of the costSide pipes come with built-in six sided louvered cored mufflers which absorb sound not horsepower
      $221.19 - $311.75




    Guides & Articles

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      Power, Sound, Looks | Can I Have It All With a...
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