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The Mercury Grand Marquis is a powerful 4 door sedan ideal vehicle for commuting or travelling long distances. Powered by a big 4.6L V8 engine with an automatic transmission system, it is the ultimate model of reliability. But if you are looking for top performance from your car, you need to replace your stock exhaust system with a performance exhaust system from CARiD. Stock exhaust systems restrict exhaust flow because all the cylinders have to share a single manifold. On the other hand, aftermarket exhaust systems optimize engine operations resulting in increased power, fuel cost savings and great sound. Aftermarket Mercury Grand Marquis exhaust systems reduce pressure and turbulence, increasing the flow of exhaust gases from the cylinders and flow of fresh air into the engine. The benefits accruing to you include greater horsepower and significant torque gains. The car is now able to accelerate faster than before.

Driving also becomes a more pleasurable experience and your vehicle now consumes less fuel than it did in the past. Also, you have the advantage of great sound accompanying the increased engine power. The deep throaty sound is a sure sign that you are now leading from the front. Sound quality is guaranteed through a sophisticated engineering process that ensures sound degradation does not occur. Aftermarket performance exhaust systems do not succumb to rusting. They are made from austenitic stainless steel, a material that is extra resistant to corrosion. The manufactures also provide a lifetime warranty to go with the product. The warranty is an indication of the material quality and workmanship employed in the manufacture of the product. The polished tip in each aftermarket Mercury Grand Marquis exhaust system complements the gleam of your car for an ultra-urbane look.

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    • (15 reviews)
      # sp839
      Direct Fit Catalytic Converter by MagnaFlow®. If your cat needs replacement, install one that will get you through the smog check and give you more horsepower. This converter will directly replace the factory unit, with little or...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $193.34 - $1,748.68
    • (9 reviews)
      # sp96181
      Direct Fit OEM Grade Catalytic Converter by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check and give you more horsepower. This converter is part of the exhaust header/manifold...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $148.97 - $3,460.20
    • (29 reviews)
      # sp7280
      Direct Fit Pre-OBDII Catalytic Converter by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check and give you more horsepower. This converter will directly replace the factory unit, with...
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $79.39 - $1,057.88
    • (1 review)
      # sp13642
      304 SS Headers by Stainless Works®. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to corrosion. Engineered with careful attention to the smallest detail using the...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $665.00 - $2,793.00
    • (146 reviews)
      # sp17449
      Exhaust System by MagnaFlow®. These premium line exhaust systems for diesels with particulate filters include mandrel-bent stainless steel tubing, 100% stainless steel mufflers, optional muffler delete pipes, band clamps, and...
      Moderate - Aggressive SoundBuilt In Stainless Steel For Durability
      $208.68 - $3,241.81
    • (89 reviews)
      # sp598
      Street Series Exhaust System by MagnaFlow®. The Street Series is designed for customers seeking increased performance and better economy, combined with a powerful and well tuned exhaust note, making a real statement within legal...
      Moderate SoundDelivers More Horsepower
      $354.36 - $3,241.81
    • (0 reviews)
      # sp13632
      304 SS Cat-Back Exhaust System by Stainless Works®. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to corrosion. Engineered with careful attention to the smallest...
      Aggressive exhaust growl3" diameter system
      $427.50 - $1,990.25
    • (13 reviews)
      # sp7124
      220 Series Stainless Steel Catalytic Converter by Flowmaster®. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal environmental regulations and, as all Flowmaster products, to deliver the...
      Meets or exceeds all USEPA 49-state requirementsStainless Steel shells
      $102.70 - $971.62
    • (18 reviews)
      # sp95451
      Catalytic Converter by Flowmaster®. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal environmental regulations and, as all Flowmaster products, to deliver the best possible performance....
      Exceed all federal emission standardsStainless Steel shells
      $102.70 - $1,101.06
    • (0 reviews)
      # sp105124
      Standard Grade Catalytic Converter by Flowmaster®. Flowmaster's Standard Grade line of Manifold direct fit catalytic converters are specifically designed to meet or exceed OEM specifications for exact fit and performance, and are...
      Made of High Quality Stainless SteelImprove Torque and Throttle Response
      $160.80 - $1,066.25
    • (3 reviews)
      # sp13636
      Stainless Steel Header by Stainless Works®. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to corrosion. Engineered with careful attention to the smallest detail...
      304 Stainless Steel ConstructionTIG-Welded
      $964.25 - $2,341.75
    • (0 reviews)
      # sp14630
      Demolition Derby 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 designed with utmost care and meticulous attention to...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $144.21
    • (0 reviews)
      # sp14631
      IMCA Modified Headers by Schoenfeld Headers®. Comes in a set. Includes Bolts, Studs, Gaskets. Header made from Steel. 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
      $167.23 - $379.85
    • (0 reviews)
      # sp29086
      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 designed with utmost care and meticulous attention to...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $267.70 - $379.85
    • (0 reviews)
      # sp29087
      Stock Clip 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 designed with utmost care and meticulous attention to detail to...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $198.59 - $292.18
    • (3 reviews)
      # sp96188
      Universal Fit Catalytic Converter by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check and give you more horsepower. This universal fit converter will require some fabrication to be...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $69.27 - $466.66
    • (0 reviews)
      # sp95734
      Header Flange Gaskets by Hedman Hedders®. Hedman gaskets are made of a special gasket material developed for Hedman. Accept no substitute.
      Made of High Quality MaterialsEasy to Install
      $5.34 - $30.51
    • (0 reviews)
      # sp2378
      Premium™ Header Gasket Set by BBK Performance®. These BBK premium quality Header Gasket Sets are designed to give you a quality long lasting seal. Will work on most stock or aftermarket applications.
      Provides a long lasting, leak-proof sealFlexible graphite will conform to surface irregularities and won't stick to headers or cylinder head
      $19.99 - $39.99
    • (0 reviews)
      # sp20676
      Aluminum Header Gasket Set by Flowtech®. Includes 1 Pair Head Flange Gaskets, 1 Pair Exhaust Collector Gaskets. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      Engineered for a precise, easy fitManufactured of P73 Ferroglass non-asbestos facing material for long life
      $10.29 - $14.42
    • (0 reviews)
      # sp9312
      Real-Seal™ Aluminum Header Gasket by Flowtech®. 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 Flowtech...
      Multi-Layer “Dead Soft” aluminum conforms to create a leak-proof sealWill not burn or blow out
      $46.77 - $54.04
    • (0 reviews)
      # sp14198
      Super Competition Fiber Header Gasket by Hooker®. 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 Hooker will...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.21 - $14.32
    • (0 reviews)
      # sp109918
      Exhaust Header Gasket 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 manifold bolts.
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $29.39 - $31.49
    • (2 reviews)
      # sp32336
      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 manifold bolts.
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $13.63 - $37.91
    • (0 reviews)
      # sp97850
      Performance Exhaust Header Gaskets by Spectre®. Rooted in racing, Spectre Performance designs and builds every product with the same goal in mind - the best performance in the market proven on the racetrack! All products are...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $8.69 - $17.37
    • (0 reviews)
      # sp24021
      Graph Flex Header Flange Gasket 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
      $23.50
    • (0 reviews)
      # sp109919
      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, high-performance gasket at...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $16.89 - $23.50
    • (0 reviews)
      # sp109920
      HTR Collector Gasket 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 technology,perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $13.87 - $18.40
    • (0 reviews)
      # sp24023
      Seal-4-Good Header Flange Gasket 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
      $34.41
    • (0 reviews)
      # sp109921
      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, high-performance gasket at...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $27.74 - $37.85
    • (0 reviews)
      # sp24024
      XX Carbon Header Gasket 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 technology,perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $19.17 - $21.34
    • (1 review)
      # sp109922
      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, high-performance gasket at an...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $15.32 - $21.34
    • (0 reviews)
      # mpn358507493
      MLS Exhaust Header Gasket by Cometic Gasket®.
      Made of High Quality MaterialsBuilt to Last
      $39.64
    • (0 reviews)
      # mpn358507478
      MLS Exhaust Header Gasket by Cometic Gasket®.
      Made of High Quality MaterialsBuilt to Last
      $31.61
    • (0 reviews)
      # sp28991
      Header Flange Kit by Patriot Exhaust®. Patriot precision machined header flange kits are available for many popular engine families. Header flange kits come complete with gaskets and header bolts on most applications.
      Precision machined flangeBuilt of High quality materials
      $46.41 - $60.46
    • (0 reviews)
      # sp33365
      Seal-4-Good Header Gasket 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 for the ultimate seal. Since...
      Built to match your exact requirementsHigh quality you can rely on
      $31.03 - $34.41
    • (0 reviews)
      # sp33367
      XX Carbon Header Gasket by Percy's High Performance®. These gaskets are designed to give the performance you expect at a price you can afford. Our XX Carbon gaskets are made of Taylor's proprietary 100% carbon felt material on a...
      Built to match your exact requirementsHigh quality you can rely on
      $20.08 - $22.66
    • (0 reviews)
      # sp23705
      Exhaust Header Gasket by Proform®. If you are looking to enhance your vehicle's performance, then this top-notch product is definitely what you need. Manufactured from premium quality materials this Proform product provides...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $25.36 - $33.32
    • (0 reviews)
      # sp87026
      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 day, week after week,...
      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
      $16.47 - $39.19
    • (0 reviews)
      # mpn358503361
      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 routinely exceed 2,000...
      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)
      # sp14626
      Exhaust Header Gasket by Schoenfeld Headers®, 1 Piece. 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $10.93 - $14.78
    • (0 reviews)
      # sp22223
      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 the best combination...
      Made of High Quality MaterialsThe best combination of steel layers and high-temp gasket materials
      $5.59 - $24.20
    • (0 reviews)
      # sp49138
      Exhaust Systems by RHS®.
      $34.71 - $41.79
    • (0 reviews)
      # sp29899
      Copper Exhaust Header Gasket by Big End Performance®. This Big End Performance product is just the option for you in case you want to get the most out of your auto. It is made from first-rate materials to provide the highest level...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $34.05 - $47.41
    • (0 reviews)
      # sp3663
      Header Bolts 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 manifold bolts.
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $8.15 - $42.81
    • (1 review)
      # sp46872
      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 latest technology,perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.91 - $186.35
    • (0 reviews)
      # sp32266
      Standard Head Header Bolts by Trans-Dapt®. Standard header bolts, from Trans-Dapt Performance Have a 7/16" head size for use with headers. For even tighter fitting applications, use Trans-Dapt's Small head bolts with a 3/8" head...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $5.21 - $8.10
    • (25 reviews)
      # sp4409
      Exhaust Gasket by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker accessories, you...
      Makes installation quick and easyOptimal OE-style fit and quality
      $1.00 - $199.00
    • (0 reviews)
      # sp104163
      Heavy Duty U-Bolt Clamp by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker...
      Makes installation quick and easyOptimal OE-style fit and quality
      $0.91 - $208.50
    • (0 reviews)
      # sp27211
      Professional™ Oxygen Sensor by ACDelco®. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s Professional Oxygen Sensors help. You can...
      ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditions.Customers can receive better gas mileage with a properly working oxygen sensor.
      $18.36 - $241.79
    • (0 reviews)
      # sp107208
      OE Connector Oxygen Sensor by Delphi®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running out...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $36.06 - $259.89
    • (0 reviews)
      # sp5756
      Oxygen Sensor by Delphi®. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering together to develop the most innovative...
      OE connectors and wire lengths within three inches of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $12.24 - $201.38
    • (1 review)
      # sp27974
      Oxygen Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all channels...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $11.36 - $194.89
    • (0 reviews)
      # sp107239
      OE Connector Oxygen Sensor by Motorcraft®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $27.07 - $150.58
    • (0 reviews)
      # sp99067
      Oxygen Sensor by Motorcraft®. Keep your vehicle's emission control system functioning properly with this quality product. Manufactured for your specific vehicle, the part meets strict Ford Motor Company standards and incorporates...
      Designed for specific Ford, Mercury, and Lincoln vehiclesBuilt to strict Ford Motor Company specifications
      $6.01 - $350.92
    • (1 review)
      # sp99083
      Oxygen Sensor by Bosch®. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is...
      OE-EquivalentOE Style connectors and wire lengths
      $8.57 - $146.47
    • (0 reviews)
      # sp110090
      Universal O2 Sensor by Bosch®. 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 needs and deliver great quality...
      High quality at an affordable priceExpertly made from premium materials
      $12.86 - $103.79
    • (0 reviews)
      # sp107195
      Universal Oxygen Sensor by Bosch®. Properly functioning oxygen sensors are important when it comes to your vehicle's fuel efficiency and reducing harmful exhaust emissions. That's why checking for, and possibly replacing, a...
      Up to 15 % savings in fuel costsReduced CO2 emissions
      $17.45 - $83.40
    • (11 reviews)
      # sp99082
      OE Connector Oxygen Sensor by Denso®. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the air fuel mixture under idle,...
      Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies
      $10.69 - $512.39
    • (0 reviews)
      # sp107209
      Oxygen Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the use of the...
      Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies
      $20.11 - $363.90
    • (12 reviews)
      # sp5156
      Oxygen Sensor by NTK®. This product is designed to improve engine efficiency and fuel mileage, while reducing emissions and extending catalyst life. The oxygen sensor is made of premium quality material and extensively tested...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $12.37 - $263.78




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    Popular Products



    Mercury Grand Marquis Performance Exhaust Systems Reviews

    Average rating:  5  5 - 1 review
    5 of 5
    Catalytic Converter
    Product looks and fits like a glove. Low price is a huge plus.
    BPosted by Barry (Brooksville, FL) / March 16, 2017
    1998 Mercury Grand Marquis
    Was this review helpful for you? Yes

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