2004 Subaru WRX Performance Exhaust Systems

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    • (0 reviews)
      # 286167502
      Universal 283 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. The new Flowmaster replacement catalytic converters...
      Exceed all federal emission standardsStainless Steel shells
      $110.23 - $160.24
    • (0 reviews)
      # 286167480
      Universal 240 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. The new Flowmaster...
      Exceed all federal emission standardsStainless Steel shells
      $141.53 - $144.93
    • (0 reviews)
      # 286167467
      Universal 200 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Without Heat Shield. The...
      Exceed all federal emission standardsStainless Steel shells
      $123.56 - $189.90
    • (0 reviews)
      # mpn886220
      Universal 260 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...
      Exceed all federal emission standardsStainless Steel shells
      $194.18
    • (1 review)
      # 286167474
      Universal 222 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. The new Flowmaster...
      Exceed all federal emission standardsStainless Steel shells
      $66.82 - $67.53
    • (0 reviews)
      # 380751304
      Universal Pre-OBDII Catalytic Converter by Flowmaster®. Emissions: CARB compliant. Converter Configuration: Universal Fit. The new Flowmaster replacement catalytic converters are made to meet and exceed all federal environmental...
      Exceed all federal emission standardsEngineered for Maximum Efficiency
      $156.20 - $170.74
    • (0 reviews)
      # 286167533
      Universal 3932 Series Pre-OBDII Catalytic Converter by Flowmaster®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Catalytic Converter Overall Length:...
      Exceed all federal emission standardsEngineered for Maximum Efficiency
      $218.19
    • (0 reviews)
      # 286167479
      Universal 225 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. The new Flowmaster...
      Exceed all federal emission standardsStainless Steel shells
      $71.98 - $73.99
    • (0 reviews)
      # mpn918043
      Universal 3938 Series Pre-OBDII Catalytic Converter by Flowmaster®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Catalytic Inlet Diameter: 2.25"....
      Exceed all federal emission standardsEngineered for Maximum Efficiency
      $198.83
    • (0 reviews)
      # 286167505
      Universal 284 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. The new Flowmaster replacement catalytic converters are made to...
      Exceed all federal emission standardsStainless Steel shells
      $133.95 - $199.22
    • (0 reviews)
      # 286167486
      Universal 250 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. The new Flowmaster replacement catalytic...
      Exceed all federal emission standardsStainless Steel shells
      $138.90 - $147.34
    • (0 reviews)
      # 380751179
      Universal Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check and...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $100.54 - $183.81
    • (0 reviews)
      # 380751246
      Universal OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check and give...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $112.79 - $263.58
    • (0 reviews)
      # 380751169
      Universal Diesel Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. If your car needs replacement,...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $307.05 - $332.39
    • (0 reviews)
      # 380751315
      Universal Pre-OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $184.75
    • (0 reviews)
      # 286167667
      Universal Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. If your car needs replacement, install one that will get you through the smog check and give you more horsepower. This universal fit converter...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $105.42 - $399.87
    • (0 reviews)
      # 380751349
      Universal Standard Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. If your car needs replacement, install one that will get you through the smog check and give you more...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $69.27 - $209.11
    • (0 reviews)
      # 286167852
      Universal High-Flow Metal Matrix Catalytic Converter by Stainless Works®. Emissions: EPA compliant. Converter Configuration: Universal Fit. This superior product is made from high-grade stainless steel to ensure excellent quality...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $204.25
    • (0 reviews)
      # 286167680
      Universal High Output Catalytic Converter by Vibrant Performance®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Vibrant Performance Catalytic Converters are made entirely of Stainless Steel and feature a...
      T304 Stainless Steel ConstructionThese Converters are covered by a 5 year / 50,000 mile warranty
      $75.76 - $109.10
    • (0 reviews)
      # 286167647
      Universal GESI® Catalytic Converter by Vibrant Performance®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Vibrant Performance and Global Emissions Systems Inc. (GESi®) have teamed up to supply a series of...
      EPA certified for use on OBD2 vehicles (1996 and newer) in jurisdictionswhere the installation of Universal Catalytic Converters is still permitted
      $335.21 - $448.35
    • (0 reviews)
      # mpn739977875
      Universal High-Flow Mini Catalytic Converter by Pypes®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Inlet Diameter: 3". Catalytic Outlet Diameter: 3". Quantity: 1 Piece. These Mini converters are 409...
      409 stainlesss steel construction resists corrosionWith slots and 02 bung
      $141.99
    • (0 reviews)
      # 350072381
      Universal Race High Flow Catalytic Converter by Kooks®. Emissions: EPA compliant. Converter Configuration: Universal Fit. This product is made of high-quality materials to serve you for years to come. Designed using...
      Handles Exhaust Temperatures up to 1500FEliminates Emissions Related "Check Engine Light" (90% Success Rate)
      $136.81 - $142.41
    • (0 reviews)
      # 350072377
      Universal Green Ultra High Catalytic Converter by Kooks®. Emissions: EPA compliant. Converter Configuration: Universal Fit. This product is made of high-quality materials to serve you for years to come. Designed using...
      Handles Exhaust Temperatures up to 1500FEliminates Emissions Related "Check Engine Light" (90% Success Rate)
      $353.24 - $379.49
    • (0 reviews)
      # 286167820
      Universal PowerCat Catalytic Converter by Dynatech®. Emissions: EPA compliant. Converter Configuration: Universal Fit. The Dynatech PowerCAT catalytic convertor uses the latest technology in catalytic convertor design. Utilizing a...
      Premium metallic substrateSuperior strength and durability
      $174.99 - $269.99
    • (0 reviews)
      # 286167896
      Universal Tru Performance™ Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Catalytic Converter Overall Length: 16". Eastern Tru...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $89.55 - $118.55
    • (0 reviews)
      # 286167817
      Universal Bullet Cat™ Performance Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Ports. Whether your catalytic converter...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $66.96 - $121.43
    • (0 reviews)
      # 286167593
      Universal Hi-Flow Bullet Style Catalytic Converter by PaceSetter®. Converter Configuration: Universal Fit. Quantity: 1. If you want to get the most out of your vehicle, this PaceSetter product is second to none. Engineered with...
      Meet EPA and C.A.R.B. requirements (OBDII exc. CA)Larger, more efficient honeycomb catalyst
      $132.43 - $164.92
    • (0 reviews)
      # 286167749
      Universal Monza MetalCore Catalytic Converter by PaceSetter®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Quantity: 1. If you want to get the most out of your vehicle, this PaceSetter product is second to...
      20% higher flow than ceramic core convertersFaster "light off" for lower emissions
      $212.03 - $225.70
    • (0 reviews)
      # 286167598
      Universal Hi-Flow OBDII Bullet Style Catalytic Converter by PaceSetter®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Quantity: 1. If you want to get the most out of your vehicle, this PaceSetter product is...
      Meet EPA and C.A.R.B. requirements (OBDII exc. CA)Larger, more efficient honeycomb catalyst
      $178.03
    • (0 reviews)
      # 286167890
      Universal Truck Diesel Catalytic Converter by Thunderbolt®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Overall Length: 12". These superior quality products are carefully engineered to...
      Designed to improve exhaust flowBuilt to enhance the performance of your vehicle
      $187.51
    • (1 review)
      # 286167599
      Universal Diesel Catalytic Converter by Thunderbolt®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Overall Length: 11". These superior quality products are carefully engineered to improve...
      Designed to improve exhaust flowBuilt to enhance the performance of your vehicle
      $80.98
    • (1 review)
      # 286167801
      Universal Catalytic Converter by Thunderbolt®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. These superior quality products are carefully engineered to improve exhaust flow...
      Designed to improve exhaust flowBuilt to enhance the performance of your vehicle
      $40.48 - $77.58
    • (0 reviews)
      # 286167603
      Universal Spun Formed Catalytic Converter by Thunderbolt®. Emissions: EPA compliant. Converter Configuration: Universal Fit. These superior quality products are carefully engineered to improve exhaust flow and boost power of your...
      Designed to improve exhaust flowBuilt to enhance the performance of your vehicle
      $45.35 - $77.74
    • (0 reviews)
      # 286167614
      Universal The Spun Solution Catalytic Converter by Thunderbolt®. Emissions: EPA compliant. Converter Configuration: Universal Fit. These superior quality products are carefully engineered to improve exhaust flow and boost power of...
      Designed to improve exhaust flowBuilt to enhance the performance of your vehicle
      $69.65 - $127.98
    • (0 reviews)
      # 285612648
      Universal 50 Series Big Block™ Aluminized Steel Oval Gray Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Body Length: 22". Muffler Overall Length: 28". Muffler Sound: Mild / Stock. Muffler Structure: Chambered. The 50...
      Mild to stock exterior exhaust toneMinimal interior resonance
      $188.36 - $202.72
    • (2 reviews)
      # 285629470
      Universal Outlaw™ Round Exhaust Muffler by Flowmaster®. Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. Outlaw mufflers are designed to be connected directly to the header collectors or can be added into...
      Designed for maximum Horsepower and TorqueMinimal decibel reduction - race application where muffler rules are in effect
      $102.48 - $141.78
    • (1 review)
      # 285612689
      Universal 60 Series Delta Flow™ Aluminized Steel Oval Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Body Length: 13.5". Muffler Overall Length: 19". Muffler Structure: Chambered. The 60 series incorporates...
      A Favorite With Import and Sport Compact OwnersBest When Matched for Four and Six Cylinder Engines
      $138.46
    • (0 reviews)
      # mpn912883
      Universal 60 Series Delta Force™ Stainless Steel Oval Race Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 4". Muffler Outlet Diameter: 4". Muffler Body Length: 22". Muffler Overall Length: 26". Muffler...
      Stainless Steel MaterialSuperior Sound Reduction
      $208.24
    • (0 reviews)
      # 285612362
      Universal 30 Series Delta Force™ Aluminized Steel Oval 3-Chamber Race Gray Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Overall Length: 22". Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The Delta...
      Durable fully welded 16 gauge aluminized steel - two chamber race mufflerGood decibel reduction over open headers
      $177.24
    • (3 reviews)
      # 285612585
      Universal 40 Series Delta Flow™ Oval Gray Exhaust Muffler by Flowmaster®. Muffler Body Length: 13". Muffler Overall Length: 19". Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The Super 40 Series Delta Flow...
      The Quietest Option in the 40 Series Two Chamber LineLess Resonance than other 40 Series Mufflers
      $91.94 - $114.08
    • (0 reviews)
      # 285620439
      Universal Scavenger Series Round Outlaw II Race Collector Bare Exhaust Muffler by Flowmaster®. Muffler Body Length: 6". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. Flowmaster's Scavenger Series Outlaw...
      Stainless Steel ConstructionDyno tuned for maximum performance
      $198.32 - $220.46
    • (3 reviews)
      # 285612653
      Universal 50 Series Delta Flow™ Oval Gray Exhaust Muffler by Flowmaster®. Muffler Body Length: 17". Muffler Overall Length: 23". Muffler Structure: Chambered. The three chamber design utilizes Flowmaster's patented Delta Flow...
      Moderate SoundMild interior resonance
      $112.96 - $127.38
    • (0 reviews)
      # 285612705
      Universal 80 Series Cross-Flow™ Oval Gray Exhaust Muffler by Flowmaster®. Muffler Outlet Diameter: 2.5". Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The 80 series is a cross-flow design for applications where...
      Aggressive Exterior Sound LevelIncreased Power and Torque Compared to Stock
      $122.98 - $148.42
    • (14 reviews)
      # 285620901
      Universal Super 44 Series Delta Flow™ Exhaust Muffler by Flowmaster®. Muffler Body Length: 13". Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. Flowmaster's Super 44 muffler uses the same Delta Flow technology...
      Deep, Aggressive, High Performance Exhaust NoteTwo-Chamber Design for Power and Torque Increase
      $88.58 - $99.70
    • (3 reviews)
      # 285621313
      Universal Super 10 Series Delta Flow™ Oval Black Exhaust Muffler by Flowmaster®. Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. Flowmaster's Super 10 Series 409S Stainless Steel, Single Chamber mufflers are...
      Super Aggressive Sound409 Stainless Steel Construction
      $77.56 - $97.56
    • (4 reviews)
      # 285612617
      Universal 40 Series Delta Force™ Oval Gray Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The Delta Force 40 series race mufflers utilize Flowmaster's patented...
      Durable fully welded 16 gauge stainless steel - two chamber race mufflerGood decibel reduction over open headers
      $85.86 - $243.68
    • (1 review)
      # mpn864551
      Universal 50 Series HD Delta Flow™ Aluminized Steel Oval Diesel Gray Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 18". Muffler Overall Length: 23"....
      Mild Interior ResonanceBuilt for Quieting Big Displacement Engines
      $171.70
    • (0 reviews)
      # 403680611
      Universal Outlaw™ Aluminized Steel Round Gray Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. Muffler...
      High Quality Material ConstructionSound level - Aggressive
      $92.21 - $97.34
    • (0 reviews)
      # mpn911540
      Universal 50 Series Delta Force™ 409 SS Oval Gray Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 11.5". Muffler Overall Length: 16". Muffler...
      Race proven patented Delta Flow technologyExcellent decibel reduction over open headers
      $130.86
    • (1 review)
      # 285629669
      Universal Pro Series™ Stainless Steel Black Exhaust Muffler by Flowmaster®. Muffler Sound: Moderate. Muffler Structure: Multi Core. Muffler Configuration: Center - Center. The 2-chamber design of this muffler, incorporating the...
      The Quietest Option in the 40 Series Two Chamber LineLess Resonance than other 40 Series Mufflers
      $155.06 - $217.10
    • (2 reviews)
      # 285620988
      Universal Super 50 Series Delta Flow™ Gray Exhaust Muffler by Flowmaster®. Muffler Body Length: 17". Muffler Structure: Chambered. The Super 50 series muffler is a larger version of Flowmaster's 50 series Delta Flow muffler....
      Mild to stock exterior exhaust toneMinimal interior resonance
      $144.00 - $150.94
    • (2 reviews)
      # 285612631
      Universal 40 Series Oval Gray Exhaust Muffler by Flowmaster®. Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for...
      Durable fully welded 409 stainless steelAggressive Sound Exterior Exhaust Tone
      $85.86 - $169.48
    • (1 review)
      # 285608663
      Universal dBX Series™ Stainless Steel Round Laminar Flow Exhaust Muffler by Flowmaster®. Muffler Body Length: 14". Muffler Sound: Moderate. Muffler Structure: Multi Core. Muffler Configuration: Center - Center. dBX series...
      Laminar Flow Muffler TechnologyCool Shell Technology for Low Exterior Heat
      $166.16
    • (0 reviews)
      # 285629657
      Universal Pro Series Outlaw™ Aluminized Steel Round Exhaust Muffler by Flowmaster®. Muffler Body Length: 9". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. To address the increasing number of tracks...
      Durable MIG Welded ConstructionDyno Tuned For Maximum Performance
      $93.94
    • (0 reviews)
      # mpn920056
      Universal 80 Series Stainless Steel Oval Gray Exhaust Muffler by Flowmaster®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 13". Muffler Overall Length: 20.5". Muffler Sound: Aggressive / Loud....
      Aggressive Exterior Sound LevelIncreased Power and Torque Compared to Stock
      $128.75
    • (0 reviews)
      # 285612693
      Universal 70 Series Delta Flow™ Gray Exhaust Muffler by Flowmaster®. Muffler Body Length: 22". Muffler Overall Length: 28". Muffler Sound: Mild / Stock. Muffler Structure: Chambered. The 70 series utilizes Flowmaster's patented...
      Mild to stock exterior exhaust toneMinimal interior resonance
      $160.61 - $165.62
    • (0 reviews)
      # 285612683
      Universal 50 Series HD Delta Flow™ Oval Gray Exhaust Muffler by Flowmaster®. Muffler Body Length: 18". Muffler Overall Length: 23". Muffler Sound: Moderate. Muffler Structure: Chambered. Flowmaster's stainless steel 50 Series HD...
      Mild Interior ResonanceBuilt for Quieting Big Displacement Engines
      $171.70 - $225.95
    • (0 reviews)
      # 285621310
      Universal Oval Exhaust Resonator by Flowmaster®. Muffler Sound: Mild / Stock. Muffler Configuration: Offset - Offset. The resonators are designed for use in conjunction with Flowmaster Mufflers for improved sound reduction and...
      Reduce Interior ResonanceWork with Flowmaster Mufflers
      $84.10 - $131.81
    • (1 review)
      # 285612351
      Universal 10 Series Delta Force™ Single Chamber Gray Exhaust Muffler by Flowmaster®. Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The 10 Series Race mufflers are a compact lightweight single chamber design that...
      Race Proven TechnologyNoticeable Sound Reduction Compared to Open Headers
      $95.24 - $155.06
    • (7 reviews)
      # 285620829
      Universal Super 40 Series Delta Flow™ Exhaust Muffler by Flowmaster®. Muffler Body Length: 13.5". Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The Super 40 features Flowmaster's Delta Flow technology. It's...
      The Original High Performance Flowmaster MufflerrAggressive Sound for the Enthusiasts Who Love Their Exhaust to be LOUD
      $99.70 - $115.60




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    Popular Products



    2004 Subaru WRX Performance Exhaust Systems Reviews

    Average rating:  4.5  4.5 - 2 reviews
    4.5 of 5
    Header
    The header is really nice, it has really nice welds on it compared to just cheap eBay header. It has a adjustable length on it to let you expand it by maybe an inch if you need just in case its a tight fit. Overall I love this header for the price and quality. Thanks CARiD!
    CPosted by Collin (Poughkeepsie, NY) / February 22, 2017
    2003 Subaru WRX
    Was this review helpful for you? Yes
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