2003 Jeep Grand Cherokee Performance Exhaust Systems

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    • (0 reviews)
      # mpn1150405
      Jeep Grand Cherokee 4.0L with LEV1 Standard / with ULEV Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. Position: Front. Catalytic Converter Overall Length: 36.5"....
      $705.00
    • (1 review)
      # 1119811698
      Jeep Grand Cherokee 4.0L / 4.7L 2003, Touring™ Stainless Steel Cat-Back Exhaust System with Single Rear Exit by Borla®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.25". Exhaust System...
      $529.99
    • (0 reviews)
      # mpn1095586
      Jeep Grand Cherokee 4.0L / 4.7L 2003, MagnaFlow Series™ Stainless Steel Cat-Back Exhaust System with Single Rear Exit by MagnaFlow®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5". Exhaust...
      $620.90
    • (2 reviews)
      # 1119778161
      Jeep Grand Cherokee 4.0L / 4.7L 2003, Swept Side™ Single Cat-Back Exhaust System with Single Rear Exit by Gibson®. Exhaust Type: Cat-Back. Main Tubing Diameter: 2.5". Exhaust System Sound: Aggressive / Loud. Get increased horsepower...
      $307.54 - $378.61
    • (0 reviews)
      # mpn2195349
      Jeep Grand Cherokee 4.0L / 4.7L 2003, Ultra Flo™ Aluminized Steel Single Cat-Back Exhaust System with Single Rear Exit by DynoMax®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing Diameter: 2.5". Exhaust...
      $243.77
    • (0 reviews)
      # mpn3513651767
      Jeep Grand Cherokee 4.7L 2003, Steel 4-2-1 Tri-Y Exhaust Header Kit with Y-Pipes by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: CARB compliant. This complete header kit makes huge...
      $872.00
    • (0 reviews)
      # 61589062
      Jeep Grand Cherokee 4.0L 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you through the smog check. This...
      $150.97 - $415.58
    • (0 reviews)
      # 35503190
      Jeep Grand Cherokee 4.0L 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic...
      $104.81
    • (0 reviews)
      # 49716569
      Jeep Grand Cherokee 4.0L with LEV1 Standard / with ULEV Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. OEM Spec. If...
      $257.91 - $261.32
    • (0 reviews)
      # 317031992
      Jeep Grand Cherokee 4.0L 2003, OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you through the smog check. This...
      $212.74 - $539.13
    • (0 reviews)
      # 49716572
      Jeep Grand Cherokee 4.0L 2003, OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic...
      $128.07
    • (0 reviews)
      # 199202227
      Jeep Grand Cherokee 2003, Standard Grade Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Outlet Diameter: 2.5". Flowmaster's Standard Grade line of Manifold direct fit...
      $295.78 - $313.28
    • (0 reviews)
      # mpn2195177
      Jeep Grand Cherokee 4.0L / 4.7L 2003, Aluminized Steel Tailpipe by DynoMax®. Material: Aluminized Steel. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete the...
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      $119.13
    • (0 reviews)
      # mpn4498826981
      Jeep Grand Cherokee 4.0L 2003, Exhaust Header Gaskets by JBA®. JBA is proud to offer accessories to aid in the fitment of your JBA exhaust product. This product is made of high-quality materials to serve you for years to come. Designed...
      JBA's premium header flange gaskets are made extra thick from a specially made formulated gasket materialTheir gaskets are rated up to 1100 F
      $42.89
    • (0 reviews)
      # mpn2807450222
      Jeep Grand Cherokee 4.0L 2003, Header Armor™ Header Heat Shield Blanket by Heatshield®. Don’t let the heat of your engine make you sweat! With Heatshield Products Header Armor™, underhood temperatures can be reduced by up to 60...
      High quality at an affordable priceExpertly made from premium materials
      $88.80
    • (0 reviews)
      # mpn3918343188
      Jeep Grand Cherokee 2003, Exhaust Header Gaskets by Patriot Exhaust®. Sold in pairs. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and...
      Expertly crafted from premium materialsQuality design and workmanship
      $27.83
    • (0 reviews)
      # 262495245
      Jeep Grand Cherokee 2003, 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...
      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
      $30.60 - $39.19
    • (0 reviews)
      # 314954277
      Jeep Grand Cherokee 2003, 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...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $52.69 - $62.31
    • (1 review)
      # 176948301
      Jeep Grand Cherokee 2003, Replacement Exhaust Kit by Walker®. If you are looking for the ultimate in quality and value, then this superior replacement exhaust kit by Walker is what you need. All its components are designed with...
      Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound
      $36.12 - $528.18
    • (0 reviews)
      # mpn3765854320
      Jeep Grand Cherokee 4.0L / 4.7L 2003, Exhaust Muffler and Tailpipe Kit by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $305.63
    • (0 reviews)
      # 165480170
      Jeep Grand Cherokee 2003, Replacement Exhaust Kit by AP Exhaust®. Get confidence with this high-standard OE quality purchase which is perfect for those who want to perform a long-lasting exhaust system repair. Made from top-notch...
      Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape
      $37.06 - $457.51
    • (0 reviews)
      # 231142977
      Jeep Grand Cherokee 2003, Cast Iron Exhaust Manifold by Dorman®. Emissions: CARB compliant. Color: Natural. Header Coating: Uncoated. This product is made of high-quality materials to serve you for years to come. Designed using...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $130.95 - $161.95
    • (0 reviews)
      # 4504338
      Jeep Grand Cherokee 2003, Steel Exhaust Manifold by Omix-ADA®. Emissions: EPA compliant. Header Coating: Uncoated. Exhaust manifolds are generally very durable, but eventually they can develop cracks from the repeated expansion and...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $114.37 - $157.38
    • (0 reviews)
      # 231142994
      Jeep Grand Cherokee 2003, Steel Exhaust Manifold by Crown®. Color: Natural. Header Coating: Uncoated. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $85.87 - $192.00
    • (0 reviews)
      # 231313843
      Jeep Grand Cherokee 2003, Exhaust Manifold by ATP®. Emissions: EPA compliant. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the...
      Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
      $119.18 - $144.79
    • (0 reviews)
      # mpn4221745328
      Jeep Grand Cherokee 4.7L 2003, Y-Pipe Catalytic Converter Assembly by PaceSetter®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Location: Undercar. If you want to get the most out of your vehicle, this PaceSetter...
      Catalytic Converters are a direct replacement for original equipmentEngineered for durability and ease of installation
      $234.66
    • (0 reviews)
      # 350152213
      Jeep Grand Cherokee 4.0L Engine Family # 3CRXT04.02Z0 2003, CalCat™ Catalytic Converter and Pipe Assembly by Walker®. Emissions: CARB compliant. Converter Configuration: Direct Fit. Catalytic Converter Overall Length: 32". Walker is...
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $283.27 - $495.95
    • (0 reviews)
      # 350152226
      Jeep Grand Cherokee 4.0L Engine Family # 3CRXT04.02Z0 2003, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. With 1 Inlet. Without Air Tube. Without O2 Sensor Port....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $107.20 - $143.28
    • (0 reviews)
      # 87067391
      Jeep Grand Cherokee 4.0L 2003, Ultra™ Catalytic Converter and Pipe Assembly by Walker®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust...
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $112.80 - $263.30
    • (0 reviews)
      # 350152243
      Jeep Grand Cherokee 4.0L 2003, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. The Right converter, the Right choice....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $70.39 - $99.27
    • (0 reviews)
      # mpn1022371
      Jeep Grand Cherokee 4.0L with Federal Emission 2003, Catalytic Converter by Bosal®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Rear. If you’re in need of a replacement catalytic converter, you can’t do...
      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
      $111.54
    • (0 reviews)
      # mpn1262113
      Jeep Grand Cherokee 4.0L 2003, ECO II Y-Pipe Catalytic Converter Assembly by Eastern®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Front Undercar. With 2 O2 Sensor Ports. Catalytic Outlet Diameter: 2.5"....
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $263.04
    • (0 reviews)
      # mpn1222593
      Jeep Grand Cherokee 4.0L 2003, ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Rear Undercar. Catalytic Converter Body Shape: Large Oval. Without Air Tube. Without O2...
      Converts harmful engine emissions to less dangerous gases and water vaporAdvanced design for maximum engine output
      $82.61
    • (0 reviews)
      # mpn1268746
      Jeep Grand Cherokee 4.0L 2003, Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Rear. Location: Undercar. Without O2 Sensor Ports. Catalytic Inlet Diameter: 2.5"....
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $113.76
    • (0 reviews)
      # 949971160
      Jeep Grand Cherokee 4.7L 2003, Catalytic Converter and Pipe Assembly by Omix-ADA®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Center. The catalytic converter converts harmful gases like Carbon Monoxide (CO)...
      Reduces harmful emissionsRestores performance
      $766.03
    • (0 reviews)
      # 15314181
      Jeep Grand Cherokee 2003, Catalytic Converter by Omix-ADA®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Front. Built-In Heat Shield. Highly Durable. The catalytic converter converts harmful gases like...
      Reduces harmful emissionsRestores performance
      $371.87
    • (0 reviews)
      # 140262953
      Jeep Grand Cherokee 4.0L 2003, Catalytic Converter and Pipe Assembly by DEC®. Converter Configuration: Direct Fit. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These...
      Direct fitMade from a heavy duty stainless steel outer shell
      $131.47 - $626.89
    • (0 reviews)
      # 466027289
      Jeep Grand Cherokee 2003, 608 Series Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Oval. Without Air Tube. With 1 Passenger Side O2...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $97.09
    • (0 reviews)
      # 80142033
      Jeep Grand Cherokee 2003, Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Rear. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet...
      5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions
      $127.59
    • (0 reviews)
      # 842204645
      Jeep Grand Cherokee 2003, Catalytic Converter and Pipe Assembly by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Front. Without Air Tube. The growing concern for the environment means there is a...
      5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions
      $297.22 - $457.51
    • (0 reviews)
      # mpn4478194430
      Jeep Grand Cherokee RWD / 4WD 4.0L 2003, Catalytic Converter by Davico®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Rear. Catalytic Converter Overall Length: 23.5". Without Gaskets. This direct-fit...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $117.07
    • (0 reviews)
      # 546147319
      Jeep Grand Cherokee 4.0L 2003, Catalytic Converter and Pipe Assembly by Davico®. Converter Configuration: Direct Fit. Without Gaskets. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $117.74 - $498.16
    • (0 reviews)
      # mpn4516843460
      Jeep Grand Cherokee 4WD / AWD 4.0L Engine Family # 3CRXT04.02Z0 with LDT2 Weight Class with LEV1 Standard / with ULEV Standard 2003, Catalytic Converter by Davico®. Emissions: CARB compliant. Converter Configuration: Universal Fit....
      $284.74
    • (0 reviews)
      # 258784482
      Jeep Grand Cherokee 2003, Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler by Walker®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.25". Muffler Body Length: 26". Muffler Overall Length: 30". Muffler...
      Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire
      $73.81
    • (0 reviews)
      # 833029908
      Jeep Grand Cherokee 2003, SoundFX™ Aluminized Steel Oval Direct-Fit Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.25". Muffler Body Length: 26". Muffler Overall Length: 30". Muffler...
      Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design
      $50.71
    • (0 reviews)
      # mpn1210996
      Jeep Grand Cherokee 2003, Oval Exhaust Muffler by Omix-ADA®. Continuous Roving Fiberglass Filling. Mufflers corrode from within and without, eventually developing holes where exhaust escapes. These holes can increase exhaust noise and...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $179.06
    • (0 reviews)
      # 399697533
      Jeep Grand Cherokee 4.0L 2003, Aluminized Steel Exhaust Tailpipe by Walker®. Material: Aluminized Steel. Emissions: EPA compliant. If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $36.12
    • (0 reviews)
      # mpn1185688
      Jeep Grand Cherokee 4.7L 2003, Aluminized Steel Exhaust Tailpipe by Omix-ADA®. Material: Aluminized Steel. Exhaust pipes corrode from within and without, eventually developing holes where exhaust escapes. These holes can increase...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $103.36
    • (0 reviews)
      # mpn4498787983
      Jeep Grand Cherokee 4.0L 2003, Exhaust Tailpipe by Davico®. Position: Rear. 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...
      High quality at an affordable priceExpertly made from premium materials
      $27.78
    • (0 reviews)
      # mpn4523995662
      Jeep Grand Cherokee 4.0L / 4.7L 2003, Exhaust System Hanger by Eastern Exhaust®. Style: Weld-on. Material: Rubber. Finish: Natural. Length: 3". This top-grade product is expertly made in compliance with stringent industry standards to...
      Will cover your exhaust needs and even moreBuilt with high performance in mind
      $8.78
    • (0 reviews)
      # 485580128
      Jeep Grand Cherokee 4.0L 2003, 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...
      ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsCustomers can receive better gas mileage with a properly working oxygen sensor
      $53.56 - $59.38
    • (0 reviews)
      # 4502382
      Jeep Grand Cherokee 2003, Oxygen Sensor by Omix-ADA®. Has your Jeep failed an emission inspection? Do you have a Check Engine light on? Over time oxygen sensors will go bad. They are usually easy to replace and will keep you on the road...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $118.51 - $123.23
    • (0 reviews)
      # 16672350
      Jeep Grand Cherokee 2003, Oxygen Sensor by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $52.39 - $100.42
    • (0 reviews)
      # 81770964
      Jeep Grand Cherokee 4.0L 2003, 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...
      OE connectors and wire lengths within 3" of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $34.76 - $44.10
    • (1 review)
      # 44947275
      Jeep Grand Cherokee 4.0L 2003, 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...
      One-piece laser welded body for maximum protection and precise operation maintaining sensor integrityDual internal talc seal makes your oxygen sensors last longer
      $31.70 - $44.92
    • (0 reviews)
      # 24164064
      Jeep Grand Cherokee 4.0L 2003, Premium Oxygen Sensor by Bosch®. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an Oxygen Sensor from Bosch that...
      OE Identical ConnectorCompact Design
      $23.13 - $25.85
    • (0 reviews)
      # 24164081
      Jeep Grand Cherokee 4.0L 2003, Universal Fit Oxygen Sensor by Bosch®. Universal Oxygen Sensors with OE SmartLink™ are quick and easy to install. Each sensor has enough length of sensor wire to allow maximum replacement of worn...
      Patented SmartLink™ connector systemNo special tools required for installation
      $34.02
    • (0 reviews)
      # 1208538226
      Jeep Grand Cherokee 4.0L 2003, 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...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $24.49 - $31.41
    • (0 reviews)
      # 57010836
      Jeep Grand Cherokee 4.0L 2003, Universal Fit 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...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $35.16
    • (0 reviews)
      # 1208538222
      Jeep Grand Cherokee 4.0L 2003, Oxygen Sensor by NTK®. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then sends voltage...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $23.86 - $30.20




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    2003 Grand Cherokee Performance Exhaust Systems Reviews

    Average rating:  5  5 - 1 review
    4.8 of 5
    I Like The Product
    The parts are great, but delivery not so much. Part was delivered on Friday to UPS in my town and I didn't get it until the following Wednesday.
    MPosted by Michael Martin (Denton, TX) / September 8, 20162003 Jeep Grand Cherokee
    Was this review helpful for you? Yes
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