Mercury Grand Marquis Performance Exhaust Systems

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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    • MagnaFlow® Street Series Exhaust System
      (74 reviews)
      # 598
      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...
      $378.87 - $3,904.65
    • MagnaFlow® Direct Fit Catalytic Converter
      (31 reviews)
      # 839
      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...
      $82.70 - $3,460.20
    • Flowmaster® Catalytic Converter
      (13 reviews)
      # 44
      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....
      $65.18 - $943.42
    • Flowmaster® Standard Duty Oval Catalytic Converter
      (13 reviews)
      # 838
      Standard Duty Oval 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...
      $65.18 - $943.42
    • Diamond Eye® Turbocharger Down Pipe
      (0 reviews)
      # 1769418
      Universal Turbocharger Down Pipe (322001) by Diamond Eye Performance®. Performance Diesel Exhaust Down Pipe; 3 in.; Aluminized. This products is created for those who are not afraid of the power. It is fine-tuned to deliver...
      The finest quality at a great priceOE quality parts from top original equipment and aftermarket manufacturers
      $67.14
    • Diamond Eye® Turbocharger Down Pipe
      (0 reviews)
      # 1769413
      Universal Turbocharger Down Pipe (221043) by Diamond Eye Performance®. Performance Diesel Exhaust Down Pipe Kit; For HX40 Style Turbo; Incl. V-Band. This products is created for those who are not afraid of the power. It is...
      The finest quality at a great priceOE quality parts from top original equipment and aftermarket manufacturers
      $102.53
    • Diamond Eye® Turbocharger Down Pipe
      (0 reviews)
      # 1769412
      Universal Turbocharger Down Pipe (221040) by Diamond Eye Performance®. Performance Diesel Exhaust Down Pipe; For HX40 Style Turbo. This products is created for those who are not afraid of the power. It is fine-tuned to deliver...
      The finest quality at a great priceOE quality parts from top original equipment and aftermarket manufacturers
      $88.71
    • Diamond Eye® Turbocharger Down Pipe
      (0 reviews)
      # 1769411
      Universal Turbocharger Down Pipe (166004) by Diamond Eye Performance®. Performance Diesel Exhaust Down Pipe; 3.5 in.; 409 Stainless Steel. This products is created for those who are not afraid of the power. It is fine-tuned to...
      The finest quality at a great priceOE quality parts from top original equipment and aftermarket manufacturers
      $140.49
    • Diamond Eye® Turbocharger Down Pipe
      (0 reviews)
      # 1769406
      Universal Turbocharger Down Pipe (162004) by Diamond Eye Performance®. Performance Diesel Exhaust Down Pipe; 3 in.; 409 Stainless Steel. This products is created for those who are not afraid of the power. It is fine-tuned to...
      The finest quality at a great priceOE quality parts from top original equipment and aftermarket manufacturers
      $110.83
    • Diamond Eye® Turbocharger Down Pipe
      (0 reviews)
      # 1767806
      Universal Turbocharger Down Pipe (126004) by Diamond Eye Performance®. Performance Diesel Exhaust Down Pipe; 3.5 in.; Aluminized; Off-Road. This products is created for those who are not afraid of the power. It is fine-tuned to...
      The finest quality at a great priceOE quality parts from top original equipment and aftermarket manufacturers
      $129.65
    • Diamond Eye® Turbocharger Down Pipe
      (0 reviews)
      # 1767805
      Universal Turbocharger Down Pipe (125050) by Diamond Eye Performance®. Performance Diesel Exhaust Down Pipe; 4 in.; Aluminized; Off-Road. This products is created for those who are not afraid of the power. It is fine-tuned to...
      The finest quality at a great priceOE quality parts from top original equipment and aftermarket manufacturers
      $96.76
    • Diamond Eye® Turbocharger Down Pipe
      (0 reviews)
      # 1767801
      Universal Turbocharger Down Pipe (124001) by Diamond Eye Performance®. Performance Diesel Exhaust Down Pipe; 4 in.; 98-02 Ford; Aluminized. This products is created for those who are not afraid of the power. It is fine-tuned to...
      The finest quality at a great priceOE quality parts from top original equipment and aftermarket manufacturers
      $83.71
    • Diamond Eye® Turbocharger Down Pipe
      (0 reviews)
      # 1767800
      Universal Turbocharger Down Pipe (122004) by Diamond Eye Performance®. Performance Diesel Exhaust Down Pipe; 3 in.; Aluminized; 2 pc. This products is created for those who are not afraid of the power. It is fine-tuned to deliver...
      The finest quality at a great priceOE quality parts from top original equipment and aftermarket manufacturers
      $86.66
    • Diamond Eye® Exhaust Pipe
      (0 reviews)
      # 1767130
      Universal Exhaust Pipe (420065) by Diamond Eye Performance®. Performance Diesel Exhaust Y-Pipe; 4 in. Dia.; Single In/Dual Out; 409 Stainless Steel. This products is created for those who are not afraid of the power. It is...
      The finest quality at a great priceOE quality parts from top original equipment and aftermarket manufacturers
      $82.50
    • Diamond Eye® Exhaust Pipe
      (0 reviews)
      # 1767124
      Universal Exhaust Pipe (400065) by Diamond Eye Performance®. Performance Diesel Exhaust Y-Pipe; 4 in. Dia; Single In/Out; Aluminized. This products is created for those who are not afraid of the power. It is fine-tuned to deliver...
      The finest quality at a great priceOE quality parts from top original equipment and aftermarket manufacturers
      $89.58



    Guides & Articles
    Engines have often been compared to air pumps, because the engine that’s most efficient in terms of economy and power is the one that can get air in and out of its cylinders the easiest. That’s why most performance modifications like conical air filters, cold air intake systems, headers, and cat-back exhaust systems are aimed at making the intake and exhaust...
    You may be wondering why so many aftermarket performance exhaust system manufacturers are offering dual exhaust systems connected by "H-pipe" or "X-pipe" sections. After all, aren't two separate pipes, or so-called "true duals", the best for performance? The answer is no, but to understand why we have to examine how a typical internal combustion engine works.
    It's an age-old question that many have asked. Will an aftermarket exhaust be worth the expense? While they definitely can be, an important question to ask yourself is do you care more about the deeper sound they’re designed to produce, or the added performance gained from being less restrictive? As car enthusiasts, we’ve become accustomed to associating the...
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    Mercury Grand Marquis Models
    • Grand Marquis Base Performance Exhaust Systems
    • Grand Marquis Colony Park Performance Exhaust Systems
    • Grand Marquis GS Performance Exhaust Systems
    • Grand Marquis GSL Performance Exhaust Systems
    • Grand Marquis LS Performance Exhaust Systems
    • Grand Marquis LSE Performance Exhaust Systems
    • Grand Marquis Limited Edition Performance Exhaust Systems
    • Grand Marquis Ultimate Edition Performance Exhaust Systems