2000 Mercury Grand Marquis Performance Exhaust Systems

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    • Stainless Works® 304 SS Exhaust System
      (0 reviews)
      # 82924403
      Mercury Grand Marquis 2V carburetor 2000, 304 SS 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...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $1,035.00 - $1,045.00
    • Stainless Works® 304 SS Headers
      (0 reviews)
      # 82924406
      Mercury Grand Marquis 2V carburetor 2000, 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...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $1,102.50 - $1,292.50
    • Stainless Works® 304 SS Headers, 1.625"
      (0 reviews)
      # 82922349
      Mercury Grand Marquis 2V carburetor 2000, 304 SS Headers, 1.625" by Stainless Works®. Headers with 1.625" Diameter primaries and 3" slip fit collectors - headers only. This superior product is made from high-grade stainless steel...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $927.00
    • Flowmaster® Direct Fit Stainless Steel Catalytic Converter with Ceramic Substrate
      (0 reviews)
      # 34451589
      Mercury Grand Marquis 2000, Direct Fit Stainless Steel Catalytic Converter by Flowmaster®. 2.25" Inlet / 2.25" Outlet. Substrate Material: Ceramic. Inlet Connection Type: Flanged. Outlet Connection Type: Flanged. With Pre And...
      Exceed all federal emission standardsStainless Steel shells
      $218.74 - $221.16
    • MagnaFlow® Direct Fit California OBDII Catalytic Converter
      (0 reviews)
      # 85645501
      Mercury Grand Marquis with LEV1 LEV Specification 2000, Direct Fit California OBDII Catalytic Converter by MagnaFlow®. 2.25" Inlet / 2.25" Outlet Diameter. If your car needs replacement, install one that will get you through the...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $441.63 - $448.45
    • MagnaFlow® Direct Fit Federal OEM Grade Catalytic Converter
      (0 reviews)
      # 61589602
      Mercury Grand Marquis 2000, Direct Fit Federal OEM Grade Catalytic Converter by MagnaFlow®. Includes Gasket. If your car needs replacement, install one that will get you through the smog check and give you more horsepower. This...
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $325.92 - $332.90
    • MagnaFlow® Direct Fit Federal Pre-OBDII Catalytic Converter
      (0 reviews)
      # 61589603
      Mercury Grand Marquis 2000, Direct Fit Federal Pre-OBDII Catalytic Converter by MagnaFlow®. 2.5" Inlet / 2.5" Outlet Diameter. Includes Gasket, O2 Sensor Ports. Without Air Tube. If your car needs replacement, install one that will...
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $237.66 - $244.65
    • Hooker® Super Competition™ Fiber Header Gasket
      (0 reviews)
      # 64168091
      Mercury Grand Marquis 2000, Super Competition™ Fiber Header Gasket by Hooker®. 0.060" Thick. 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
      $12.89
    • Cometic Gasket® 0.030" MLS Exhaust Head Gasket
      (0 reviews)
      # 61602109
      Mercury Grand Marquis 2000, 0.030" MLS Exhaust Head Gasket by Cometic Gasket®. Compressed Thickness: 0.030". Port Style: Stock. Cometic MLS Gaskets are comprised of multiple layers of stainless steel providing a even load across...
      $37.99
    • Magnum Gasket® Exhaust Manifold Gasket Set
      (0 reviews)
      # 82704404
      Mercury Grand Marquis 2000, Exhaust Manifold Gasket Set by Magnum Gasket®. Standard. Magnum's Gasket engineers have utilized their many years of engine sealing experience to select the right technology choice for each of the Intake...
      $8.49
    • Dorman® Exhaust Manifold
      (0 reviews)
      # 16499866
      Mercury Grand Marquis 2000, Exhaust Manifold by Dorman®. Shape: Round; Package Quantity: 1; Package Type: Box. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a complete...
      Cast iron or stainless tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $71.04 - $80.59
    • Walker® CalCat™ Standard Oval Direct Fit Catalytic Converter
      (0 reviews)
      # 8744976
      Mercury Grand Marquis 2000, CalCat™ Standard Oval Direct Fit Catalytic Converter by Walker®. Inlet Diameter 1: 3". Outlet Diameter: 2". Body Dimensions: 10" Length x 6.125" Width x 4.25" Height. Inlet / Outlet Quantity: 1 Inlet /...
      $265.31 - $269.19
    • Walker® CalCat™ Universal Fit Catalytic Converter
      (0 reviews)
      # 87067896
      Mercury Grand Marquis 2000, CalCat™ Universal Fit Catalytic Converter by Walker®. Inlet / Outlet Quantity: 1 Inlet / 1 Outlet. Connection Type: Pipe Inlet and Outlet Connection. Oxygen Sensor Location: without O2 Sensor Port....
      EPA & CARB Emissions Products Available for Most Vehicles5 Year / 50,000 Miles Warranty on Structural Components
      $65.06 - $86.44
    • Walker® Ultra™ Small Oval Universal Fit Catalytic Converter
      (0 reviews)
      # 87067897
      Mercury Grand Marquis with Federal Emission 2000, Ultra™ Small Oval Universal Fit Catalytic Converter by Walker®. Inlet Diameter 1: 2". Outlet Diameter: 2". Overall Length: 13.25". Body Dimensions: 10" Length x 6.125" Width x...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $91.29
    • Walker® Ultra™ Standard Oval Direct Fit Catalytic Converter
      (0 reviews)
      # 86438089
      Mercury Grand Marquis with Federal Emission 2000, Ultra™ Standard Oval Direct Fit Catalytic Converter by Walker®. Overall Length: 32.5". Body Dimensions: 10" Length x 6.125" Width x 4.25" Height. Inlet / Outlet Quantity: 1 Inlet...
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $152.46 - $175.96
    • Bosal® Federal Catalytic Converter
      (0 reviews)
      # 20574032
      Mercury Grand Marquis 2000, Federal Catalytic Converter by Bosal®. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle manufacturers and use advanced...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $183.83 - $185.72
    • Eastern® ECO CARB Direct Fit Catalytic Converter
      (0 reviews)
      # 73909206
      Mercury Grand Marquis 2000, ECO CARB Direct Fit Catalytic Converter by Eastern®. If you need to replace your failed or damaged catalytic converter, this product is the right choice. Designed specifically for your vehicle, this...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $258.99 - $292.80
    • Eastern® ECO II Direct Fit Catalytic Converter
      (0 reviews)
      # 38847175
      Mercury Grand Marquis 2000, ECO II Direct Fit Undercar Catalytic Converter by Eastern®. If you need to replace your failed or damaged catalytic converter, this product is the right choice. Designed specifically for your vehicle,...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $125.08
    • Eastern® ECO II Universal Fit Catalytic Converter
      (0 reviews)
      # 38847176
      Mercury Grand Marquis Federal Emission 2000, ECO II Universal Fit Catalytic Converter by Eastern®. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you definitely need a new one, and...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $62.25 - $64.60
    • DEC® Direct Fit Catalytic Converter
      (0 reviews)
      # 86072953
      Mercury Grand Marquis 2000, Direct Fit Catalytic Converter by DEC®. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made from a heavy duty...
      Direct fitMade from a heavy duty stainless steel outer shell
      $245.00 - $264.60
    • DEC® Direct Fit Catalytic Converter with Pipe Assembly
      (0 reviews)
      # 81060710
      Mercury Grand Marquis 2000, Direct Fit Catalytic Converter with Pipe Assembly by DEC®. LEV1, TIER1, TLEV Specification. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again....
      Direct fitMade from a heavy duty stainless steel outer shell
      $539.00 - $544.60
    • AP Exhaust® 608 Series Catalytic Converter
      (0 reviews)
      # 81398601
      Mercury Grand Marquis CARB Compliant / EPA Compliant 2000, 608 Series Catalytic Converter by AP Exhaust®. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic converters are efficient at the oxidation of HC’s and CO, and...
      Manufactured from high quality materialsDesign meet needs of OBDII equipped vehicles
      $88.89 - $107.20
    • AP Exhaust® Direct Fit Catalytic Converter
      (0 reviews)
      # 80144305
      Mercury Grand Marquis CARB Compliant / EPA Compliant 2000, Direct Fit Catalytic Converter by AP Exhaust®. The growing concern for the environment means there is a growing need for quality emission control products. AP catalysts and...
      Manufactured from high quality materialsDesign meet needs of OBDII equipped vehicles
      $197.45 - $218.22
    • Walker® Quiet-Flow™ Stainless Steel Oval Muffler
      (0 reviews)
      # 35477234
      Mercury Grand Marquis 2000, Quiet-Flow™ Stainless Steel Aluminized Oval Muffler by Walker®. Inlet Diameter 1: 2". Inlet Configuration: Offset. Outlet Diameter: 2". Outlet Configuration: Center. Inlet / Outlet Quantity: 1 Inlet /...
      $68.62 - $70.82
    • Walker® Round Resonator Assembly
      (0 reviews)
      # 35477238
      Mercury Grand Marquis 2000, Stainless Steel Aluminized Round Resonator Assembly by Walker®. Inlet Diameter 1: 2". Outlet Diameter: 2". Overall Length: 57.625". Body Dimensions 1: 14" Length x 3" Width x 3" Height. Inlet / Outlet...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $52.07
    • Walker® SoundFX™ Stainless Steel Oval Direct Fit Muffler
      (0 reviews)
      # 18169982
      Mercury Grand Marquis 2000, SoundFX™ Stainless Steel Aluminized Oval Direct Fit Muffler by Walker®. Inlet Diameter 1: 2". Inlet Configuration: Offset. Outlet Diameter: 2". Inlet / Outlet Quantity: 1 Inlet / 1 Outlet. Dimensions:...
      $58.06 - $58.56
    • AP Exhaust® Challenge Series Muffler
      (0 reviews)
      # 80144308
      Mercury Grand Marquis 2000, Challenge Series Muffler 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...
      Limited Lifetime Warranty backed by AP Exhaust Products100% aluminized components
      $63.30 - $83.70
    • AP Exhaust® MSL Maximum Direct Fit Muffler
      (0 reviews)
      # 80144314
      Mercury Grand Marquis 2000, MSL Maximum Direct Fit Muffler by AP Exhaust®. Cross Section: 4.06" x 10.5". Body Shape: Oval. Inlet Diameter: 2". Outlet Diameter: 2". Includes Flange and Inlet Neck. This superior product was carefully...
      Designed for a quiet ride100% aluminized components for longer life
      $61.07 - $61.86
    • Walker® Aluminized H-Pipe
      (0 reviews)
      # 18145630
      Mercury Grand Marquis with Dual Exhaust 2000, Aluminized H-Pipe by Walker®. Outlet Diameter: 2". Overall Length: 38.625". Inlet / Outlet Quantity: 2 Inlets / 2 Outlets. Inlet Connection Type: 2 Bolt Welded Flange. Outlet Connection...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $44.79
    • Walker® Aluminized Y-Pipe
      (0 reviews)
      # 18183547
      Mercury Grand Marquis with Single Exhaust 2000, Aluminized Y-Pipe by Walker®. Outlet Diameter: 2". Overall Length: 38.625". Inlet / Outlet Quantity: 2 Inlets / 1 Outlet. Inlet Connection Type: 2 Bolt Welded Flange. Outlet...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $41.86
    • Walker® Tail Pipe
      (0 reviews)
      # 35477232
      Mercury Grand Marquis 2000, Stainless Steel Aluminized Tail Pipe by Walker®. Inlet Diameter 1: 2". Inlet / Outlet Quantity: 1 Inlet / 1 Outlet. Inlet Connection Type: Pipe Connection. Outlet Connection Type: Spout.
      $37.34 - $40.80
    • Walker® Insulator
      (0 reviews)
      # 35437673
      Mercury Grand Marquis with Dual Exhaust / with Single Exhaust 2000, Insulator by Walker®. Overall Length: 2.375". Inlet / Outlet Quantity: 1 Inlet / 1 Outlet. With their extensive selection of accessories and hardware for the...
      Makes installation quick and easyOptimal OE-style fit and quality
      $6.86
    • Walker® U-Bolt Clamp
      (1 reviews)
      # 18129520
      Mercury Grand Marquis with Dual Exhaust / with Single Exhaust 2000, U-Bolt Clamp by Walker®. Diameter: 2". Inlet / Outlet Quantity: 1 Inlet / 1 Outlet. With their extensive selection of accessories and hardware for the exhaust...
      Makes installation quick and easyOptimal OE-style fit and quality
      $1.44
    • Fel-Pro® Exhaust Manifold Gasket Set
      (0 reviews)
      # 19063581
      Mercury Grand Marquis 2000, Exhaust Manifold Gasket Set by Fel-Pro®, Improved Design. 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...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $11.61
    • Walker® 2 Bolt Exhaust Gasket
      (0 reviews)
      # 18137699
      Mercury Grand Marquis with Dual Exhaust / with Single Exhaust 2000, 2 Bolt Exhaust Gasket by Walker®. Inlet / Outlet Quantity: 1 Inlet / 1 Outlet. Thickness: 0.13". Bolt Hole Diameter: 0.39". Port Dimensions: 2.12" Length x 2.12"...
      Makes installation quick and easyOptimal OE-style fit and quality
      $5.32
    • Bosal® Exhaust Flange Gasket
      (0 reviews)
      # 20553407
      Mercury Grand Marquis with Driver Side Converter / with Passenger Side Converter Outlet 2000, Exhaust Flange Gasket by Bosal®. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $4.06
    • Fel-Pro® Exhaust Pipe Flange Gasket
      (0 reviews)
      # 19073747
      Mercury Grand Marquis 2000, Exhaust Pipe Flange Gasket by Fel-Pro®. Location: Converter. 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...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $3.70
    • Victor Reinz® Catalytic Converter Gasket
      (0 reviews)
      # 24032694
      Mercury Grand Marquis 2000, Catalytic Converter Gasket by Victor Reinz®, Use 1 per Car. Flange Gasket. OEM Standard. Material: Graphite. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to...
      $3.48
    • Victor Reinz® Exhaust Manifold Gasket
      (0 reviews)
      # 24176132
      Mercury Grand Marquis 2000, Exhaust Manifold Gasket by Victor Reinz®, Use 1 per Car. OEM Standard. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. But...
      $9.86 - $39.98
    • Victor Reinz® Exhaust Pipe Flange Gasket
      (0 reviews)
      # 24042612
      Mercury Grand Marquis 2000, Exhaust Pipe Flange Gasket by Victor Reinz®, Use 1 per Car. Muffler to Tailpipe. Flange Gasket. OEM Standard. Material: Graphite. When you’re low on oil, coolant or some other fluid, you may be tempted...
      $3.48
    • Walker® Universal Fit Manifold Converter
      (0 reviews)
      # 85233462
      Mercury Grand Marquis with Federal Emission 2000, Universal Fit Manifold Converter by Walker®. This component is constructed for your vehicle’s specific emissions requirements and designed to meet EPA regulations. The part...
      Constructed to meet your vehicle’s specific emissions requirements49-State legal and 50-State legal catalytic converters are available
      $76.05
    • Dorman® Front Exhaust Flange Stud and Nut
      (0 reviews)
      # 31666480
      Mercury Grand Marquis 2000, Front Exhaust Flange Stud and Nut by Dorman®. Size: M12-1.75 x 62mm; Package Quantity: 1; Package Type: Card. This is an aftermarket part that replaces factory OE # N811341-S101. Dorman’s Exhaust...
      Direct replacement for a proper fit every timeDurable steel construction
      $8.52
    • Flowmaster® 200 Series OBDII Round Catalytic Converter
      (2 reviews)
      # 492248
      Universal 200 Series OBDII Stainless Steel Round Catalytic Converter by Flowmaster®. Inlet / Outlet Connection Type: Slip-Fit. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet and exceed...
      Exceed all federal emission standardsStainless Steel shells
      $116.53 - $204.95
    • Flowmaster® 220 Series Oval Catalytic Converter
      (5 reviews)
      # 87243712
      Universal 220 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Inlet / Outlet Connection Type: Slip-Fit. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet and exceed all...
      Exceed all federal emission standardsStainless Steel shells
      $68.56
    • Flowmaster® 222 Series Round Catalytic Converter
      (5 reviews)
      # 87243734
      Universal 222 Series Stainless Steel Round Catalytic Converter by Flowmaster®. Inlet / Outlet Connection Type: Slip-Fit. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet and exceed all...
      Exceed all federal emission standardsStainless Steel shells
      $67.12
    • Flowmaster® 223 Series Round Catalytic Converter
      (2 reviews)
      # 492138
      Universal 223 Series Stainless Steel Round Catalytic Converter by Flowmaster®. Inlet / Outlet Connection Type: Slip-Fit. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet and exceed all...
      Exceed all federal emission standardsStainless Steel shells
      $73.86
    • Flowmaster® 225 Series Oval Catalytic Converter
      (2 reviews)
      # 492154
      Universal 225 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Inlet / Outlet Connection Type: Slip-Fit. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet and exceed all...
      Exceed all federal emission standardsStainless Steel shells
      $68.02 - $71.98
    • Flowmaster® 240 Series Oval Catalytic Converter
      (7 reviews)
      # 87243745
      Universal 240 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Inlet / Outlet Connection Type: Slip-Fit. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet and exceed all...
      Exceed all federal emission standardsStainless Steel shells
      $141.53 - $144.93
    • Flowmaster® 250 Series Oval Catalytic Converter
      (5 reviews)
      # 87243747
      Universal 250 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Inlet / Outlet Connection Type: Slip-Fit. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet and exceed all...
      Exceed all federal emission standardsStainless Steel shells
      $130.99 - $147.34
    • Flowmaster® 260 Series Stainless Steel Oval Catalytic Converter (2600230)
      (5 reviews)
      # mpn886220
      Universal 260 Series Stainless Steel Oval Catalytic Converter without Air Tube by Flowmaster®. 3" Inlet / 3" Outlet Diameter, 21.5" Length. Inlet / Outlet Connection Type: Slip-Fit. Without O2 Sensor Port. The new Flowmaster...
      Exceed all federal emission standardsStainless Steel shells
      $247.74
    • Flowmaster® 282 Series OBDII Catalytic Converter
      (7 reviews)
      # 492281
      Universal 282 Series OBDII 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,...
      Exceed all federal emission standardsStainless Steel shells
      $102.20 - $142.92
    • Flowmaster® 283 Series OBDII Round Catalytic Converter
      (2 reviews)
      # 3138250
      Universal 283 Series OBDII Stainless Steel Round Catalytic Converter by Flowmaster®. Inlet / Outlet Connection Type: Slip-Fit. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal...
      Exceed all federal emission standardsStainless Steel shells
      $110.23 - $127.74
    • Flowmaster® 284 Series OBDII Oval Catalytic Converter
      (2 reviews)
      # 87281464
      Universal 284 Series OBDII Stainless Steel Oval Catalytic Converter by Flowmaster®. Inlet / Outlet Connection Type: Slip-Fit. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to meet and exceed...
      Exceed all federal emission standardsStainless Steel shells
      $187.88
    • Flowmaster® 290 Series Oval Catalytic Converter
      (5 reviews)
      # 87243764
      Universal 290 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Inlet / Outlet Connection Type: Slip-Fit. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal environmental...
      Exceed all federal emission standardsStainless Steel shells
      $108.66 - $128.44
    • Flowmaster® 3512 Series OBDII Stainless Steel Oval Catalytic Converter (3512025)
      (2 reviews)
      # mpn918025
      Universal 3512 Series OBDII Stainless Steel Oval Catalytic Converter without Air Tube by Flowmaster®. 2.5" Inlet / 2.5" Outlet Diameter, 14.25" Length. Inlet / Outlet Connection Type: Clamp-On. The new Flowmaster replacement...
      Exceed all federal emission standardsStainless Steel shells
      $163.39
    • Flowmaster® 3588 Series Pre-OBDII Round Catalytic Converter
      (2 reviews)
      # 23000953
      Universal 3588 Series Pre-OBDII Stainless Steel Round Catalytic Converter by Flowmaster®. Inlet / Outlet Connection Type: Slip-Fit. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal...
      Exceed all federal emission standardsStainless Steel shells
      $197.80
    • Flowmaster® 3589 Series Pre-OBDII Round Catalytic Converter
      (2 reviews)
      # 23000959
      Universal 3589 Series Pre-OBDII Stainless Steel Round Catalytic Converter by Flowmaster®. Inlet / Outlet Connection Type: Slip-Fit. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal...
      Exceed all federal emission standardsStainless Steel shells
      $218.19 - $343.62
    • Flowmaster® 3612 Series OBDII Stainless Steel Oval Catalytic Converter (3612024)
      (2 reviews)
      # mpn918033
      Universal 3612 Series OBDII Stainless Steel Oval Catalytic Converter without Air Tube by Flowmaster®. 2.25" Inlet / 2.25" Outlet Diameter, 12.25" Length. Inlet / Outlet Connection Type: Clamp-On. The new Flowmaster replacement...
      Exceed all federal emission standardsStainless Steel shells
      $185.80
    • Flowmaster® 3612 Series Stainless Steel Oval Catalytic Converter (3612125)
      (2 reviews)
      # mpn918035
      Universal 3612 Series Stainless Steel Oval Catalytic Converter without Air Tube by Flowmaster®. 2.5" Inlet / 2.5" Outlet Diameter, 12.25" Length. Inlet / Outlet Connection Type: Clamp-On. The new Flowmaster replacement catalytic...
      Exceed all federal emission standardsStainless Steel shells
      $146.59
    • Flowmaster® 3910 Series OBDII Stainless Steel Round Catalytic Converter (3910124)
      (2 reviews)
      # mpn918036
      Universal 3910 Series OBDII Stainless Steel Round Catalytic Converter without Air Tube by Flowmaster®. 2.25" Inlet / 2.25" Outlet Diameter, 14.25" Length. Inlet / Outlet Connection Type: Clamp-On. The new Flowmaster replacement...
      Exceed all federal emission standardsStainless Steel shells
      $271.21




    Guides & Articles

    • Performance Parts
      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 systems less restrictive. These parts increase the flow of air into the engine and ease the flow of exhaust gas out of the engine. Among these components, headers may be the most difficult to install. In this article, we’ll discuss what headers do, their different types, and how much performance they can add to your car.
    • Performance Parts
      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.
    • Performance Parts
      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 sound of a car with its exhaust. After all, doesn’t everyone have a childhood memory or two of a car and the particular sound it made?
    • Performance Parts
      Regardless of whether you're shopping for a simple replacement muffler that delivers original equipment (OE) sound and performance or an upgraded muffler which provides a deeper growl with increased power through freer exhaust flow, you'll see choices between "direct fit" mufflers and "universal" mufflers. In this article, we'll help you understand the differences between these two styles so you can make a more informed purchase.

    Popular Products

    2000 Grand Marquis Performance Exhaust Systems Reviews

    Average rating:  4.5  4.5 - 77 reviews
    4 of 5
    Supper Cool Sound!
    I bought this for my Mitsubishi and it sounds awesome! It's got a 3.5 l v6 and it makes it sound like its very souped up! And almost like it has a v8 in it. I couldn't be more happy with this product the sound will blow your mind on whatever you choose to put it on whether it be a six cylinder like I put it on or a v8 very much recommend this product if you want a really nearly sound.
    SPosted by Shawn (Shakopee, MN) /
    Was this review helpful for you? Yes
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