2004 Jeep Wrangler Performance Exhaust Systems

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    • (0 reviews)
      # 573088
      Jeep Wrangler Rubicon 2004, Force II™ Stainless Steel Single Cat-Back Exhaust System with Tip by Flowmaster®. Polished SS Tip. Tip Outlet Diameter: 2.5". Exhaust Pipe Material: Stainless Steel. Exhaust Type: Cat-Back. Muffler...
      Available sound levels: Mild Sound / Mild - Moderate Sound (depends on application and exhaust type)Increases Power
      $514.97
    • (0 reviews)
      # 20209985
      Jeep Wrangler 2004, Competition Series Stainless Steel Cat-Back Exhaust System by MagnaFlow®. Muffler Sound: AGGRESSIVE. Exit Location: Single Straight Passenger Side Rear Exit. Exit Quantity: Single. Finish: Stainless. Exhaust...
      Aggressive SoundDelivers More Horsepower
      $479.03
    • (0 reviews)
      # 20209991
      Jeep Wrangler 2004, MagnaFlow Series Stainless Steel Cat-Back Exhaust System with Tip by MagnaFlow®. Tip Material: Stainless. Muffler Sound: MODERATE. Exit Location: Single Straight Passenger Side Rear Exit. Exit Quantity: Single....
      Built In Stainless Steel For DurabilityTuned, Powerful Exhaust Sound
      $608.97 - $634.60
    • (0 reviews)
      # 20209988
      Jeep Wrangler 2004, Off-Road Pro Series Stainless Steel Cat-Back Exhaust System with Tip by MagnaFlow®. Tip Material: Stainless. Muffler Sound: AGGRESSIVE. Exit Location: Turn Down In Front Of Rear Tire Exit. Exit Quantity: Single....
      Moderate - Aggressive SoundDesigned for Serious Off Road Racing
      $357.78 - $380.16
    • (0 reviews)
      # 58887482
      Jeep Wrangler 2004, Touring™ Stainless Steel Single Cat-Back Exhaust System by Borla®. Muffler Sound: MILD TONE. Muffler Series: Touring™. System Type: Cat-Back. Exit Location: Single Right Rear Exit. Exit Configuration:...
      Mild Growl SoundHorsepower and torque increased by 7 – 10%
      $449.99 - $469.99
    • (0 reviews)
      # 3734840
      Jeep Wrangler 2004, Swept Side™ Exhaust System by Gibson®. Exhaust Inlet Connection Type: Bolt-On. Exhaust Type: Cat-Back. Exit Configuration: Single. Exit Location: Straight Out The Back Exit. Muffler Chamber Diameter: 4" x 9"....
      Less restriction for increased exhaust flowIncrease of 10-15 horsepower and pound feet of torque
      $334.99 - $432.62
    • (0 reviews)
      # 106487500
      Jeep Wrangler 2004, Installer Series™ Cat-Back Exhaust System by MBRP®. Series: Installer Series™. Exhaust Pipe Material: Aluminized Steel. Exhaust Type: Cat-Back. CARB Compliant: Yes. The Installer Series from MBRP brings you...
      Boosts horsepower and torqueMellow, authoritative exhaust note
      $259.99 - $269.99
    • (0 reviews)
      # 4369953
      Jeep Wrangler 2004, XP Series™ Cat-Back Exhaust System by MBRP®. Series: XP Series™. Exhaust Type: Cat-Back. CARB Compliant: Yes. The XP series exhausts from MBRP is for the no-compromise enthusiast who insists on a rugged...
      Mellow, authoritative exhaust noteConstructed entirely of T409 stainless steel
      $214.99 - $309.99
    • (0 reviews)
      # 45909567
      Jeep Wrangler MFI 2004, Monster™ Single Exhaust System by Banks®. Single Rear Turndown Exit. Improve performance and economy with a Banks Monster Exhaust system. Increased pipe size is only part of it. Banks uses...
      Large-diameter stainless steel pipes and muffler6" x 5" polished 304 stainless exhaust tip
      $239.00 - $249.00
    • (0 reviews)
      # 901704
      Jeep Wrangler 4.0L 2004, Sport Polished Stainless Steel Cat-Back Exhaust System by dB®. System Type: Cat-Back. Exhaust Pipe Material: Stainless Steel. Exit Quantity: Single. Exit Location: Single Side Exit. Main Piping Diameter:...
      Engineered Specifically for Each ApplicationSound Tuned to Character of Vehicle
      $525.69
    • (0 reviews)
      # 105140885
      Jeep Wrangler 242 CID 2004, Mach Force XP™ Cat-Back Exhaust System by aFe®. Exhaust Type: Cat-Back. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach...
      Up to 29% Greater Exhaust Flow than stock systemIncreases horsepower and torque
      $395.00 - $445.00
    • (0 reviews)
      # 18220591
      Jeep Wrangler 2004, Super Turbo™ Exhaust System by DynoMax®. Exit Location: Rear. Exit Quantity: Single. System Type: Cat-Back. Main Piping Diameter: 2.5". Tip Outlet Diameter: 2.5". Dyno proven to flow up to 70 SCFM. Get...
      Constructed to increase horsepower and torque thanks to improved exhaust flowStainless steel Super Turbo muffler will maintain a mellow performance tone
      $151.69 - $224.04
    • (0 reviews)
      # 21745142
      Jeep Wrangler 2004, Catback Vortex Exhaust System, Single Right Outlet, Stainless Steel by Rugged Ridge®. Get improved performance, increased mileage and throaty sound with this cat-back exhaust system. The Vortex muffler and...
      Less exhaust restriction than factory pipes and mufflerAllows your engine to breathe better for an increase of approximately 10 horsepower
      $543.99
    • (0 reviews)
      # 136722474
      Jeep Wrangler 2004, TFX Performance Stainless Steel Cat-Back Exhaust System by PaceSetter®. Exhaust Type: Cat-Back. Exhaust Material: Stainless Steel. Tubing Diameter: 3". If you want to get the most out of your vehicle, this...
      Installs behind catalytic converter, legal in all statesReady to install, nothing else to buy
      $207.28 - $216.16
    • (0 reviews)
      # 1221546
      Jeep Wrangler 4.0L 2004, Short Tube Header by Borla®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.25". CARB Compliant: No. System Type: Short Tube. 304 stainless steel for long life. Connects to the factory...
      Austenitic 304 stainless steel tubing means a lifetime product that won’t ever corrode or deteriorateAll bends are mandrel-bent for smooth transitions and maximum flow characteristics
      $856.99
    • (0 reviews)
      # 3144300
      Jeep Wrangler Rubicon / Sahara / Sport / Unlimited / X MFI 2004, TorqueTube™ Exhaust Manifold System by Banks®. Includes Intake, TransferTube, Air Filter, Filter Housing, Head Shield, Exhaust Manifolds, Y-Pipe, Muffler, Exhaust....
      Shorty style fits in stock engine bayStainless steel for long service life
      $486.92
    • (0 reviews)
      # 105140883
      Jeep Wrangler 242 CID 2004, Twisted Steel™ Headers by aFe®. The new Twisted Steel performance header from aFe Power is redefining the header industry with the new pulse control technology. aFe engineers have designed this header...
      Optimized Tube Lengths Improve Flow and Performance100% hand MIG-welded construction ensures optimal strength and durability
      $595.00 - $1,195.00
    • (0 reviews)
      # 97262738
      Jeep TJ / Wrangler 242 CID 2004, Twisted Steel™ Stainless Steel Long Tube Race Headers with Non-Catted Y-Pipe by aFe®. The new Twisted Steel performance header from aFe Power is redefining the header industry with the new pulse...
      16-gauge 304 stainless steel mandrel-bent tubing for unrestricted flow4-to-1 formed collectors decrease turbulence and increases exhaust velocity
      $995.00
    • (0 reviews)
      # 21434338
      Jeep Wrangler 2004, Exhaust Header by Rugged Ridge®. Replace your restrictive factory exhaust manifold with one of these free-flowing headers and let your engine breathe! Available in your choice of black painted steel, 409...
      Improves exhaust flowIncreases horsepower and torque
      $319.99 - $570.99
    • (0 reviews)
      # 13210709
      Jeep Wrangler Rubicon / Sahara / Sport / X 2004, Exhaust Header Kit by Drake Off Road®.
      $251.35 - $298.36
    • (0 reviews)
      # 136722471
      Jeep Wrangler 2004, Mild Steel Exhaust Headers by PaceSetter®. CARB Compliant: No. Header Material: Mild Steel. Collector Diameter: Two 2". Primary Tubing Diameter: 1.5". If you want to get the most out of your vehicle, this...
      Mandrel-Bent 16 Gauge Mild Steel TubingTubes Enter Collector In Proper Firing
      $201.35 - $453.44
    • (0 reviews)
      # 22197294
      Jeep Wrangler 4.0L with LEV1 ULEV Specification 2004, Direct Fit California OBDII Catalytic Converter by MagnaFlow®. Catalytic Series: OBDII. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: Yes. Converter...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $972.88
    • (0 reviews)
      # 61589105
      Jeep Wrangler 2004, Direct Fit Federal OEM Grade Catalytic Converter by MagnaFlow®. Catalytic Series: OEM Grade. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. CARB Compliant: No....
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $327.16 - $855.19
    • (0 reviews)
      # 61589104
      Jeep Wrangler 2004, Direct Fit Federal Standard Catalytic Converter by MagnaFlow®. Catalytic Series: Standard. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. CARB Compliant: No. Converter...
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $257.92 - $720.72
    • (0 reviews)
      # 100378146
      Jeep Wrangler 2004, Direct-Fit Catalytic Converter by aFe®. Replace the faulty or old rear catalytic converter with the all new aFe power direct-fit front cat replacement. This cat replacement is constructed of 100% MIG welded...
      Front catalytic converter replacements49-State federal approved
      $249.00 - $499.00
    • (0 reviews)
      # 26049871
      Jeep Wrangler 4.0L 2004, Monster™ Stainless Steel Round Muffler by Banks®, 2.5" Inlet / 2.5" Outlet Diameter. 13.65" / 9.1" / 4.31" Body Length / Width / Height. Single Center Inlet / Single Center Outlet. 19" Wide. Get increased...
      Reduces Back-pressure and Increases Exhaust Flow4” straight-through design
      $163.41
    • (1 review)
      # 18220978
      Jeep Wrangler 2004, Muffler by DynoMax®. Muffler Series: Super Turbo™. Muffler Body Shape: Oval. Muffler Configuration: Center - Offset. Get improved exhaust flow and reduced back pressure for better performance, and a mellow...
      Constructed to increase horsepower and torque thanks to improved exhaust flowAluminized steel Super Turbo muffler maintains a mellow performance tone
      $61.50 - $67.14
    • (0 reviews)
      # 18216300
      Jeep Wrangler Unlimited 2004, Muffler by DynoMax®. Muffler Series: Ultra Flo™. Muffler Body Length: 20". Muffler Body Width: 9.75". Muffler Body Height: 4.25". Muffler Overall Length: 25". Muffler Body Material: Stainless Steel....
      Unrestricted, straight-through design for a dyno-proven increase in horsepower and torqueEngineered to give your car a deep performance tone
      $178.01
    • (1 review)
      # 18216475
      Jeep Wrangler Unlimited 2004, Welded Muffler by DynoMax®. Muffler Series: Ultra Flo™. Muffler Body Length: 20". Muffler Body Width: 9.75". Muffler Body Height: 4.5". Muffler Overall Length: 25". Muffler Body Material: Stainless...
      Unrestricted, straight-through design for a dyno-proven increase in horsepower and torqueEngineered to give your car a deep performance tone
      $113.03
    • (0 reviews)
      # 81676617
      Jeep Wrangler 2004, Xlerator Performance Muffler by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on...
      Deep performance soundIncreased exhaust flow
      $29.43 - $41.08
    • (0 reviews)
      # 18215653
      Jeep Wrangler Unlimited 2004, Intermediate Pipe by DynoMax®. Material: Steel. Outlet Diameter: 2.5". Overall Length: 11". With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything...
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      $32.86
    • (0 reviews)
      # 18222121
      Jeep Wrangler 2004, Tail Pipe by DynoMax®. Material: Steel. Inlet Diameter: 2.5". Outlet Diameter: 2.5". With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete...
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      $92.76 - $105.72
    • (0 reviews)
      # 115307021
      Jeep Wrangler 2004, 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 precision...
      Direct fit replacementIncludes all applicable flanges, hangers, and sensor fittings
      $44.21 - $334.02
    • (1 review)
      # 4504620
      Jeep Wrangler Rubicon / Sahara / SE / Sport / X 2004, Aluminized Steel Muffler and Tailpipe by Omix-ADA®. Material: Aluminized Steel. Muffler Body Height: 4.5". Muffler Body Width: 10". Includes: Tailpipe. Mufflers and tailpipes...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $332.90
    • (0 reviews)
      # 16499744
      Jeep Wrangler 2004, Inline Exhaust Manifold by Dorman®. Finish: Natural. Material: Cast Iron. Flange Bolt Hole Quantity: 2. Flange Stud Hole Quantity: 0. Heat Shield Included: No. With Installation Hardware. Package Type: Box. More...
      Cast iron or stainless tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $95.95 - $180.95
    • (0 reviews)
      # 16685152
      Jeep Wrangler 2004, Exhaust Manifold 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
      $87.10 - $174.20
    • (0 reviews)
      # 17730589
      Jeep Wrangler 4.0L 2004, CalCat™ Stainless Steel Direct-Fit Catalytic Converter by Walker®. Catalytic Series: CalCat™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: Yes. Converter Configuration: Direct Fit....
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $271.71 - $452.52
    • (0 reviews)
      # 87067432
      Jeep Wrangler 2004, CalCat™ Stainless Steel Universal Fit Catalytic Converter without Air Tube by Walker®. Catalytic Series: CalCat™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: Yes. Converter...
      RIGHT loading of precious metalsThe proper catalyst material and design
      $106.29 - $159.86
    • (0 reviews)
      # 8741844
      Jeep Wrangler 4.0L 2004, Ultra™ Stainless Steel Direct-Fit Catalytic Converter by Walker®. Catalytic Series: Ultra™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Direct Fit....
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $198.51 - $295.64
    • (0 reviews)
      # 87067433
      Jeep Wrangler 2004, Ultra™ Stainless Steel Universal Fit Catalytic Converter without Air Tube by Walker®. Catalytic Series: Ultra™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration:...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $103.58 - $110.50
    • (1 review)
      # 20552110
      Jeep Wrangler 4.0L 2004, Catalytic Converter by Bosal®. Converter Configuration: Direct Fit. CARB Compliant: No. Includes: Two O2 Sensor Ports. If you’re in need of a replacement catalytic converter, you can’t do better than...
      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
      $333.98
    • (0 reviews)
      # 17569350
      Jeep Wrangler 4.0L 2004, ECO II Front Catalytic Converter by Eastern®. Catalytic Series: ECO II. Converter Configuration: Direct Fit. Catalytic Converter Format: Main Catalytic Converter. Catalytic Converter Oxygen Sensor Location:...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $301.78
    • (0 reviews)
      # 100278122
      Jeep Wrangler 4.0L 2004, ECO II Rear Catalytic Converter by Eastern®. Catalytic Series: ECO II. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. Inlet Diameter: 2.5". Outlet Diameter:...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $67.93
    • (0 reviews)
      # 86066593
      Jeep Wrangler 4.0L 2004, Catalytic Converter and Pipe Assembly by DEC®. Includes: 3 Converters, Pipe Assembly and O2 Sensor Port. CARB Compliant: No. Converter Configuration: Direct Fit. Pick out a catalytic converter by DEC and...
      Direct fitMade from a heavy duty stainless steel outer shell
      $413.00
    • (0 reviews)
      # 86066592
      Jeep Wrangler 2.4L 2004, Standard Catalytic Converter by DEC®. CARB Compliant: No. Converter Configuration: Direct Fit. 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
      $362.60
    • (0 reviews)
      # 136720787
      Jeep Wrangler 242 CID 2004, Undercar Direct Fit Catalytic Converter by PaceSetter®. CARB Compliant: No. Converter Configuration: Direct Fit. If you want to get the most out of your vehicle, this PaceSetter product is second to...
      Catalytic Converters are a direct replacement for original equipmentEngineered for durability and ease of installation
      $379.12
    • (0 reviews)
      # 83039148
      Jeep Wrangler 2004, Direct Fit Catalytic Converter by Davico®. Position: Front. CARB Compliant: No. Converter Configuration: Direct Fit. This direct-fit catalytic converter by Davico will be a great solution to replace your failed...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $323.53 - $347.86
    • (0 reviews)
      # 123384584
      Jeep Wrangler 2004, Quiet-Flow™ Aluminized Steel Oval Muffler by Walker®. Muffler Series: Quiet-Flow™. Muffler Body Height: 4.25". Muffler Body Width: 9.75". Muffler Body Length: 18". Muffler Overall Length: 22". Muffler Body...
      Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire
      $70.62
    • (0 reviews)
      # 123384586
      Jeep Wrangler 2004, SoundFX™ Aluminized Steel Oval Direct-Fit Muffler by Walker®. Muffler Series: SoundFX™. Muffler Body Height: 4.25". Muffler Body Width: 9.75". Muffler Body Length: 18". Muffler Overall Length: 22.08"....
      Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design
      $60.68
    • (0 reviews)
      # 4504629
      Jeep Wrangler Rubicon / Sahara / SE / Sport / X 2004, Muffler by Omix-ADA®. Muffler Body Height: 4.5". Muffler Body Width: 10". Continuous Roving Fiberglass Filling. Mufflers corrode from within and without, eventually developing...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $183.86
    • (0 reviews)
      # 96261204
      Jeep TJ / Wrangler 3.43" Engine Stroke 2004, Exhaust Muffler and Tailpipe by Crown®. Includes Muffler and Tailpipe. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $166.40
    • (0 reviews)
      # 123384588
      Jeep Wrangler 2004, Aluminized Steel Tail Pipe by Walker®. CARB Compliant: No. Material: Aluminized Steel. Inlet Diameter: 2.25". Outlet Diameter: 2.25". Overall Length: 41". Inlet Quantity: 1 Inlet. Outlet Quantity: 1 Outlet....
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $44.21
    • (0 reviews)
      # 41998019
      Jeep Wrangler Rubicon / Sahara / Sport / Unlimited / X With Catalytic Converter 2004, Aluminized Steel Exhaust Head Pipe with Catalytic Converters by Omix-ADA®. Location: Front. Material: Aluminized Steel. Includes: Catalytic...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $812.42
    • (0 reviews)
      # 4504694
      Jeep Wrangler Rubicon / Sahara / Sport / X 2004, Aluminized Steel Tailpipe by Omix-ADA®. Material: Aluminized Steel. Exhaust pipes corrode from within and without, eventually developing holes where exhaust escapes. These holes can...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $129.43
    • (0 reviews)
      # 96208817
      Jeep Wrangler 2004, Exhaust Pipe by Crown®. Includes 3 Catalytic Converters. 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
      $827.45
    • (0 reviews)
      # 157490552
      Jeep Wrangler 2004, Muffler Heatshield by Omix-ADA®. Is your exhaust heat shield missing or rattling? You should replace it with an Omix-ADA direct factory fit replacement unit. The heatshield has a couple of functions that you...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $6.00
    • (0 reviews)
      # 123384582
      Jeep Wrangler 2004, Rubber Insulator by Walker®. Material: Rubber. Overall Length: 2.875". Inlet Quantity: 1 Inlet. Outlet Quantity: 1 Outlet. With their extensive selection of accessories and hardware for the exhaust system,...
      Makes installation quick and easyOptimal OE-style fit and quality
      $7.78
    • (0 reviews)
      # 4504641
      Jeep Wrangler 2004, Band Clamp by Omix-ADA®. Diameter: 2.75". Major parts like mufflers and pipes may be the stars of the exhaust system, but they couldn't do their jobs without the supporting cast of clamps, gaskets, and hangers....
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $15.82
    • (0 reviews)
      # 16684963
      Jeep Wrangler 2004, Exhaust Insulator 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
      $5.72
    • (0 reviews)
      # 16684965
      Jeep Wrangler 2004, Exhaust Muffler Hanger 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...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $12.07




    Guides & Articles

    • Performance Exhaust Systems
      Here's A "Tip": Exhaust Tips Are An Easy Way To Dress Up Your Tailpipe
      Performance exhaust systems give you improvements in power output, sound levels, and appearance, all in one package. But let's face it: not everyone has the spare change to buy and bolt up one of these kits. So you soldier on with what you have. And that may be a tired-looking exhaust system that is still functional. You've spent all day washing and waxing the vehicle's paint and chrome to perfection, but no degree of elbow grease will make that tailpipe look better.
    • Performance Exhaust Systems
      Are Headers Worth The Performance Improvement?
      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 Exhaust Systems
      Are X-pipes and H-pipes Better Than Straight Pipes on Dual Exhaust Systems?
      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 Exhaust Systems
      Power, Sound, Looks | Can I Have It All With a Cat-Back Exhaust System?
      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?
    • Bed Accessories
      Pickup Truck Cab And Bed Sizes Are Important When Selecting Accessories
      Americans love to have choices. Buying a dress shirt? Decide solid or stripe, short or long sleeve, cotton or poly blend, button or spread collar, regular fit, slim fit, or big & tall. How about a meal at your favorite steak house? Will it be porterhouse, T-bone, or sirloin? Cooked rare, medium-rare, or medium? With baked, mashed, or French fried potatoes? Thirsty for a fancy cup of coffee? Let's not even get started on options that let you end up with a "grande caramel macchiato with 1% low-fat milk, 2 Splendas, and an extra espresso shot".
    • Replacement Exhaust Parts
      Direct Fit vs. Universal Mufflers
      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

    2004 Jeep Wrangler Performance Exhaust Systems Reviews

    Average rating:  4.5  4.5 - 24 reviews
    5 of 5
    Just What I Needed
    As described and at the right price. Easy, fast delivery. A great buy!
    SPosted by Susan (Smith River, CA) /
    Was this review helpful for you? Yes
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